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PubChem

Flurbiprofen

PubChem CID
3394
Structure
Flurbiprofen_small.png
Flurbiprofen_3D_Structure.png
Molecular Formula
Synonyms
  • flurbiprofen
  • 5104-49-4
  • Ansaid
  • Froben
  • Antadys
Molecular Weight
244.26 g/mol
Computed by PubChem 2.2 (PubChem release 2025.09.15)
Dates
  • Create:
    2005-03-25
  • Modify:
    2026-04-04
Description
Flurbiprofen can cause developmental toxicity and female reproductive toxicity according to state or federal government labeling requirements.
Flurbiprofen is a monocarboxylic acid that is a 2-fluoro-[1,1'-biphenyl-4-yl] moiety linked to C-2 of propionic acid. A non-steroidal anti-inflammatory, analgesic and antipyretic, it is used as a pre-operative anti-miotic as well as orally for arthritis or dental pain. It has a role as a non-steroidal anti-inflammatory drug, a non-narcotic analgesic, an antipyretic and an EC 1.14.99.1 (prostaglandin-endoperoxide synthase) inhibitor. It is a monocarboxylic acid and a fluorobiphenyl. It is functionally related to a propionic acid. It derives from a hydride of a biphenyl.
Flurbiprofen, a propionic acid derivative, is a nonsteroidal anti-inflammatory agent (NSAIA) with antipyretic and analgesic activity. Oral formulations of flurbiprofen may be used for the symptomatic treatment of rheumatoid arthritis, osteoarthritis and anklylosing spondylitis. Flurbiprofen may also be used topically prior to ocular surgery to prevent or reduce intraoperative miosis. Flurbiprofen is structurally and pharmacologically related to fenoprofen, ibuprofen, and ketoprofen.
See also: Oxaprozin (related); Flurbiprofen Sodium (active moiety of).

1 Structures

1.1 2D Structure

Chemical Structure Depiction
Flurbiprofen.png

1.2 3D Conformer

Interactive Chemical Structure Model
Conformer of 10

2 Names and Identifiers

2.1 Computed Descriptors

2.1.1 IUPAC Name

2-(3-fluoro-4-phenylphenyl)propanoic acid
Computed by Lexichem TK 2.9.3 (PubChem release 2025.09.15)

2.1.2 InChI

InChI=1S/C15H13FO2/c1-10(15(17)18)12-7-8-13(14(16)9-12)11-5-3-2-4-6-11/h2-10H,1H3,(H,17,18)
Computed by InChI 1.07.4 (PubChem release 2025.09.15)

2.1.3 InChIKey

SYTBZMRGLBWNTM-UHFFFAOYSA-N
Computed by InChI 1.07.4 (PubChem release 2025.09.15)

2.1.4 SMILES

CC(C1=CC(=C(C=C1)C2=CC=CC=C2)F)C(=O)O
Computed by OEChem 4.2.0 (PubChem release 2025.09.15)

2.2 Molecular Formula

C15H13FO2
Computed by PubChem 2.2 (PubChem release 2025.09.15)

2.3 Other Identifiers

2.3.1 CAS

5104-49-4
51543-38-5

2.3.2 Deprecated CAS

51543-38-5

2.3.3 European Community (EC) Number

2.3.4 UNII

2.3.5 AIDS Number

2.3.6 ChEBI ID

2.3.7 ChEMBL ID

2.3.8 DrugBank ID

2.3.9 DrugCentral

2.3.10 DSSTox Substance ID

2.3.11 HMDB ID

2.3.12 International Nonproprietary Names (INN)

FLURBIPROFEN

2.3.13 KEGG ID

2.3.14 Metabolomics Workbench ID

2.3.15 NCI Thesaurus Code

2.3.16 Nikkaji Number

2.3.17 NSC Number

2.3.18 PharmGKB ID

2.3.19 Pharos Ligand ID

2.3.20 RXCUI

2.3.21 United States Adopted Name (USAN)

FLURBIPROFEN

2.3.22 Wikidata

2.3.23 Wikipedia

2.4 Synonyms

2.4.1 MeSH Entry Terms

MeSH Entry Terms for Flurbiprofen
  • Flurbiprofen
  • Flubiprofen
  • Fluriproben
  • 2-Fluoro-alpha-methyl-(1,1'-biphenyl)-4-acetic Acid
MeSH Entry Terms for Froben SR
Froben SR
MeSH Entry Terms for BTS-18322
BTS-18322
MeSH Entry Terms for Ansaid
Ansaid
MeSH Entry Terms for Cebutid
Cebutid
MeSH Entry Terms for Froben
Froben
MeSH Entry Terms for Strefen
Strefen

2.4.2 Depositor-Supplied Synonyms

3 Chemical and Physical Properties

3.1 Computed Properties

Property Name
Molecular Weight
Property Value
244.26 g/mol
Reference
Computed by PubChem 2.2 (PubChem release 2025.09.15)
Property Name
XLogP3
Property Value
4.2
Reference
Computed by XLogP3 3.0 (PubChem release 2025.09.15)
Property Name
Hydrogen Bond Donor Count
Property Value
1
Reference
Computed by Cactvs 3.4.8.24 (PubChem release 2025.09.15)
Property Name
Hydrogen Bond Acceptor Count
Property Value
3
Reference
Computed by Cactvs 3.4.8.24 (PubChem release 2025.09.15)
Property Name
Rotatable Bond Count
Property Value
3
Reference
Computed by Cactvs 3.4.8.24 (PubChem release 2025.09.15)
Property Name
Exact Mass
Property Value
244.08995782 Da
Reference
Computed by PubChem 2.2 (PubChem release 2025.09.15)
Property Name
Monoisotopic Mass
Property Value
244.08995782 Da
Reference
Computed by PubChem 2.2 (PubChem release 2025.09.15)
Property Name
Topological Polar Surface Area
Property Value
37.3 Ų
Reference
Computed by Cactvs 3.4.8.24 (PubChem release 2025.09.15)
Property Name
Heavy Atom Count
Property Value
18
Reference
Computed by PubChem
Property Name
Formal Charge
Property Value
0
Reference
Computed by PubChem
Property Name
Complexity
Property Value
286
Reference
Computed by Cactvs 3.4.8.24 (PubChem release 2025.09.15)
Property Name
Isotope Atom Count
Property Value
0
Reference
Computed by PubChem
Property Name
Defined Atom Stereocenter Count
Property Value
0
Reference
Computed by PubChem
Property Name
Undefined Atom Stereocenter Count
Property Value
1
Reference
Computed by PubChem
Property Name
Defined Bond Stereocenter Count
Property Value
0
Reference
Computed by PubChem
Property Name
Undefined Bond Stereocenter Count
Property Value
0
Reference
Computed by PubChem
Property Name
Covalently-Bonded Unit Count
Property Value
1
Reference
Computed by PubChem
Property Name
Compound Is Canonicalized
Property Value
Yes
Reference
Computed by PubChem (release 2025.09.15)

3.2 Experimental Properties

3.2.1 Physical Description

Solid

3.2.2 Melting Point

110-111 °C
Adams, S.S., Bernard, J., Nicholson, J.S. and Blancafort, A.R.; U.S. Patent 3,755,427; Aug. 28, 1973; assigned to The Boots Company Ltd.
110 - 111 °C

3.2.3 Solubility

8 mg/L (at 22 °C)
YALKOWSKY,SH & DANNENFELSER,RM (1992)
2.49e-02 g/L

3.2.4 LogP

4.16
HANSCH,C ET AL. (1995)
3.8

3.2.5 LogS

-4.49
ADME Research, USCD

3.2.6 Dissociation Constants

Acidic pKa
4.03
Acidic pKa
4.22
Acidic pKa
4.3

3.2.7 Collision Cross Section

152.9 Ų [M+Na]+ [CCS Type: TW; Method: calibrated with polyalanine and drug standards]

143.88 Ų [M+H-H2O]+ [CCS Type: TW; Method: calibrated with polyalanine and drug standards]

