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