Displaying 7 results of Sulfamethoxazole Impurities Sulfamethoxazole is a common antibiotic used to treat bacterial infections. However, during the manufacturing process, impurities may be present in the final product. These impurities can potentially affect the efficacy and safety of the medication. It is important for pharmaceutical companies to carefully monitor and control the levels of sulfamethoxazole impurities in their products to ensure their quality and safety for patients.