Independent register of U.S. FDA drug recalls · updated Oct 10, 2026
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Nitrosamine impurities (NDMA/NDEA)

Trace nitrosamine impurities such as NDMA, NDEA or NMBA found above the acceptable daily limit. Nitrosamines are probable human carcinogens that can form during manufacturing or storage. This is the cause behind the large valsartan, losartan and ranitidine (Zantac) recalls.

568 FDA drug recalls with this cause, newest first.

Nitrosamine compounds such as NDMA, NDEA or NMBA are probable human carcinogens that can form during manufacturing or storage. Recalls here trace back to a nitrosamine found above the accepted limit - whether the report names the compound or simply calls it a 'carcinogenic impurity'. It is a newer category, driven by improved testing methods that can now detect impurities that were previously missed, and it is the chemistry behind the large valsartan, losartan and ranitidine (Zantac) recalls.

Class II · Moderate risk

Fluoxetine Tablets

CGMP Deviations: Presence of N-Nitroso Fluoxetine exceeding interim acceptable intake limit.

Completed Nitrosamine impurity Torrent Pharma Inc. D-0455-2025
Class II · Moderate risk

ChlorproMAZINE Hydrochloride Tablets

CGMP deviations: presence of N-Nitroso-Desmethyl Chlorpromazine impurity above the recommended interim limit

Ongoing Nitrosamine impurity The Harvard Drug Group LLC dba Major Pharmaceuticals and Rugby Laboratories NDC 0904-7129-61 D-0366-2025
Class II · Moderate risk

Unisom

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

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

Duloxetine Delayed-Release Capsules

CGMP Deviations: presence of Nitrosamine Drug Substance Related Impurity (NDSRI), N-nitroso-duloxetine, above the recommended interim limit.

Ongoing Nitrosamine impurity Breckenridge Pharmaceutical, Inc. NDC 51991-747-10 D-0308-2025
Class II · Moderate risk

chlorproMAZINE Hydrochloride Tablets

CGMP deviations: presence of N-Nitroso-Desmethyl Chlorpromazine impurity above the recommended interim limit.

Ongoing Nitrosamine impurity Glenmark Pharmaceuticals Inc., USA NDC 68462-864-01 D-0309-2025
Class II · Moderate risk

Duloxetine D/R

CGMP Deviations: Presence of Nitrosamine Drug Substance Related Impurity above the proposed interim limit.

Ongoing Nitrosamine impurity Direct Rx NDC 61919-0482-30 D-0568-2025
Class II · Moderate risk

Duloxetine D/R

CGMP Deviations: Presence of Nitrosamine Drug Substance Related Impurity above the proposed interim limit.

Ongoing Nitrosamine impurity Direct Rx NDC 61919-422-30 D-0567-2025
Class II · Moderate risk

Unisom

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

Ongoing Nitrosamine impurity Chattem Inc D-0266-2025
Class II · Moderate risk

Carvedilol Tablets USP 25 mg

CGMP Deviations; presence 'N-Nitroso Carvedilol I' Impurity above the recommended acceptable intake limit

Ongoing Nitrosamine impurity Glenmark Pharmaceuticals Inc., USA NDC 68462-165-05 D-0451-2025
Class II · Moderate risk

Carvedilol Tablets USP 12.5 mg

CGMP Deviations; presence 'N-Nitroso Carvedilol I' Impurity above the recommended acceptable intake limit

Ongoing Nitrosamine impurity Glenmark Pharmaceuticals Inc., USA D-0450-2025
Class II · Moderate risk

Carvedilol Tablets USP 6.25 mg

CGMP Deviations; presence 'N-Nitroso Carvedilol I' Impurity above the recommended acceptable intake limit

Ongoing Nitrosamine impurity Glenmark Pharmaceuticals Inc., USA NDC 68462-163-01 D-0449-2025
Class II · Moderate risk

Atomoxetine Capsules

CGMP Deviations: presence of N-Nitroso Atomoxetine Impurity above the FDA recommended limit.

Ongoing Nitrosamine impurity Glenmark Pharmaceuticals Inc., USA NDC 16714-761-01 D-0244-2025
Class II · Moderate risk

Atomoxetine Capsules

CGMP Deviations: presence of N-Nitroso Atomoxetine Impurity above the FDA recommended limit.

Ongoing Nitrosamine impurity Glenmark Pharmaceuticals Inc., USA NDC 16714-760-01 D-0243-2025
Class II · Moderate risk

Atomoxetine Capsules

CGMP Deviations: presence of N-Nitroso Atomoxetine Impurity above the FDA recommended limit.

Ongoing Nitrosamine impurity Glenmark Pharmaceuticals Inc., USA NDC 16714-759-01 D-0242-2025
Class II · Moderate risk

Atomoxetine Capsules

CGMP Deviations: presence of N-Nitroso Atomoxetine Impurity above the FDA recommended limit.

Ongoing Nitrosamine impurity Glenmark Pharmaceuticals Inc., USA NDC 16714-758-01 D-0241-2025