155.9 Ų [M+K]+ [CCS Type: TW; Method: calibrated with polyalanine and drug standards]

Ross et al. JASMS 2022; 33; 1061-1072. DOI:10.1021/jasms.2c00111

3.3 Chemical Classes

3.3.1 Drugs

Pharmaceuticals -> Analgesics and anti-inflammatories
S57 | GREEKPHARMA | Suspect Pharmaceuticals from the National Organization of Medicine, Greece | DOI:10.5281/zenodo.3248883
Pharmaceuticals -> Musculo-skeletal system -> Anti-inflammatory and antirheumatic products
S92 | FLUOROPHARMA | List of ~340 ATC classified fluoro-pharmaceuticals | DOI:10.5281/zenodo.5979646
Pharmaceuticals
S10 | SWISSPHARMA | Pharmaceutical List with Consumption Data | DOI:10.5281/zenodo.2623484
3.3.1.1 Human Drugs
Breast Feeding; Lactation; Milk, Human; Analgesic Agents; Anti-inflammatory Agents, Nonsteroidal
FDA approved drugs -> Active ingredient
Pharmaceuticals
S72 | NTUPHTW | Pharmaceutically Active Substances from National Taiwan University | DOI:10.5281/zenodo.3955664

4 Spectral Information

4.1 1D NMR Spectra

1D NMR Spectra

4.1.1 1H NMR Spectra

1 of 2 items
Spectra ID
Instrument Type
JEOL
Frequency
400 MHz
Solvent
CDCl3
Shifts [ppm]:Intensity
7.41:235.00, 7.13:222.00, 7.13:176.00, 3.75:71.00, 7.42:242.00, 7.44:100.00, 7.37:135.00, 7.36:102.00, 7.16:349.00, 7.54:167.00, 7.34:65.00, 7.40:72.00, 7.39:409.00, 7.53:320.00, 7.33:90.00, 7.40:64.00, 7.34:63.00, 7.33:47.00, 7.37:325.00, 3.80:65.00, 1.56:1000.00, 7.50:46.00, 7.45:182.00, 7.51:363.00, 7.51:390.00, 1.54:985.00, 7.53:235.00, 7.52:82.00, 3.77:211.00, 7.41:320.00, 7.37:290.00, 7.35:250.00, 7.18:192.00, 7.44:267.00, 7.16:209.00, 7.17:264.00, 7.42:536.00, 7.41:195.00, 3.78:205.00
Thumbnail
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2 of 2 items
Source of Spectrum
Sigma-Aldrich Co. LLC.
Source of Sample
Sigma-Aldrich Co. LLC.
Catalog Number
447994
Copyright
Copyright © 2021-2025 Sigma-Aldrich Co. LLC. - Database Compilation Copyright © 2021-2025 John Wiley & Sons, Inc. All Rights Reserved.
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4.1.2 13C NMR Spectra

1 of 2 items
Spectra ID
Instrument Type
JEOL
Frequency
100.54 MHz
Solvent
CDCl3
Shifts [ppm]:Intensity
128.26:94.00, 128.46:1000.00, 44.89:271.00, 115.28:215.00, 140.90:139.00, 17.98:389.00, 115.52:193.00, 123.71:236.00, 130.91:234.00, 135.44:145.00, 158.48:87.00, 128.98:545.00, 160.96:101.00, 128.13:105.00, 140.98:139.00, 123.67:221.00, 127.72:424.00, 130.87:247.00, 180.43:167.00, 128.95:477.00
Thumbnail
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2 of 2 items
Copyright
Copyright © 2016-2025 W. Robien, Inst. of Org. Chem., Univ. of Vienna. All Rights Reserved.
Thumbnail
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4.2 Mass Spectrometry

4.2.1 GC-MS

1 of 6 items
View All
NIST Number
248229
Library
Main library
Total Peaks
122
m/z Top Peak
199
m/z 2nd Highest
244
m/z 3rd Highest
178
Thumbnail
Thumbnail
2 of 6 items
View All
NIST Number
246396
Library
Replicate library
Total Peaks
77
m/z Top Peak
199
m/z 2nd Highest
244
m/z 3rd Highest
178
Thumbnail
Thumbnail

4.2.2 MS-MS

1 of 8 items
View All
Spectra ID
Instrument Type
LC-ESI-qTof
Ionization Mode
Positive
Top 5 Peaks

199.091858 17272

178.077255 4708

179.085587 4088

184.067764 2372

200.09436 2368

Thumbnail
Thumbnail
Notes
From GNPS Library
2 of 8 items
View All
Spectra ID
Instrument Type
LC-ESI-qTof
Ionization Mode
Positive
Top 5 Peaks

199.091919 11200

179.086121 3604

178.077332 2892

184.067947 2228

200.094727 1500

Thumbnail
Thumbnail
Notes
From GNPS Library

4.2.3 LC-MS

1 of 9 items
View All
Authors
Nihon Waters K.K.
Instrument
ZQ, Waters
Instrument Type
LC-ESI-Q
MS Level
MS
Ionization Mode
NEGATIVE
Ionization
ESI
Column Name
2.1 mm id - 3. 5{mu}m XTerra C18MS
Retention Time
18.000 min
Top 5 Peaks

199 999

177 404

101 384

151 313

197 243

Thumbnail
Thumbnail
License
CC BY-NC
2 of 9 items
View All
Authors
Nihon Waters K.K.
Instrument
ZQ, Waters
Instrument Type
LC-ESI-Q
MS Level
MS
Ionization Mode
NEGATIVE
Ionization
ESI
Column Name
2.1 mm id - 3. 5{mu}m XTerra C18MS
Retention Time
18.000 min
Top 5 Peaks

199 999

197 302

200 145

177 141

179 114

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Thumbnail
License
CC BY-NC

4.3 IR Spectra

4.3.1 FTIR Spectra

Technique
Mull
Source of Spectrum
Sigma-Aldrich Co. LLC.
Source of Sample
Aldrich
Catalog Number
447994
Copyright
Copyright © 2018-2025 Sigma-Aldrich Co. LLC. - Database Compilation Copyright © 2018-2025 John Wiley & Sons, Inc. All Rights Reserved.
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4.3.2 ATR-IR Spectra

Instrument Name
Bio-Rad FTS
Technique
ATR-Neat (DuraSamplIR II)
Source of Spectrum
Forensic Spectral Research
Source of Sample
Alltech Associates, Inc., Grace Davison Discovery Sciences
Catalog Number
01674
Lot Number
519
Copyright
Copyright © 2009-2025 John Wiley & Sons, Inc. All Rights Reserved.
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4.4 Raman Spectra

Technique
FT-Raman
Source of Spectrum
Forensic Spectral Research
Source of Sample
Alltech Associates, Inc., Grace Davison Discovery Sciences
Catalog Number
01674
Lot Number
519
Copyright
Copyright © 2012-2025 John Wiley & Sons, Inc. All Rights Reserved.
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6 Chemical Vendors

86 vendors
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7 Drug and Medication Information

7.1 Drug Indication

16 items
MeSH Heading
EFO Term
Max Phase
Phase 1
MeSH Heading
EFO Term
Max Phase
Phase 1
MeSH Heading
EFO Term
Max Phase
Approved
MeSH Heading
EFO Term
Max Phase
Phase 1
MeSH Heading
EFO Term
Max Phase
Phase 1
Page of 4
Flurbiprofen tablets are indicated for the acute or long-term symptomatic treatment of rheumatoid arthritis, osteorarthritis and anklosing spondylitis. It may also be used to treat pain associated with dysmenorrhea and mild to moderate pain accompanied by inflammation (e.g. bursitis, tendonitis, soft tissue trauma). Topical ophthalmic formulations may be used pre-operatively to prevent intraoperative miosis.

7.2 LiverTox Summary

Flurbiprofen is a nonsteroidal antiinflammatory drug (NSAID) used in treatment of mild-to-moderate pain and symptoms of chronic arthritis. Flurbiprofen has been linked to a low rate of serum enzyme elevations during therapy and to rare instances of clinically apparent acute liver injury.

