Losartan Potassium Tablets (Preferred Pharmaceuticals) – NMBA Impurity (2019)
Class II: A situation in which use of, or exposure to, a violative product may cause temporary or medically reversible adverse health consequences or where the probability of serious adverse health consequences is remote
Class II recall indicates potential for temporary health effects.
This AI-generated summary is provided for general informational purposes only and is derived from publicly available recall notices. It supplements but does not replace official agency classifications or safety instructions.
Check Your Product
According to the U.S. Food and Drug Administration (FDA)
Product
Losartan Potassium Tab. USP 50mg, a) 30 count bottle (NDC 68788-0048-03) and b) 90 count bottle (NDC 68788-0048-09), Rx only, Preferred Pharmaceuticals, Inc., Anaheim, CA, Mfg: Torrent Pharma Inc., Basking Ridge, NJ
Brand
Preferred Pharmaceuticals, Inc
Lot Codes / Batch Numbers
a) 30 tablets: lot A1818G batch 01181807 exp 3/2020, b) 90 tablets: lot L0517L batch 12051712 exp 3/2020
Products Sold
a) 30 tablets: lot A1818G batch 01181807 exp 3/2020; b) 90 tablets: lot L0517L batch 12051712 exp 3/2020
Preferred Pharmaceuticals, Inc is recalling Losartan Potassium Tab. USP 50mg, a) 30 count bottle (NDC 68788-0048-03) and b) 90 count bottle (NDC due to CGMP Deviations: FDA lab confirmed presence of an impurity, N-Methylnitrosobutyric acid (NMBA) in the finished product above the interim acceptable da. This is a Class I recall, indicating a high risk of serious health consequences. Based on FDA drug enforcement report.
Summary derived from FDA notice
Reason for Recall
As stated by FDA
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
Recommended Action
Per FDA guidance
Consumers should stop using the product and contact the recalling firm, their healthcare provider, or return it to the place of purchase.
Verify this information on the official source
For complete details and official instructions, check the U.S. Food and Drug Administration (FDA) directly.
View official FDA recall noticeDistribution
As reported by FDA
CA, GA, IN, VA
Page updated: Jan 7, 2026