The recent recall of the blood pressure drug prazosin by the Food and Drug Administration has raised concerns among patients who rely on this medication for various health conditions. The recall was prompted by the discovery of elevated levels of cancer-causing chemicals called nitrosamines in the drug, specifically in the version manufactured by Teva Pharmaceuticals.
Prazosin is a widely used generic medication that has been on the market for over 25 years and is prescribed to around 510,000 patients annually for the treatment of post-traumatic stress disorder and high blood pressure. The recall affects more than 580,000 capsules of prazosin distributed by Teva Pharmaceuticals.
Nitrosamines are by-products of chemical reactions involving nitrites and amines, and they can be formed in various industrial processes as well as in certain foods like cured meats. The presence of nitrosamines in prescription drugs was first discovered in 2018 when testing revealed contamination in a blood pressure medication called valsartan.
Following this discovery, the FDA initiated a comprehensive effort to identify and address nitrosamine contamination in prescription and over-the-counter drugs. This led to the identification of contaminated drugs in various categories, including blood pressure, diabetes, heartburn, antibiotics, and smoking cessation medications.
For patients who are currently taking prazosin, it is important to check the manufacturer information on the prescription label to determine if the medication is from Teva Pharmaceuticals. If so, pharmacists can assist in determining if the specific lot of medication is part of the recall. Patients should not stop taking their medication without consulting their physician, as the risks of suddenly discontinuing the drug may outweigh the risks associated with temporary exposure to nitrosamines.
The safety and quality of generic drugs, especially those manufactured overseas, have come under scrutiny in recent years. A recent study found that generics made in India had a higher risk of serious adverse events compared to those made in the United States. This highlights the importance of transparency in the manufacturing process and the need for stricter quality control measures.
In the case of Teva Pharmaceuticals, which has manufacturing plants worldwide, including in India, the company has not disclosed the origin of the recalled prazosin capsules. Patients relying on generic medications are advised to stay informed about the quality and safety ratings of the drugs they are taking and to discuss any concerns with their healthcare provider. Ultimately, ensuring the safety and efficacy of generic medications requires collaboration between regulators, manufacturers, and healthcare providers to protect patient health. Pharmacies play a crucial role in providing medications to American consumers. However, the quality of these medications can vary, leading to potential safety risks for patients. In my view, if pharmacies had access to reliable information about the quality of medications, they could make choices that are safer for consumers.
One of the key issues facing pharmacies is the availability of generic drugs. While generic drugs are typically more affordable than brand-name medications, there have been concerns about the quality and safety of some generic drugs. In recent years, the FDA has issued recalls for certain generic drugs due to contamination and other safety issues. This highlights the need for pharmacies to have access to accurate and up-to-date information about the quality of medications they are dispensing.
By having access to reliable information, pharmacies could make more informed decisions about which medications to stock and dispense to patients. This could help prevent the distribution of potentially harmful medications and ensure that patients receive high-quality and safe treatments.
Furthermore, access to quality information could also help pharmacies identify trends in medication quality and safety. By tracking and analyzing this data, pharmacies could proactively address potential issues and work towards improving the overall quality of medications available to consumers.
Overall, ensuring that pharmacies have access to reliable information about medication quality is essential for protecting the health and safety of American consumers. By making informed choices based on accurate data, pharmacies can play a key role in promoting patient safety and well-being.
This article was written by C. Michael White, a Distinguished Professor of Pharmacy Practice at the University of Connecticut, and was originally published on The Conversation.

