Diphenhydramine shortage status
2 active shortage notices across 1 country.
Last updated 1 Aug 2026 · sourced from official medicines regulators
- Generic name (INN)
- Diphenhydramine
- Brand names
- Nadryl
- ATC code
- D04AA32
- Class
- Auto-created by FDA Drug Enforcement — Full Recall Database scraper
Where Diphenhydramine is in shortage
| Country | Severity | Notices | Since | Est. resolution | Source |
|---|---|---|---|---|---|
| United States | high | 2 | 29 May 2013 | — | FDA MedWatch |
Why Diphenhydramine is in shortage
- regulatory action — e.g. “Lack of Assurance of Sterility: FDA inspection findings resulted in concerns regarding quality control processes” (United States)