7.3 Drug Classes

Breast Feeding; Lactation; Milk, Human; Analgesic Agents; Anti-inflammatory Agents, Nonsteroidal
Nonsteroidal Antiinflammatory Drugs

7.4 FDA Medication Guides

Drug
Active Ingredient
Flurbiprofen
Form;Route
TABLET;ORAL
Company
PHARMACIA AND UPJOHN
Date
5/9/2016

7.5 FDA Approved Drugs

16 items
Drug
Ingredient(s)
FLURBIPROFEN
Dosage Form/Route
TABLET;ORAL
Strength
50MG
Marketing Status
Discontinued
Company
PHARMACIA AND UPJOHN
Application Number
Production Number
002
Drug
Ingredient(s)
FLURBIPROFEN
Dosage Form/Route
TABLET;ORAL
Strength
100MG
Marketing Status
Discontinued
Company
PHARMACIA AND UPJOHN
Application Number
Production Number
003
Drug
Ingredient(s)
FLURBIPROFEN
Dosage Form/Route
TABLET;ORAL
Strength
50MG
Marketing Status
Discontinued
Company
NATCO PHARMA
Application Number
Production Number
001
Drug
Ingredient(s)
FLURBIPROFEN
Dosage Form/Route
TABLET;ORAL
Strength
100MG
Marketing Status
Discontinued
Company
NATCO PHARMA
Application Number
Production Number
002
Drug
Ingredient(s)
FLURBIPROFEN
Dosage Form/Route
TABLET;ORAL
Strength
100MG
Marketing Status
Discontinued
Company
TEVA
Application Number
Production Number
001
Page of 4

7.6 FDA Orange Book

16 items
Trade Name
Application Number
Product Number
002
Applicant
PHARMACIA AND UPJOHN CO
Approval Date
Oct 31, 1988
Trade Name
Application Number
Product Number
003
Applicant
PHARMACIA AND UPJOHN CO
Approval Date
Oct 31, 1988
Trade Name
Application Number
Product Number
001
Applicant
IVAX PHARMACEUTICALS INC SUB TEVA PHARMACEUTICALS USA
Approval Date
May 31, 1995
Trade Name
Application Number
Product Number
002
Applicant
IVAX PHARMACEUTICALS INC SUB TEVA PHARMACEUTICALS USA
Approval Date
May 31, 1995
Trade Name
Application Number
Product Number
001
Applicant
NEW HEIGHTSRX LLC
Approval Date
May 31, 1995
Page of 4

7.7 FDA National Drug Code Directory

6 items
Product NDC
Start Marketing Date
1995-06-02
Dosage Form
TABLET, FILM COATED
Strength
100 mg/1
Labeler
Bryant Ranch Prepack
Product NDC
Start Marketing Date
1995-06-02
Dosage Form
TABLET, FILM COATED
Strength
100 mg/1
Labeler
Bryant Ranch Prepack
Product NDC
Start Marketing Date
2024-11-01
Dosage Form
TABLET
Strength
100 mg/1
Labeler
Genus Lifesciences
Product NDC
Start Marketing Date
1995-06-02
Dosage Form
TABLET, FILM COATED
Strength
100 mg/1
Labeler
NuCare Pharmaceuticals,Inc.
Product NDC
Start Marketing Date
2025-08-01
Dosage Form
TABLET
Strength
100 mg/1
Labeler
IPG Pharmaceuticals, Inc.
Page of 2

7.8 Drug Labels

Drug and label
14 items
  • Drug: Flurbiprofen
    Download: PDF
    Data File: XML
    Ingredient (UNII): FLURBIPROFEN (UNII:5GRO578KLP)
    Indication: Indications & Usage: For the temporary relief of Shoulder Pain, Backache, Neuralgia, Arthralgia, Sore Muscles, Sprains, Bruises, Rheumatic Pain, and Fracture Pain.
    Category: Human over the counter
    Company: HANUL TRADING CO., LTD.
    Date: 2015-10-13
  • Drug: flubiprofen
    Download: PDF
    Data File: XML
    Ingredient (UNII): FLURBIPROFEN (UNII:5GRO578KLP)
    Indication: please see attached Drug Facts
    Category: Human over the counter
    Company: Lydia Co., Ltd.
    Date: 2024-10-31
  • Drug: Flurbiprofen
    Download: PDF
    Data File: XML
    Ingredient (UNII): FLURBIPROFEN (UNII:5GRO578KLP)
    Description: Flurbiprofen tablet, USP contain flurbiprofen, which is a member of the phenylalkanoic acid derivative group of nonsteroidal anti-inflammatory drugs. Flurbiprofen tablet, USP are white, oval, film-coated tablets for oral...
    Indication: Carefully consider the potential benefits and risks of Flurbiprofen tablet, USP and other treatment options before deciding to use Flurbiprofen tablet, USP. Use the lowest effective dose for the shortest duration consistent...
    Category: Human prescription
    Company: CARACO PHARMACEUTICAL LABORATORIES, LTD.
    Date: 2007-08-09
  • Drug: FLURBIPROFEN
    Download: PDF
    Data File: XML
    Ingredient (UNII): FLURBIPROFEN (UNII:5GRO578KLP)
    Description: DESCRIPTIONFlurbiprofen is a member of the phenylalkanoic acid derivative group of non-steroidal anti-inflammatory drugs. Flurbiprofen tablets are beige, round, film-coated tablets for oral administration. Flurbiprofen is a...
    Indication: INDICATIONS AND USAGECarefully consider the potential benefits and risks of flurbiprofen tablets and other treatment options before deciding to use flurbiprofen tablets. Use the lowest effective dose for the shortest...
    Category: Human prescription
    Company: STAT RX USA LLC
    Date: 2009-05-15
  • Drug: flurbiprofen
    Download: PDF
    Data File: XML
    Ingredient (UNII): FLURBIPROFEN (UNII:5GRO578KLP)
    Category: Human prescription
    Company: Physicians Total Care, Inc.
    Date: 2012-06-12
Page of 3

7.9 Clinical Trials

7.9.1 ClinicalTrials.gov

37 items
  • Study to Evaluate the Effect of Repotrectinib on the Drug Levels of Transporter and CYP P450 Probe Substrates in Healthy Adult Participants
    Phase: Phase 1
    Status: Completed
    Date: 2026-03-27
  • Efficacy of Flurbiprofen Spray for Postoperative Sore Throat Following Double-Lumen Endobronchial Intubation
    Phase: N/A
    Status: Active, not recruiting
    Date: 2026-03-24
  • Drug-drug Interaction Study of Vorasidenib With Bupropion, Repaglinide, Flurbiprofen, Omeprazole, Midazolam, and Rosuvastatin in Healthy Adult Participants
    Phase: Phase 1
    Status: Completed
    Date: 2026-02-17
  • To Assess the Bioavailability of TK-254RX in Comparison with Oral Flurbiprofen Tablets and the Adhesion of TK-254RX in Healthy Subjects
    Phase: Phase 1
    Status: Completed
    Date: 2025-03-11
  • Effect of Over-the-counter NSAIDS on Cough Reflex Sensitivity in Patients with Upper Respiratory Tract Infections
    Phase: Early Phase 1
    Status: Completed
    Date: 2024-12-06
Page of 8

