🇺🇸 DIPHENHYDRAMINE HYDROCHLORIDE in United States

FDA authorised DIPHENHYDRAMINE HYDROCHLORIDE on 27 November 1972 · 30,111 US adverse-event reports

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.

Most-reported reactions

  1. Fatigue — 3,700 reports (12.29%)
  2. Off Label Use — 3,368 reports (11.19%)
  3. Pain — 3,288 reports (10.92%)
  4. Headache — 3,246 reports (10.78%)
  5. Drug Ineffective — 3,043 reports (10.11%)
  6. Nausea — 2,984 reports (9.91%)
  7. Infusion Related Reaction — 2,872 reports (9.54%)
  8. Arthralgia — 2,836 reports (9.42%)
  9. Nasopharyngitis — 2,400 reports (7.97%)
  10. 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.