A generic blood pressure drug called prazosin, made by Teva Pharmaceuticals, is being recalled by the Food and Drug Administration because it contains elevated levels of cancer-causing chemicals called nitrosamines .

The recall, which Teva announced on Oct. 7, 2025, affects more than 580,000 prazosin capsules . Prazosin is prescribed to around 510,000 patients yearly and is used to treat post-traumatic stress disorder as well as high blood pressure.

I am a pharmacologist and pharmacist who has studied nitrosamine contamination of popular blood pressure , diabetes and heartburn drugs, as well as other issues in generic drug manufacturing .

Prazosin has been available as a generic medication for more than 25 years and, like many generics that have been around that long,

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