7.9.2 EU Clinical Trials Register

13 items
  • Randomized, controlled, multi-center trial to evaluate the efficacy and safety of a Flurbiprofen 40 mg cutaneous hydrogel medicated plaster vs. placebo and vs. a marketed active comparator in the local symptomatic and short-term treatment of pain in acute strains, sprains or bruises of the soft tissues following blunt trauma, e.g. sports injuries
    Phase: Phase 3
    Status: Completed
    Date: 2021-09-06
  • Randomized, controlled, double-blind, multi-center trial to evaluate the
    Phase: Phase 2
    Status: Completed
    Date: 2021-03-25
  • SUBGLOTTIC INSTILLATION OF FLURBIPROFENE TO PREVENT LARYNGEAL INFLAMMATION FOLLOWING ENDOTRACHEAL INTUBATION: PROSPECTIVE, RANDOMIZED, DOUBLE-BLIND, PLACEBO CONTROLLED PILOT STUDY
    Phase: Phase 2
    Status: Completed
    Date: 2020-11-02
  • TMP001 in relapsing-remitting multiple sclerosis: a multicentre open, baseline-controlled phase IIa clinical trial
    Phase: Phase 2
    Status: Completed
    Date: 2015-07-16
  • Analgesic profile of 3 new Ibuprofen lozenges (V0498TA01A 15mg, 25mg,
    Phase: Phase 2
    Status: Completed
    Date: 2012-02-06
Page of 3

7.9.3 NIPH Clinical Trials Search of Japan

14 items
  • Changes of thromboxane B2 following to lung collapse during thoracotomy
    Status: Complete: follow-up complete
    Date: 2018-11-20
  • Comparison of the analgesic effect of intravenous acetaminophen with that of flurbiprofen axetil after lumbar disc surgery
    Phase: Not applicable
    Status: Recruiting
    Date: 2018-04-16
  • Comparison of the effect on the postoperative pain between intravenous acetaminophen and flurbiprofen after total knee arthroplasty: a randomized controlled trial
    Status: Complete: follow-up complete
    Date: 2017-10-10
  • The research to take the oral tablet morphine sulphate for preoperative under general anesthesia: to postoprative pain and sedation
    Status: Complete: follow-up complete
    Date: 2017-07-12
  • The examination of concentration of drug in tissues from the knee osteoarthritis patients who use the Esflurbiprofen tape or Flurbiprofen
    Status: Complete: follow-up complete
    Date: 2016-11-10
Page of 3

7.10 EMA Drug Information

282 items
  • Category/Dataset: EMA Article 57
    Product/no.: Strepfen Orange Sugar Free
    Active Substance: Flurbiprofen
    Status: Product authorisation country: Greece
    Administration Route: Oromucosal Use
  • Category/Dataset: EMA Article 57
    Product/no.: Apifen Mel E Limão Sem Açúcar
    Active Substance: Flurbiprofen
    Status: Product authorisation country: Portugal
    Administration Route: Oral Use ,Oromucosal Use
  • Category/Dataset: EMA Article 57
    Product/no.: Flurbiprofen Galenika
    Active Substance: Flurbiprofen
    Status: Product authorisation country: Czech Republic
    Administration Route: Oral Use
  • Category/Dataset: EMA Article 57
    Product/no.: Flurbiprofen
    Active Substance: Flurbiprofen
    Status: Product authorisation country: Croatia; Slovenia
    Administration Route: Oral Use ,Oromucosal Use
  • Category/Dataset: EMA Article 57
    Product/no.: Oroflurb Neo
    Active Substance: Flurbiprofen
    Status: Product authorisation country: Slovakia
    Administration Route: Oropharyngeal Use
Page of 57

7.11 Drug Development Summary

Max Phase
Approved
First Approval
1986
Black Box Warning
Yes
Availability Type
Prescription Only
Route of Administration
Oral; Topical

7.12 Drug Warnings

3 items
Warning Type
Black Box Warning
Warning Class
Country
United States
Warning Type
Black Box Warning
Warning Class
Country
United States
Warning Type
Black Box Warning
Warning Class
Country
United States

7.13 Drug Targets

2 items
Structure
Structure
Gene
Protein
Open Targets Target ID
Mechanism of Action
Cyclooxygenase inhibitor
Structure
Structure
Gene
Protein
Open Targets Target ID
Mechanism of Action
Cyclooxygenase inhibitor

7.14 Drug-Drug Interactions

1,646 items
  • Structure image
    Compound CID: 190
    Interaction: The metabolism of Flurbiprofen can be decreased when combined with Adenine.
  • Structure image
    Compound CID: 199
    Interaction: The risk or severity of hyperkalemia can be increased when Flurbiprofen is combined with Agmatine.
  • Structure image
    Compound CID: 323
    Interaction: The risk or severity of bleeding and hemorrhage can be increased when Flurbiprofen is combined with Coumarin.
  • Structure image
    Compound CID: 338
    Interaction: The risk or severity of adverse effects can be increased when Flurbiprofen is combined with Salicylic acid.
  • Structure image
    Compound CID: 444
    Interaction: Flurbiprofen may decrease the excretion rate of Bupropion which could result in a higher serum level.
Page of 330

7.15 Drug-Food Interactions

  • Avoid alcohol.
  • Take with food. Food reduces irritation.

8 Pharmacology and Biochemistry

8.1 Pharmacodynamics

Flurbiprofen, a nonsteroidal anti-inflammatory agent (NSAIA) of the propionic acid class, is structually and pharmacologically related to fenoprofen, ibuprofen, and ketoprofen, and has similar pharmacological actions to other prototypica NSAIAs. Flurbiprofen exhibits antiinflammatory, analgesic, and antipyretic activities. The commercially available flurbiprofen is a racemic mixture of (+)S- and (-) R-enantiomers. The S-enantiomer appears to possess most of the anti-inflammatory, while both enantiomers may possess analgesic activity.

8.2 MeSH Pharmacological Classification

Analgesics
Compounds capable of relieving pain without the loss of CONSCIOUSNESS.
Anti-Inflammatory Agents, Non-Steroidal
Anti-inflammatory agents that are non-steroidal in nature. In addition to anti-inflammatory actions, they have analgesic, antipyretic, and platelet-inhibitory actions. They act by blocking the synthesis of prostaglandins by inhibiting cyclooxygenase, which converts arachidonic acid to cyclic endoperoxides, precursors of prostaglandins. Inhibition of prostaglandin synthesis accounts for their analgesic, antipyretic, and platelet-inhibitory actions; other mechanisms may contribute to their anti-inflammatory effects.
Cyclooxygenase Inhibitors
Compounds or agents that combine with cyclooxygenase (PROSTAGLANDIN-ENDOPEROXIDE SYNTHASES) and thereby prevent its substrate-enzyme combination with arachidonic acid and the formation of eicosanoids, prostaglandins, and thromboxanes.

8.3 FDA Pharmacological Classification

1 of 3 items
FDA UNII
5GRO578KLP
Active Moiety
FLURBIPROFEN
Pharmacological Classes
Mechanisms of Action [MoA] - Cyclooxygenase Inhibitors
Pharmacological Classes
Chemical Structure [CS] - Anti-Inflammatory Agents, Non-Steroidal
Pharmacological Classes
Established Pharmacologic Class [EPC] - Nonsteroidal Anti-inflammatory Drug
FDA Pharmacology Summary
Flurbiprofen is a Nonsteroidal Anti-inflammatory Drug. The mechanism of action of flurbiprofen is as a Cyclooxygenase Inhibitor.
2 of 3 items
Non-Proprietary Name
FLURBIPROFEN
Pharmacological Classes
Cyclooxygenase Inhibitors [MoA]; Nonsteroidal Anti-inflammatory Drug [EPC]; Anti-Inflammatory Agents, Non-Steroidal [CS]
3 of 3 items
Non-Proprietary Name
FLUBIPROFEN
Pharmacological Classes
Cyclooxygenase Inhibitors [MoA]; Anti-Inflammatory Agents, Non-Steroidal [CS]; Nonsteroidal Anti-inflammatory Drug [EPC]

8.4 ATC Code

S76 | LUXPHARMA | Pharmaceuticals Marketed in Luxembourg | Pharmaceuticals marketed in Luxembourg, as published by d'Gesondheetskeess (CNS, la caisse nationale de sante, www.cns.lu), mapped by name to structures using CompTox by R. Singh et al. (2021) DOI:10.1021/acsenvironau.1c00008. List downloaded from https://cns.public.lu/en/legislations/textes-coordonnes/liste-med-comm.html. Dataset DOI:10.5281/zenodo.4587355

