FDA Recalls Blood Pressure Drug Over Cancer-Causing Chemical Concerns
A major recall has been announced for a widely used blood pressure medication, and it’s causing concern across the United States. The U.S. Food and Drug Administration (FDA) confirmed that more than half a million bottles of prazosin hydrochloride have been pulled from pharmacy shelves after it was found that certain batches may contain cancer-causing impurities.
The recall was initiated by Teva Pharmaceuticals USA, based in New Jersey, along with Amerisource Health Services, who distribute the drug nationwide. According to FDA reports, over 580,000 bottles of prazosin capsules—available in 1 mg, 2 mg, and 5 mg strengths—were voluntarily recalled earlier this month. The FDA classified the situation as a Class II recall , which means that the product could cause temporary or medically reversible health effects, although the risk of serious harm is considered relatively low.
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Prazosin is a medication that works by relaxing blood vessels, helping blood flow more easily and thereby lowering blood pressure. It’s also sometimes prescribed for people suffering from nightmares or sleep disturbances related to post-traumatic stress disorder (PTSD). However, what triggered this recall wasn’t an issue with how the drug works—it was what was inside some of the capsules.
The problem came to light when tests revealed “above acceptable limits” of a chemical compound known as N-nitroso prazosin impurity C . This compound falls under a group of chemicals called nitrosamines , which have been identified as potentially cancer-causing substances. These impurities can form during the manufacturing process or even while a drug is being stored under certain conditions. Because of this, the FDA regularly monitors and tests medications to ensure that contamination levels remain within safe limits.
While only specific lots of prazosin were affected, the FDA urged patients and healthcare providers to check their medication against the recalled batches. Teva Pharmaceuticals, which issued the voluntary recall on October 7 , stated that they are working closely with health authorities to ensure that all affected products are removed from circulation.
This isn’t the first time a widely used medication has been recalled over similar concerns. Just last month, another major recall involved a popular cholesterol drug, Lipitor, which failed to meet dissolution standards. These repeated issues highlight how vigilant both regulators and manufacturers must remain to keep medications safe for the public.
For now, patients taking prazosin are being advised not to panic , but to consult their doctor or pharmacist before stopping the medication. Replacement options are available, and doctors can recommend safe alternatives if needed.
It’s a reminder that even trusted medications require constant oversight—and that safety checks by agencies like the FDA play a vital role in protecting patients every day.
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