Displaying 15 results of Eplerenone Impurities Eplerenone is a medication used to treat high blood pressure and congestive heart failure. However, the drug may contain impurities that are harmful to human health. These impurities can include byproducts from the manufacturing process, degradation products, or other contaminants. It is essential to monitor eplerenone for impurities to ensure its safety and efficacy. Quality control measures are in place to minimize the presence of impurities, but periodic testing is still necessary to maintain product safety.