S - Sensory organs

S01 - Ophthalmologicals

S01B - Antiinflammatory agents

S01BC - Antiinflammatory agents, non-steroids

S01BC04 - Flurbiprofen

M - Musculo-skeletal system

M01 - Antiinflammatory and antirheumatic products

M01A - Antiinflammatory and antirheumatic products, non-steroids

M01AE - Propionic acid derivatives

M01AE09 - Flurbiprofen

M - Musculo-skeletal system

M02 - Topical products for joint and muscular pain

M02A - Topical products for joint and muscular pain

M02AA - Antiinflammatory preparations, non-steroids for topical use

M02AA19 - Flurbiprofen

R - Respiratory system

R02 - Throat preparations

R02A - Throat preparations

R02AX - Other throat preparations

R02AX01 - Flurbiprofen

ATCvet Code

QM - Musculo-skeletal system

QM01 - Antiinflammatory and antirheumatic products

QM01A - Antiinflammatory and antirheumatic products, non-steroids

QM01AE - Propionic acid derivatives

QM01AE09 - Flurbiprofen

ATCvet Code

QS - Sensory organs

QS01 - Ophthalmologicals

QS01B - Antiinflammatory agents

QS01BC - Antiinflammatory agents, non-steroids

QS01BC04 - Flurbiprofen

ATCvet Code

QR - Respiratory system

QR02 - Throat preparations

QR02A - Throat preparations

QR02AX - Other throat preparations

QR02AX01 - Flurbiprofen

ATCvet Code

QM - Musculo-skeletal system

QM02 - Topical products for joint and muscular pain

QM02A - Topical products for joint and muscular pain

QM02AA - Antiinflammatory preparations, non-steroids for topical use

QM02AA19 - Flurbiprofen

8.5 Absorption, Distribution and Excretion

Absorption
Fluribiprofen is rapidly and almost completely absorbed following oral administration. Peak plasma concentrations are reached 0.5 - 4 hours after oral administration.
Route of Elimination
Flurbiprofen is poorly excreted into human milk. Following dosing with flurbiprofen, less than 3% of flurbiprofen is excreted unchanged in the urine, with about 70% of the dose eliminated in the urine as parent drug and metabolites. Renal elimination is a significant pathway of elimination of flurbiprofen metabolites.
Volume of Distribution

14 L [Normal Healthy Adults]

12 L [Geriatric Arthritis Patients]

10 L [End Stage Renal Disease Patients]

14 L [Alcoholic Cirrhosis Patients]

0.12 L/kg

8.6 Protein Binding

> 99% bound, primarily to albumin. Binds to a different primary binding site on albumin than anticoagulants, sulfonamides and phenytoin.

8.7 Metabolism / Metabolites

Hepatic. Cytochrome P450 2C9 plays an important role in the metabolism of flurbiprofen to its major metabolite, 4’-hydroxy-flurbiprofen. The 4’-hydroxy-flurbiprofen metabolite showed little anti-inflammatory activity in animal models of inflammation.
Hepatic. Cytochrome P450 2C9 plays an important role in the metabolism of flurbiprofen to its major metabolite, 4’-hydroxy-flurbiprofen. The 4’-hydroxy-flurbiprofen metabolite showed little anti-inflammatory activity in animal models of inflammation. Route of Elimination: Flurbiprofen is poorly excreted into human milk. Following dosing with flurbiprofen, less than 3% of flurbiprofen is excreted unchanged in the urine, with about 70% of the dose eliminated in the urine as parent drug and metabolites. Renal elimination is a significant pathway of elimination of flurbiprofen metabolites. Half Life: R-flurbiprofen, 4.7 hours; S-flurbiprofen, 5.7 hours

8.8 Biological Half-Life

R-flurbiprofen, 4.7 hours; S-flurbiprofen, 5.7 hours

8.9 Mechanism of Action

Similar to other NSAIAs, the anti-inflammatory effect of flurbiprofen occurs via reversible inhibition of cyclooxygenase (COX), the enzyme responsible for the conversion of arachidonic acid to prostaglandin G2 (PGG2) and PGG2 to prostaglandin H2 (PGH2) in the prostaglandin synthesis pathway. This effectively decreases the concentration of prostaglandins involved in inflammation, pain, swelling and fever. Flurbiprofen is a non-selective COX inhibitor and inhibits the activity of both COX-1 and -2. It is also one of the most potent NSAIAs in terms of prostaglandin inhibitory activity.

8.10 Human Metabolite Information

8.10.1 Cellular Locations

  • Cytoplasm
  • Extracellular
  • Membrane

8.10.2 Metabolite Pathways

9 Use and Manufacturing

9.1 Uses

Use (kg; approx.) in Germany (2009): >250

Consumption (g per capita; approx.) in Germany (2009): 0.00305

Calculated removal (%): 73.9

Flurbiprofen tablets are indicated for the acute or long-term symptomatic treatment of rheumatoid arthritis, osteorarthritis and anklosing spondylitis. It may also be used to treat pain associated with dysmenorrhea and mild to moderate pain accompanied by inflammation (e.g. bursitis, tendonitis, soft tissue trauma). Topical ophthalmic formulations may be used pre-operatively to prevent intraoperative miosis.

9.1.1 Use Classification

Pharmaceuticals
S72 | NTUPHTW | Pharmaceutically Active Substances from National Taiwan University | DOI:10.5281/zenodo.3955664

10 Safety and Hazards

10.1 Hazards Identification

10.1.1 GHS Classification

Pictogram(s)
Acute Toxic
Irritant
Health Hazard
Signal
Danger
GHS Hazard Statements

H301 (98.2%): Toxic if swallowed [Danger Acute toxicity, oral]

H315 (54.4%): Causes skin irritation [Warning Skin corrosion/irritation]

H319 (56.1%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]

H335 (57%): May cause respiratory irritation [Warning Specific target organ toxicity, single exposure; Respiratory tract irritation]

H361 (50%): Suspected of damaging fertility or the unborn child [Warning Reproductive toxicity]

ECHA C&L Notifications Summary

Aggregated GHS information provided per 114 reports by companies from 15 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.

Information may vary between notifications depending on impurities, additives, and other factors. The percentage value in parenthesis indicates the notified classification ratio from companies that provide hazard codes. Only hazard codes with percentage values above 10% are shown. For more detailed information, please visit ECHA C&L website.

10.1.2 Hazard Classes and Categories

Acute Tox. 3 (98.2%)

Skin Irrit. 2 (54.4%)

Eye Irrit. 2 (56.1%)

STOT SE 3 (57%)

Repr. 2 (50%)

10.2 Regulatory Information

California Safe Cosmetics Program (CSCP) Reportable Ingredient

Hazard Traits - Developmental Toxicity; Reproductive Toxicity

Authoritative List - Prop 65

Report - regardless of intended function of ingredient in the product

10.3 Other Safety Information

Chemical Assessment

IMAP assessments - [1,1'-Biphenyl]-4-acetic acid, 2-fluoro-.alpha.-methyl-: Environment tier I assessment

IMAP assessments - [1,1'-Biphenyl]-4-acetic acid, 2-fluoro-.alpha.-methyl-: Human health tier I assessment

11 Toxicity

11.1 Toxicological Information

11.1.1 Toxicity Summary

Similar to other NSAIAs, the anti-inflammatory effect of flurbiprofen occurs via reversible inhibition of cyclooxygenase (COX), the enzyme responsible for the conversion of arachidonic acid to prostaglandin G2 (PGG2) and PGG2 to prostaglandin H2 (PGH2) in the prostaglandin synthesis pathway. This effectively decreases the concentration of prostaglandins involved in inflammation, pain, swelling and fever. Flurbiprofen is a non-selective COX inhibitor and inhibits the activity of both COX-1 and -2. It is also one of the most potent NSAIAs in terms of prostaglandin inhibitory activity.

