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oxybutynin IR ›
Regulatory · United States
Marketing authorisations
FDA — authorised 16 July 1975
Application: NDA017577
Marketing authorisation holder: JANSSEN PHARMS
Local brand name: DITROPAN
Indication: TABLET — ORAL
Status: approved
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FDA — authorised 29 November 1979
Application: NDA018211
Marketing authorisation holder: ORTHO MCNEIL JANSSEN
Local brand name: DITROPAN
Indication: SYRUP — ORAL
Status: approved
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FDA
Safety signals — FAERS
Adverse reaction reports describe suspected side effects. A report does not mean the drug caused the event — co-medications, underlying disease and coincidence all contribute.
Window: 20 April 2025 – 20 April 2026
Total reports: 10
Most-reported reactions
Acute Myocardial Infarction — 1 report (10%) Asthenia — 1 report (10%) Atrial Fibrillation — 1 report (10%) Cardiac Disorder — 1 report (10%) Drug Hypersensitivity — 1 report (10%) Fall — 1 report (10%) Fatigue — 1 report (10%) Heart Rate Decreased — 1 report (10%) Malaise — 1 report (10%) Pyrexia — 1 report (10%)
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oxybutynin IR in other countries
Same drug, different regulators. Each page below lists the local marketing authorisation, HTA position, pricing, and adverse-event data.
Frequently asked questions
Is oxybutynin IR approved in United States?
Yes. FDA authorised it on 16 July 1975; FDA authorised it on 29 November 1979; FDA has authorised it.
Who is the marketing authorisation holder for oxybutynin IR in United States?
JANSSEN PHARMS holds the US marketing authorisation.