Displaying 13 results of Neomycin Impurities Neomycin is an aminoglycoside antibiotic used to treat bacterial infections. However, during the manufacturing process, impurities may be introduced, which can affect the quality and safety of the final product. Neomycin impurities can include related compounds, residual solvents, and heavy metals. It is important to monitor and control these impurities to ensure the purity and efficacy of neomycin.