11.1.2 Hepatotoxicity

Prospective studies show that mild elevations in serum aminotransferase levels can occur in up to 15% of patients taking NSAIDs such as flurbiprofen, but the abnormalities are generally transient, mild and asymptomatic, often resolving even with drug continuation. Marked aminotransferase elevations above 3 times the upper limit of normal (ULN) occur in less than 1% of patients. Clinically apparent liver injury with jaundice from flurbiprofen is rare and only individual case descriptions have been published. The latency to onset is within 1 to 4 weeks of starting. The pattern of enzyme elevations is typically cholestatic, but hepatocellular cases have been described. Immunoallergic features are present in some cases (low grade fever, rash), but are generally not prominent, and autoantibody formation is rare. Most cases resolve promptly on stopping therapy. Flurbiprofen is not mentioned in large case series on drug induced liver injury or acute liver failure from the United States, but was listed as the second most common agent implicated in drug-induced liver injury in a case series from Turkey, one of which was fatal.

Likelihood score: C (probable rare cause of clinically apparent liver injury).

11.1.3 Drug Induced Liver Injury

Dataset
Benchmark Dataset for the Liver Toxicity Knowledge Base (LTKB)
Compound
flurbiprofen
Brand name
Ocufen®
Therapeutic category
NSAIDs
DILI severity Score
3
DILI concern
less-DILI-concern drugs
Status/label
Warnings and Precautions

11.1.4 Carcinogen Classification

Carcinogen Classification
No indication of carcinogenicity to humans (not listed by IARC).

11.1.5 Effects During Pregnancy and Lactation

◉ Summary of Use during Lactation

Because of the low levels of flurbiprofen in breastmilk and its short half-life it is unlikely to adversely affect the breastfed infant, especially if the infant is older than 2 months.

Maternal use of flurbiprofen eye drops would not be expected to cause any adverse effects in breastfed infants. To substantially diminish the amount of drug that reaches the breastmilk after using eye drops, place pressure over the tear duct by the corner of the eye for 1 minute or more, then remove the excess solution with an absorbent tissue.

◉ Effects in Breastfed Infants

A retrospective medical record review in Taiwan compared the full-term breastfed infants of women who received acetaminophen (n = 348) to those who received flurbiprofen (n = 132) for postpartum analgesia after a vaginal birth. There was no statistically significant difference in the percentage of infants with hyperbilirubinemia between those whose mothers received flurbiprofen (0.76%) and those whose mothers received acetaminophen(2.01%).

A study of full-term, vaginally delivered breastfed neonates compared those whose mothers received acetaminophen (n = 348) to those whose mothers received flurbiprofen (n = 132) for postpartum pain. Seven (2%) newborns of acetaminophen users had hyperbilirubinemia and 1 (0.76%) newborn of the flurbiprofen users had hyperbilirubinemia. The differences was not statistically significant.

◉ Effects on Lactation and Breastmilk

Relevant published information was not found as of the revision date.

11.1.6 Exposure Routes

Fluribiprofen is rapidly and almost completely absorbed following oral administration. Peak plasma concentrations are reached 0.5 - 4 hours after oral administration.

11.1.7 Signs and Symptoms

Symptoms of a flurbiprofen overdose may include nausea, vomiting, stomach pain, dizziness, drowsiness, black or bloody stools, coughing up blood, urinating less than usual or not at all, shallow breathing, fainting, or coma.

11.1.8 Acute Effects

11 items
Compound CID
Organism
rat
Test Type
LD50
Route
oral
Dose
117 mg/kg
Effect
BEHAVIORAL: ATAXIA; GASTROINTESTINAL: HYPERMOTILITY, DIARRHEA; BLOOD: NORMOCYTIC ANEMIA
Reference
Kiso to Rinsho. Clinical Report., 9(2641), 1975
Compound CID
Organism
mouse
Test Type
LD50
Route
intraperitoneal
Dose
890 mg/kg
Effect
Reference
Russian Pharmacology and Toxicology, 49(98), 1986
Compound CID
Organism
rabbit
Test Type
LD50
Route
oral
Dose
290 mg/kg
Effect
Reference
Drugs in Japan, 6(707), 1982
Compound CID
Organism
women
Test Type
TDLo
Route
oral
Dose
14 mg/kg/7D-I
Effect
SKIN AND APPENDAGES (SKIN): DERMATITIS, OTHER: AFTER SYSTEMIC EXPOSURE
Reference
Annals of Internal Medicine., 112(550), 1990
Compound CID
Organism
mouse
Test Type
LD50
Route
oral
Dose
640 mg/kg
Effect
BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY); GASTROINTESTINAL: HYPERMOTILITY, DIARRHEA; BLOOD: NORMOCYTIC ANEMIA
Reference
Kiso to Rinsho. Clinical Report., 9(2641), 1975
Page of 3

11.1.9 Toxicity Data

LD50: 10 mg/kg (Oral, Dog) (A308)

11.1.10 Treatment

Patients should be managed by symptomatic and supportive care following overdose with a nonsteroidal anti-inflammatory drug. There are no specific antidotes. Emesis and/or activated charcoal (60 to 100 g in adults, 1 to 2 g/kg in children) and/or osmotic cathartic may be indicated in patients seen within 4 hours of ingestion with symptoms, or following a large overdose (5 to 10 times the usual dose). Forced diuresis, alkalization of urine, hemodialysis, or hemoperfusion may not be useful due to high protein binding. (L1712)

12 Associated Disorders and Diseases

16 items
Source Disease
Data Source
Source Disease
Data Source
Source Disease
Data Source
Source Disease
Data Source
Source Disease
Data Source
Page of 4

13 Literature

13.1 Consolidated References

6,100 items
Page of 1,220

13.2 Springer Nature References

3 items
3,897 items
Page of 780

13.3 Thieme References

10 items
Page of 2
2 items

13.4 Wiley References

10 items
Page of 2

13.5 Chemical Co-Occurrences in Literature

Chemical
Selected evidence
1,558 articles
View All
Chemical
Selected evidence
410 articles
View All

13.6 Chemical-Gene Co-Occurrences in Literature

Gene/Protein/Enzyme
Selected evidence
63 articles
View All
Gene/Protein/Enzyme
Selected evidence
Gene/Protein/Enzyme
Selected evidence
31 articles
View All

13.7 Chemical-Disease Co-Occurrences in Literature

Disease
Selected evidence
16 articles
View All
Disease
Selected evidence
17 articles
View All
Disease
Selected evidence
7 articles
View All

13.8 Chemical-Organism Co-Occurrences in Literature

Organism
Selected evidence
153 articles
View All

14 Patents

14.1 Depositor-Supplied Patent Identifiers

103,065 items
Page of 20,613

14.2 WIPO PATENTSCOPE

14.3 Chemical Co-Occurrences in Patents

Chemical
Selected evidence
3,632 patents from 2,343 patent families
View Top 1000
Chemical
Selected evidence
3,024 patents from 1,976 patent families
View Top 1000

14.4 Chemical-Disease Co-Occurrences in Patents

Disease
Selected evidence
2,016 patents from 1,342 patent families
View Top 1000
Disease
Selected evidence
1,197 patents from 763 patent families
View Top 1000
Disease
Selected evidence
945 patents from 588 patent families
View All

14.5 Chemical-Gene Co-Occurrences in Patents

14.6 Chemical-Organism Co-Occurrences in Patents

Organism
Selected evidence
2,454 patents from 1,607 patent families
View Top 1000
Organism
Selected evidence
Organism
Selected evidence
1,033 patents from 697 patent families
View Top 1000

15 Interactions and Pathways

15.1 Protein Bound 3D Structures

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15.2 Chemical-Target Interactions

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15.3 Pathways

1 item

16 Biological Test Results

16.1 BioAssay Results

3,354 items
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17 Classification

17.1 MeSH Tree


  • MeSH Concept: M0478668
    MeSH Descriptor: D005480

  • MeSH Concept: M0478661
    MeSH Descriptor: D005480

  • MeSH Concept: M0478663
    MeSH Descriptor: D005480

  • MeSH Concept: M000639966
    MeSH Descriptor: D005480
  • An anti-inflammatory analgesic and antipyretic of the phenylalkynoic acid series. It has been shown to reduce bone resorption in periodontal disease by inhibiting CARBONIC ANHYDRASE.
    MeSH Concept: M0008647
    MeSH Descriptor: D005480
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17.2 NCI Thesaurus Tree

  • A derivative of propionic acid, and a phenylalkanoic acid derivative of non-steroidal antiinflammatory drugs (NSAIDs) with analgesic, antiinflammatory and antipyretic effects. Flurbiprofen non-selectively binds to and inhibits cyclooxygenase (COX). This results in a reduction of arachidonic acid conversion into prostaglandins that are involved in the regulation of pain, inflammation and fever. This NSAID also inhibits carbonic anhydrase, thereby reducing the production of hydrogen and bicarbonate ions. Upon ocular administration, flurbiprofen may reduce bicarbonate ion concentrations leading to a decrease in the production of aqueous humor, thereby lowering intraocular pressure.

