The US FDA is recalling irbesartan, a blood pressure medication, after finding contamination that could cause cancer.

FDA found the pills contain organic chemical N-nitrosodiethylamine (NDEA), which is classified as a probable human carcinogen. NDEA is used to make liquid rocket fuel and is a byproduct of fish processing as well as manufacturing certain pesticides. The irbesartan tablets being recalled were manufactured in doses of 75 mg, 150 mg, and 300 mg by ScieGen Pharmaceuticals Inc.