Displaying 3 results of Naftidrofuryl Impurities Naftidrofuryl is a drug used to treat peripheral vascular diseases. However, during its manufacturing process, impurities may be introduced which can affect the drug's efficacy and safety. These impurities may include related compounds, residual solvents, and other impurities. It is important to monitor and regulate these impurities to ensure the quality of the drug and the safety of patients.