17.3 ChEBI Ontology

  • A monocarboxylic acid that is a 2-fluoro-[1,1'-biphenyl-4-yl] moiety linked to C-2 of propionic acid. A non-steroidal anti-inflammatory, analgesic and antipyretic, it is used as a pre-operative anti-miotic as well as orally for arthritis or dental pain.

17.4 KEGG: Drug

17.5 KEGG: USP

17.6 KEGG: ATC

17.7 KEGG: Target-based Classification of Drugs

17.8 KEGG: JP15

17.9 KEGG: Risk Category of Japanese OTC Drugs

17.10 KEGG: Drug Groups

17.11 KEGG: Drug Classes

17.12 WHO ATC Classification System

17.13 FDA Pharm Classes

17.14 ChemIDplus

17.15 IUPHAR / BPS Guide to PHARMACOLOGY Target Classification

17.16 ChEMBL Target Tree

17.17 UN GHS Classification

17.18 NORMAN Suspect List Exchange Classification

17.19 CCSBase Classification

17.20 EPA DSSTox Classification

17.21 FDA Drug Type and Pharmacologic Classification

17.22 PFAS and Fluorinated Organic Compounds in PubChem

17.23 EPA Substance Registry Services Tree

17.24 MolGenie Organic Chemistry Ontology

17.25 Chemicals in PubChem from Regulatory Sources

17.26 ATCvet Classification

17.27 FDA Liver Toxicity Knowledge Base (LTKB)

17.28 Open Targets Classification

18 Information Sources

  1. Australian Industrial Chemicals Introduction Scheme (AICIS)
    [1,1'-Biphenyl]-4-acetic acid, 2-fluoro-.alpha.-methyl-
    https://services.industrialchemicals.gov.au/search-assessments/
  2. CAS Common Chemistry
    LICENSE
    The data from CAS Common Chemistry is provided under a CC-BY-NC 4.0 license, unless otherwise stated.
    https://creativecommons.org/licenses/by-nc/4.0/
  3. ChemIDplus
    ChemIDplus Chemical Information Classification
    https://pubchem.ncbi.nlm.nih.gov/source/chemidplus
  4. DrugBank
    LICENSE
    Creative Common's Attribution-NonCommercial 4.0 International License (http://creativecommons.org/licenses/by-nc/4.0/legalcode)
    https://www.drugbank.ca/legal/terms_of_use
  5. DTP/NCI
    LICENSE
    Unless otherwise indicated, all text within NCI products is free of copyright and may be reused without our permission. Credit the National Cancer Institute as the source.
    https://www.cancer.gov/policies/copyright-reuse
  6. EPA DSSTox
    CompTox Chemicals Dashboard Chemical Lists
    https://comptox.epa.gov/dashboard/chemical-lists/
  7. European Chemicals Agency (ECHA)
    LICENSE
    Use of the information, documents and data from the ECHA website is subject to the terms and conditions of this Legal Notice, and subject to other binding limitations provided for under applicable law, the information, documents and data made available on the ECHA website may be reproduced, distributed and/or used, totally or in part, for non-commercial purposes provided that ECHA is acknowledged as the source: "Source: European Chemicals Agency, http://echa.europa.eu/". Such acknowledgement must be included in each copy of the material. ECHA permits and encourages organisations and individuals to create links to the ECHA website under the following cumulative conditions: Links can only be made to webpages that provide a link to the Legal Notice page.
    https://echa.europa.eu/web/guest/legal-notice
    (±)-2-fluoro-α-methyl[1,1'-biphenyl]-4-acetic acid
    https://chem.echa.europa.eu/100.052.039
  8. FDA Global Substance Registration System (GSRS)
    LICENSE
    Unless otherwise noted, the contents of the FDA website (www.fda.gov), both text and graphics, are not copyrighted. They are in the public domain and may be republished, reprinted and otherwise used freely by anyone without the need to obtain permission from FDA. Credit to the U.S. Food and Drug Administration as the source is appreciated but not required.
    https://www.fda.gov/about-fda/about-website/website-policies#linking
  9. Human Metabolome Database (HMDB)
    LICENSE
    HMDB is offered to the public as a freely available resource. Use and re-distribution of the data, in whole or in part, for commercial purposes requires explicit permission of the authors and explicit acknowledgment of the source material (HMDB) and the original publication (see the HMDB citing page). We ask that users who download significant portions of the database cite the HMDB paper in any resulting publications.
    https://www.hmdb.ca/citing
  10. NIAID ChemDB
    LICENSE
    The NIAID ChemDB information received cannot be sold and is only to be used for research purposes.
  11. BindingDB
    LICENSE
    All data curated by BindingDB staff are provided under the Creative Commons Attribution 3.0 License (https://creativecommons.org/licenses/by/3.0/us/).
    https://www.bindingdb.org/rwd/bind/info.jsp
  12. Drug Gene Interaction database (DGIdb)
    LICENSE
    The data used in DGIdb is all open access and where possible made available as raw data dumps in the downloads section.
    http://www.dgidb.org/downloads
  13. DrugCentral
  14. IUPHAR/BPS Guide to PHARMACOLOGY
    LICENSE
    The Guide to PHARMACOLOGY database is licensed under the Open Data Commons Open Database License (ODbL) https://opendatacommons.org/licenses/odbl/. Its contents are licensed under a Creative Commons Attribution-ShareAlike 4.0 International License (http://creativecommons.org/licenses/by-sa/4.0/)
    https://www.guidetopharmacology.org/about.jsp#license
    Guide to Pharmacology Target Classification
    https://www.guidetopharmacology.org/targets.jsp
  15. Therapeutic Target Database (TTD)
  16. Toxin and Toxin Target Database (T3DB)
    LICENSE
    T3DB is offered to the public as a freely available resource. Use and re-distribution of the data, in whole or in part, for commercial purposes requires explicit permission of the authors and explicit acknowledgment of the source material (T3DB) and the original publication.
    https://t3db.ca/downloads
  17. California Office of Environmental Health Hazard Assessment (OEHHA)
  18. ChEBI
  19. FDA Pharm Classes
    LICENSE
    Unless otherwise noted, the contents of the FDA website (www.fda.gov), both text and graphics, are not copyrighted. They are in the public domain and may be republished, reprinted and otherwise used freely by anyone without the need to obtain permission from FDA. Credit to the U.S. Food and Drug Administration as the source is appreciated but not required.
    https://www.fda.gov/about-fda/about-website/website-policies#linking
  20. LiverTox
  21. NCI Thesaurus (NCIt)
    LICENSE
    Unless otherwise indicated, all text within NCI products is free of copyright and may be reused without our permission. Credit the National Cancer Institute as the source.
    https://www.cancer.gov/policies/copyright-reuse
  22. California Safe Cosmetics Program (CSCP) Product Database
  23. CCSbase
    CCSbase Classification
    https://ccsbase.net/
  24. ChEMBL
    LICENSE
    Access to the web interface of ChEMBL is made under the EBI's Terms of Use (http://www.ebi.ac.uk/Information/termsofuse.html). The ChEMBL data is made available on a Creative Commons Attribution-Share Alike 3.0 Unported License (http://creativecommons.org/licenses/by-sa/3.0/).
    http://www.ebi.ac.uk/Information/termsofuse.html
  25. Open Targets
    LICENSE
    Datasets generated by the Open Targets Platform are freely available for download.
    https://platform-docs.opentargets.org/licence
    Disease Classification
    https://www.opentargets.org/
  26. ClinicalTrials.gov
    LICENSE
    The ClinicalTrials.gov data carry an international copyright outside the United States and its Territories or Possessions. Some ClinicalTrials.gov data may be subject to the copyright of third parties; you should consult these entities for any additional terms of use.
