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DIPHENHYDRAMINE HYDROCHLORIDE ›
Regulatory · United States
Marketing authorisations
FDA — authorised 27 November 1972
Application: ANDA080817
Marketing authorisation holder: WEST-WARD PHARMS INT
Status: approved
FDA — authorised 22 August 2018
Application: ANDA205723
Marketing authorisation holder: MICRO LABS
Indication: Labeling
Status: approved
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FDA — authorised 24 September 2020
Application: ANDA213663
Marketing authorisation holder: GRANULES
Status: approved
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FDA — authorised 20 March 2024
Application: ANDA218448
Marketing authorisation holder: GLAND
Status: approved
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FDA — authorised 24 June 2025
Application: ANDA205336
Marketing authorisation holder: AVET LIFESCIENCES
Status: approved
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FDA — authorised 22 August 2025
Application: ANDA219845
Marketing authorisation holder: MICRO LABS
Status: approved
FDA — authorised 14 November 2025
Application: ANDA205337
Marketing authorisation holder: AVET LIFESCIENCES
Status: approved
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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: 30,111
Most-reported reactions
Fatigue — 3,700 reports (12.29%) Off Label Use — 3,368 reports (11.19%) Pain — 3,288 reports (10.92%) Headache — 3,246 reports (10.78%) Drug Ineffective — 3,043 reports (10.11%) Nausea — 2,984 reports (9.91%) Infusion Related Reaction — 2,872 reports (9.54%) Arthralgia — 2,836 reports (9.42%) Nasopharyngitis — 2,400 reports (7.97%) Pneumonia — 2,374 reports (7.88%)
Source database →
DIPHENHYDRAMINE HYDROCHLORIDE 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 DIPHENHYDRAMINE HYDROCHLORIDE approved in United States?
Yes. FDA authorised it on 27 November 1972; FDA authorised it on 22 August 2018; FDA authorised it on 24 September 2020.
Who is the marketing authorisation holder for DIPHENHYDRAMINE HYDROCHLORIDE in United States?
WEST-WARD PHARMS INT holds the US marketing authorisation.