US Drug Recall Register
Class II · Moderate risk Ongoing Initiated May 29, 2013 (13 years ago)

Diphenhydramine 50 mg/ml Injection

Class II — Moderate risk. May cause temporary or reversible harm; serious harm unlikely.

Why it was recalled

Lack of Assurance of Sterility: FDA inspection findings resulted in concerns regarding quality control processes

What was recalled

Diphenhydramine 50 mg/ml Injection, compounded by Olympia Pharmacy, Orlando, FL

Recalling firm
Lowlite Investments, Inc. D/B/A Olympia Pharmacy
Origin
FL, United States
Initiated by
Voluntary: Firm initiated
FDA recall number
D-723-2013

What should you do? A recall doesn't always mean your specific bottle is affected - it often applies to certain lots only. Check the lot number on your package against the FDA notice, and talk to your pharmacist before stopping any medication.

Other Diphenhydramine recalls

See all
Class II · Moderate risk Ongoing

Unisom

Reason CGMP Deviations; detection of Nitrosamine Drug Substance-Related Impurities (NDSRI), N-nitroso-desmethyl-diphenhydramine (n-dph), above the FDA Recommended Intake Limit

Chattem Inc D-0362-2025
Class II · Moderate risk Ongoing

Unisom

Reason CGMP Deviations: Nitrosamine Drug Substance Related Issue impurity above the daily acceptable intake limit defined by the Food and Drug Administration.

Chattem Inc D-0266-2025
Class III · Low risk Ongoing

Diphenhydramine HCl 50 mg

Reason Labeling: Not Elsewhere Classified: Tablets/Capsules imprinted with wrong ID.

Akron Pharma, Inc. NDC 71399-8026-02 D-0199-2025
Class III · Low risk Ongoing

Diphenhydramine HCl 25 mg

Reason Labeling: Not Elsewhere Classified: Tablets/Capsules imprinted with wrong ID.

Akron Pharma, Inc. NDC 71399-8028-2 D-0198-2025
Class III · Low risk Ongoing

Diphenhydramine HCl 25 mg

Reason Labeling: Not Elsewhere Classified: Tablets/Capsules imprinted with wrong ID.

Akron Pharma, Inc. NDC 71399-8028-1 D-0197-2025