Displaying 3 results of Bisoprolol Fumarate Impurities Bisoprolol Fumarate is a beta-blocker medication used to treat hypertension and heart failure. However, during the manufacturing process, impurities may be introduced into the drug. These impurities can be harmful to the patient and may cause adverse effects. Therefore, it is important to monitor and control the impurities present in Bisoprolol Fumarate to ensure its safety and efficacy. The most common impurities found in Bisoprolol Fumarate are related to the starting materials used during the synthesis process.