US Drug Recall Register
Class II · Moderate risk Ongoing Initiated Mar 4, 2025 (1 years ago)

Unisom, SleepMelts, Diphenhydramine HCl tablets, 25 mg, Nighttime Sleep-Aid, 4 x 8…

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

Why it was recalled

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

What was recalled

Unisom, SleepMelts, Diphenhydramine HCl tablets, 25 mg, Nighttime Sleep-Aid, 4 x 8 blister packs per carton, Cherry flavor, Manufactured by Adare Pharmaceuticals, Inc., Dist. by Chattem, Inc., P.O. Box 2219, Chattanooga, TN 37409, UPC # 0 41167 0014 0

Recalling firm
Chattem Inc
Origin
TN, United States
Initiated by
Voluntary: Firm initiated
FDA recall number
D-0266-2025

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.

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