Displaying 17 results of Levofloxacin Impurities Levofloxacin is an antibiotic used to treat various bacterial infections. However, during the manufacturing process, impurities may be introduced which can affect the quality, safety, and efficacy of the drug. Levofloxacin impurities can include related substances, degradation products, and residual solvents. Strict quality control measures are necessary to ensure that the level of impurities in the final product is within acceptable limits.