Displaying 20 results of Mupirocin Impurities Mupirocin is an antibiotic medication used to treat bacterial infections. However, it may contain impurities that can affect its potency, purity, and safety. These impurities can arise during the manufacturing process, storage, or handling of the drug. Therefore, it is essential to monitor and control the levels of impurities in mupirocin to ensure its quality and efficacy. Common impurities in mupirocin include related substances, residual solvents, and degradation products.