Displaying 12 results of Avanafil Impurities Avanafil is a medication used to treat erectile dysfunction in men. Like any other drug, Avanafil may contain impurities that can affect its safety and efficacy. The impurities in Avanafil can be the result of various factors such as manufacturing process, storage conditions, and raw materials used. These impurities can cause adverse effects on the patient, hence it is essential to monitor and control the impurities present in Avanafil. Pharmaceutical companies follow strict guidelines and regulations to ensure the quality and safety of Avanafil and its impurities.