Independent register of U.S. FDA drug recalls · updated Oct 10, 2026
RxRecalls Get alerts

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

Valsartan Tablets USP

CGMP Deviations: Carcinogen impurity detected in API used to manufacture drug product.

Ongoing Nitrosamine impurity Torrent Pharma Inc. D-1136-2018
Class II · Moderate risk

Valsartan Tablets USP

CGMP Deviations: Carcinogen impurity detected in API used to manufacture drug product.

Ongoing Nitrosamine impurity Torrent Pharma Inc. D-1135-2018
Class II · Moderate risk

Valsartan Tablets USP

CGMP Deviations: Carcinogen impurity detected in API used to manufacture drug product.

Ongoing Nitrosamine impurity Torrent Pharma Inc. D-1134-2018
Class II · Moderate risk

Valsartan Tablets USP 320 mg

CGMP Deviations: Carcinogen impurity detected in API used to manufacture drug product.

Terminated Nitrosamine impurity Preferred Pharmaceuticals, Inc NDC 68788-6882-9 D-1107-2018
Class II · Moderate risk

Valsartan Tablets

CGMP Deviations: Carcinogen impurity detected in API used to manufacture drug product.

Terminated Nitrosamine impurity AVKARE Inc. NDC 50268-786-13 D-1133-2018
Class II · Moderate risk

Valsartan Tablets

CGMP Deviations: Carcinogen impurity detected in API used to manufacture drug product.

Terminated Nitrosamine impurity AVKARE Inc. NDC 50268-785-15 D-1132-2018
Class II · Moderate risk

Valsartan Tablets

CGMP Deviations: Carcinogen impurity detected in API used to manufacture drug product.

Terminated Nitrosamine impurity AVKARE Inc. NDC 50268-784-15 D-1131-2018
Class II · Moderate risk

Valsartan Tablets

CGMP Deviations: Carcinogen impurity detected in API used to manufacture drug product.

Terminated Nitrosamine impurity AVKARE Inc. NDC 50268-783-15 D-1130-2018
Class II · Moderate risk

Valsartan 320 mg Tablets

CGMP Deviations: Carcinogen impurity detected in API used to manufacture drug product.

Terminated Nitrosamine impurity RemedyRepack Inc. NDC 61786-0793-19 D-1102-2018
Class II · Moderate risk

Valsartan 80 mg Tablet

CGMP Deviations: Carcinogen impurity detected in API used to manufacture drug product.

Terminated Nitrosamine impurity RemedyRepack Inc. NDC 61786-0791-19 D-1100-2018
Class II · Moderate risk

Camber Pharmaceuticals

CGMP Deviations: Carcinogen impurity detected in API used to manufacture drug product.

Completed Nitrosamine impurity Hetero Labs Limited Unit V NDC 31722-748-90 D-1116-2018
Class II · Moderate risk

Camber Pharmaceuticals

CGMP Deviations: Carcinogen impurity detected in API used to manufacture drug product.

Completed Nitrosamine impurity Hetero Labs Limited Unit V NDC 31722-747-90 D-1115-2018
Class II · Moderate risk

Camber Pharmaceuticals

CGMP Deviations: Carcinogen impurity detected in API used to manufacture drug product.

Completed Nitrosamine impurity Hetero Labs Limited Unit V NDC 31722-746-90 D-1114-2018
Class II · Moderate risk

Camber Pharmaceuticals

CGMP Deviations: Carcinogen impurity detected in API used to manufacture drug product.

Completed Nitrosamine impurity Hetero Labs Limited Unit V NDC 31722-745-30 D-1113-2018
Class II · Moderate risk

Valsartan 320 mg tablets

CGMP Deviations: Carcinogen impurity detected in API used to manufacture drug product.

Terminated Nitrosamine impurity Bryant Ranch Prepack Inc. NDC 71335-0567-2 D-1029-2018
Class II · Moderate risk

Valsartan 320 mg tablets

CGMP Deviations: Carcinogen impurity detected in API used to manufacture drug product.

Terminated Nitrosamine impurity Bryant Ranch Prepack Inc. NDC 63629-6905-1 D-1028-2018
Class II · Moderate risk

Valsartan 80 mg tablets

CGMP Deviations: Carcinogen impurity detected in API used to manufacture drug product.

Terminated Nitrosamine impurity Bryant Ranch Prepack Inc. NDC 63629-6922-2 D-1027-2018
Class II · Moderate risk

Valsartan tablets 160 mg

Carcinogen impurity detected in API used to manufacture drug product.

Terminated Nitrosamine impurity H J Harkins Company Inc dba Pharma Pac NDC 43547-0369-09 D-1022-2018