    https://clinicaltrials.gov/ct2/about-site/terms-conditions#Use
  27. DailyMed
  28. Drugs and Lactation Database (LactMed)
  29. Drugs@FDA
    LICENSE
    Unless otherwise noted, the contents of the FDA website (www.fda.gov), both text and graphics, are not copyrighted. They are in the public domain and may be republished, reprinted and otherwise used freely by anyone without the need to obtain permission from FDA. Credit to the U.S. Food and Drug Administration as the source is appreciated but not required.
    https://www.fda.gov/about-fda/about-website/website-policies#linking
  30. FDA Orange Book
    LICENSE
    Unless otherwise noted, the contents of the FDA website (www.fda.gov), both text and graphics, are not copyrighted. They are in the public domain and may be republished, reprinted and otherwise used freely by anyone without the need to obtain permission from FDA. Credit to the U.S. Food and Drug Administration as the source is appreciated but not required.
    https://www.fda.gov/about-fda/about-website/website-policies#linking
  31. NORMAN Suspect List Exchange
    LICENSE
    Data: CC-BY 4.0; Code (hosted by ECI, LCSB): Artistic-2.0
    https://creativecommons.org/licenses/by/4.0/
    FLURBIPROFEN
    NORMAN Suspect List Exchange Classification
    https://www.norman-network.com/nds/SLE/
  32. EU Clinical Trials Register
  33. European Medicines Agency (EMA)
    LICENSE
    Information on the European Medicines Agency's (EMA) website is subject to a disclaimer and copyright and limited reproduction notices.
    https://www.ema.europa.eu/en/about-us/about-website/legal-notice
  34. FDA Liver Toxicity Knowledge Base (LTKB)
    LICENSE
    Unless otherwise noted, the contents of the FDA website (www.fda.gov), both text and graphics, are not copyrighted. They are in the public domain and may be republished, reprinted and otherwise used freely by anyone without the need to obtain permission from FDA. Credit to the U.S. Food and Drug Administration as the source is appreciated but not required.
    https://www.fda.gov/about-fda/about-website/website-policies#linking
  35. FDA Medication Guides
    LICENSE
    Unless otherwise noted, the contents of the FDA website (www.fda.gov), both text and graphics, are not copyrighted. They are in the public domain and may be republished, reprinted and otherwise used freely by anyone without the need to obtain permission from FDA. Credit to the U.S. Food and Drug Administration as the source is appreciated but not required.
    https://www.fda.gov/about-fda/about-website/website-policies#linking
  36. National Drug Code (NDC) Directory
    LICENSE
    Unless otherwise noted, the contents of the FDA website (www.fda.gov), both text and graphics, are not copyrighted. They are in the public domain and may be republished, reprinted and otherwise used freely by anyone without the need to obtain permission from FDA. Credit to the U.S. Food and Drug Administration as the source is appreciated but not required.
    https://www.fda.gov/about-fda/about-website/website-policies#linking
  37. NIST Mass Spectrometry Data Center
    LICENSE
    Data covered by the Standard Reference Data Act of 1968 as amended.
    https://www.nist.gov/srd/public-law
  38. SpectraBase
  39. Japan Chemical Substance Dictionary (Nikkaji)
  40. KEGG
    LICENSE
    Academic users may freely use the KEGG website. Non-academic use of KEGG generally requires a commercial license
    https://www.kegg.jp/kegg/legal.html
    Therapeutic category of drugs in Japan
    http://www.genome.jp/kegg-bin/get_htext?br08301.keg
    Anatomical Therapeutic Chemical (ATC) classification
    http://www.genome.jp/kegg-bin/get_htext?br08303.keg
    Target-based classification of drugs
    http://www.genome.jp/kegg-bin/get_htext?br08310.keg
    Drugs listed in the Japanese Pharmacopoeia
    http://www.genome.jp/kegg-bin/get_htext?br08311.keg
    Risk category of Japanese OTC drugs
    http://www.genome.jp/kegg-bin/get_htext?br08312.keg
  41. MassBank Europe
  42. MassBank of North America (MoNA)
    LICENSE
    The content of the MoNA database is licensed under CC BY 4.0.
    https://mona.fiehnlab.ucdavis.edu/documentation/license
  43. Metabolomics Workbench
  44. NIPH Clinical Trials Search of Japan
  45. NLM RxNorm Terminology
    LICENSE
    The RxNorm Terminology is created by the National Library of Medicine (NLM) and is in the public domain and may be republished, reprinted and otherwise used freely by anyone without the need to obtain permission from NLM. Credit to the U.S. National Library of Medicine as the source is appreciated but not required. The full RxNorm dataset requires a free license.
    https://www.nlm.nih.gov/research/umls/rxnorm/docs/termsofservice.html
  46. NMRShiftDB
  47. WHO Anatomical Therapeutic Chemical (ATC) Classification
    LICENSE
    Use of all or parts of the material requires reference to the WHO Collaborating Centre for Drug Statistics Methodology. Copying and distribution for commercial purposes is not allowed. Changing or manipulating the material is not allowed.
    https://www.whocc.no/copyright_disclaimer/
  48. WHO ATCvet - Classification of Veterinary Medicines
    LICENSE
    Use of all or parts of the material requires reference to the WHO Collaborating Centre for Drug Statistics Methodology. Copying and distribution for commercial purposes is not allowed. Changing or manipulating the material is not allowed.
    https://atcddd.fhi.no/copyright_disclaimer/
  49. PharmGKB
    LICENSE
    PharmGKB data are subject to the Creative Commons Attribution-ShareALike 4.0 license (https://creativecommons.org/licenses/by-sa/4.0/).
    https://www.pharmgkb.org/page/policies
  50. Pharos
    LICENSE
    Data accessed from Pharos and TCRD is publicly available from the primary sources listed above. Please respect their individual licenses regarding proper use and redistribution.
    https://pharos.nih.gov/about
  51. RCSB Protein Data Bank (RCSB PDB)
    LICENSE
    Data files contained in the PDB archive (ftp://ftp.wwpdb.org) are free of all copyright restrictions and made fully and freely available for both non-commercial and commercial use. Users of the data should attribute the original authors of that structural data.
    https://www.rcsb.org/pages/policies
  52. Springer Nature
  53. Thieme Chemistry
    LICENSE
    The Thieme Chemistry contribution within PubChem is provided under a CC-BY-NC-ND 4.0 license, unless otherwise stated.
    https://creativecommons.org/licenses/by-nc-nd/4.0/
  54. Wikidata
  55. Wikipedia
  56. Wiley
  57. Medical Subject Headings (MeSH)
    LICENSE
    Works produced by the U.S. government are not subject to copyright protection in the United States. Any such works found on National Library of Medicine (NLM) Web sites may be freely used or reproduced without permission in the U.S.
    https://www.nlm.nih.gov/copyright.html
    Anti-Inflammatory Agents, Non-Steroidal
    https://id.nlm.nih.gov/mesh/M0001335.html
  58. PubChem
  59. GHS Classification (UNECE)
    GHS Classification
    https://unece.org/about-ghs
  60. EPA Substance Registry Services
    EPA SRS List Classification
    https://maldi.nist.gov
  61. MolGenie
    MolGenie Organic Chemistry Ontology
    https://github.com/MolGenie/ontology/
  62. PATENTSCOPE (WIPO)
  63. NCBI
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