FDAClass IIApril 23, 2025

Unisom recall: Nitrosamine Impurity

Unisom, SleepMinis, Diphenhydramine HCl, Mini-Capsules, 25 mg, 60 Mini-Capsules bottles, Dist. by Chattem, Inc., P.O. Box 2219, Chattanooga, TN…

Why was Unisom recalled?

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

What should I do if I have this product?

The recall is ongoing. Follow the firm and FDA instructions.

What to do with a recalled product: refunds, receipts, safe disposal and how to report a problem.

Is my product affected?

Compare the item in your hand with every identifier below from the official FDA record. Only products that match the listed product and lot, UPC or model codes are part of this recall.

Which lot codes, UPCs or models are affected?

LOT 22L603, EXP: Oct 2025; LOT 378999, EXP: Feb 2027

Product
Unisom, SleepMinis, Diphenhydramine HCl, Mini-Capsules, 25 mg, 60 Mini-Capsules bottles, Dist. by Chattem, Inc., P.O. Box 2219, Chattanooga, TN…
Recalling firm
Chattem Inc
Quantity
129,240 bottles
Distribution
Nationwide.
Recall date
April 23, 2025
Classification
Class II
Status
Ongoing
Agency
FDA (drug)
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