TheraRadar
Data updated: May 26, 2026

DIFLUNISAL

Cyclooxygenase Inhibitors
Pain Approved 1992-07-31

DIFLUNISAL is indicated for the treatment of Pain; Osteoarthritis; Rheumatoid Arthritis.

Source: FDA Label • Teva
7
Indications
--
Phase 3 Trials
33
Years on Market

Details

Status
Prescription
First Approved
1992-07-31
Routes
ORAL
Dosage Forms
TABLET

DIFLUNISAL Approval History

1993
1994
1995
1996
1997
1998
1999
2000
2001
2002
2003
2004
2005
2006
2007
2008
2009
2010
2011
2012
2013
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2020
2021
2022
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2024
2025
2026
Original
New Indication
New Form
Label Update
78 FDA actions from 1992 to 2024
Nov 2024 SUPPL
Label · Labeling
Oct 2024 SUPPL
Label · Labeling
Aug 2024 SUPPL
Mfg · Manufacturing (CMC)

What DIFLUNISAL Treats

3 indications

DIFLUNISAL is approved for 3 conditions since its original approval in 1992. These indications span multiple therapeutic areas including oncology, immunology, and more.

  • Pain
  • Osteoarthritis
  • Rheumatoid Arthritis
Source: FDA Label

DIFLUNISAL Boxed Warning

Cardiovascular Thrombotic Events Nonsteroidal anti-inflammatory drugs (NSAIDs) cause an increased risk of serious cardiovascular thrombotic events, including myocardial infarction and stroke, which can be fatal. This risk may occur early in treatment and may increase with duration of use (see WARNINGS and PRECAUTIONS ). Diflunisal tablets are contraindicated in the setting of coronary artery bypass graft (CABG) surgery (see CONTRAINDICATION and WARNINGS ). Gastrointestinal Risk NSAIDs cause an i...

DIFLUNISAL Competitive Set

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Filters applied: drops same-active-ingredient (505(b)(2) reformulations), route-mismatch (topical vs systemic), and cross-therapeutic-area matches in same-indication rings.

Drugs Similar to DIFLUNISAL

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UMEDICA
EC-NAPROSYN
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ATNAHS PHARMA US
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Clinical Trial Registry

2 trials
Trial Sponsor ID Phase Status Title
NCT04113668 IM011-101 Ph 1 completed The Effects Diflunisal on the Levels of BMS-986165 in Healthy Participants
NCT01676363 H11-03547 H11-03547 Ph 4 terminated Pilot Study of Diflunisal in HIV-infected Adults
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Active Pipeline

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Ongoing clinical trials by development phase

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Key Completed Trials

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Completed studies with published results, ranked by significance

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Trial Timeline

Full development history with FDA approval milestones

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Understanding FDA Approval Types
Count Type What it means
- ORIG Original approval - drug first enters market
- SUPPL - Efficacy New indication (new disease/condition approved)
- SUPPL - Labeling Label text changes (warnings, dosing updates)
- SUPPL - Manufacturing Production changes (new facility)
- SUPPL - Chemistry Formulation changes (new dosage strength)

Green lines in the timeline show ORIG and Efficacy approvals - the clinically meaningful milestones.

DIFLUNISAL FDA Label Details

Indications & Usage

DIFLUNISAL is indicated for the treatment of Pain; Osteoarthritis; Rheumatoid Arthritis.

⚠️ BOXED WARNING

Cardiovascular Thrombotic Events Nonsteroidal anti-inflammatory drugs (NSAIDs) cause an increased risk of serious cardiovascular thrombotic events, including myocardial infarction and stroke, which can be fatal. This risk may occur early in treatment and may increase with duration of use (see WARNIN...

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Data Sources

Data sourced from official FDA and NIH databases. Click links to verify on original sources.