Independent register of U.S. FDA drug recalls · updated Oct 10, 2026
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FDA Drug Recalls

164 recalls, newest first

Class II · Moderate risk

Losartan Potassium Tablets 50 mg 1000 Tablets

CGMP Deviations: impurity for N-Nitroso-N-methyl-4-aminobutyric acid (NMBA) detected in the active pharmaceutical ingredient (API) used to manufacture finished products.

Terminated Nitrosamine impurity Macleods Pharma Usa Inc NDC 33342-045-44 D-1458-2019
Class II · Moderate risk

Losartan Potassium Tablets

CGMP Deviations: impurity for N-Nitroso-N-methyl-4-aminobutyric acid (NMBA) detected in the active pharmaceutical ingredient (API) used to manufacture finished products.

Terminated Nitrosamine impurity Macleods Pharma Usa Inc NDC 33342-045-10 D-1457-2019
Class II · Moderate risk

Losartan Potassium

CGMP Deviations: impurity for N-Nitroso-N-methyl-4-aminobutyric acid (NMBA) detected in the active pharmaceutical ingredient (API) used to manufacture finished products.

Terminated Nitrosamine impurity Golden State Medical Supply Inc. NDC 60429-318-90 D-1465-2019
Class II · Moderate risk

Losartan Potassium

CGMP Deviations: impurity for N-Nitroso-N-methyl-4-aminobutyric acid (NMBA) detected in the active pharmaceutical ingredient (API) used to manufacture finished products.

Terminated Nitrosamine impurity Golden State Medical Supply Inc. NDC 60429-317-10 D-1464-2019
Class II · Moderate risk

Losartan Potassium

CGMP Deviations: impurity for N-Nitroso-N-methyl-4-aminobutyric acid (NMBA) detected in the active pharmaceutical ingredient (API) used to manufacture finished products.

Terminated Nitrosamine impurity Golden State Medical Supply Inc. NDC 60429-317-90 D-1463-2019
Class II · Moderate risk

Losartan Potassium

CGMP Deviations: impurity for N-Nitroso-N-methyl-4-aminobutyric acid (NMBA) detected in the active pharmaceutical ingredient (API) used to manufacture finished products.

Terminated Nitrosamine impurity Golden State Medical Supply Inc. NDC 60429-317-30 D-1462-2019
Class II · Moderate risk

Losartan Potassium Tablets

CGMP Deviations: FDA lab confirmed presence of an impurity, N-Methylnitrosobutyric acid (NMBA) in the finished product above the interim acceptable daily intake level at the manufacturer

Terminated Nitrosamine impurity Heritage Pharmaceuticals, Inc. NDC 23155-645-10 D-1287-2019
Class II · Moderate risk

Losartan Potassium Tab. USP 50mg

CGMP Deviations: FDA lab confirmed presence of an impurity, N-Methylnitrosobutyric acid (NMBA) in the finished product above the interim acceptable daily intake level at the manufacturer

Terminated Nitrosamine impurity Preferred Pharmaceuticals, Inc NDC 68788-0048-03 D-1281-2019
Class II · Moderate risk

Losartan Potassium 100 mg

CGMP Deviations: FDA lab confirmed presence of an impurity, N-Methylnitrosobutyric acid (NMBA) in the finished product above the interim acceptable daily intake level per manufacturer

Terminated Nitrosamine impurity Direct Rx NDC 61919-952-30 D-0018-2021
Class II · Moderate risk

Losartan Potassium Tablets

CGMP Deviations: Detection of trace amounts of N-Methylnitrosobutyric acid (NMBA) impurity found in the Active Pharmaceutical Ingredient (API)

Ongoing Nitrosamine impurity Legacy Pharmaceutical Packaging LLC NDC 68645-494-54 D-1263-2019
Class II · Moderate risk

Losartan Potassium Tablets USP 25 mg 50 tablets

CGMP Deviations: FDA lab confirmed presence of an impurity, N-Methylnitrosobutyric acid (NMBA) in the finished product above the interim acceptable daily intake level of 0.96 parts per million.

Ongoing Nitrosamine impurity AVKARE Inc. NDC 50268-516-15 D-1250-2019
Class II · Moderate risk

Losartan Potassium Tablets USP 50 mg 50 tablets

CGMP Deviations: FDA lab confirmed presence of an impurity, N-Methylnitrosobutyric acid (NMBA) in the finished product above the interim acceptable daily intake level of 0.96 parts per million.

Ongoing Nitrosamine impurity AVKARE Inc. NDC 50268-517-15 D-1249-2019
Class II · Moderate risk

Losartan Potassium/HCTZ

CGMP Deviations: FDA lab confirmed presence of an impurity, N-Methylnitrosobutyric acid (NMBA) in the finished product above the interim acceptable daily intake level of 0.96 parts per million.

Terminated Nitrosamine impurity RemedyRepack Inc. NDC 70518-1560-00 D-1270-2019

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