Displaying 2 results of Erythromicin Impurities Erythromycin is a commonly prescribed antibiotic used to treat bacterial infections. However, it is important to note that there may be impurities present in the medication. These impurities can affect the efficacy and safety of the drug. Therefore, it is important to ensure that the medication is sourced from a reputable supplier and that it has undergone thorough quality control measures to ensure its purity.