Displaying 3 results of Triamterene Impurities Triamterene is a diuretic medication used to treat high blood pressure and edema. However, the drug may contain impurities that can affect its efficacy and safety. These impurities may include unknown chemicals, related substances, and by-products of the manufacturing process. Therefore, it is crucial to monitor and control the levels of Triamterene impurities to ensure the drug's quality and purity.