The price of Avanafil is affected by many factors, there is no uniform pricing, usually the price of each box is about $30~$150. Avanafil, clinically used for the treatment of male erectile dysfunction; specifications for each tablet 50mg, 100mg, 200mg, the price of Avanafil is affected by many factors, such as manufacturers, product specifications, product packaging, dealers, distribution areas, etc., so there is no uniform pricing in the market, usually about 30 yuan to 150 yuan per box. Common adverse reactions after using Avanafil include headache, flushing, nasal congestion, back pain and muscle pain, etc. Very rarely, high blood pressure, dyspnea, nausea, constipation, rash, insomnia, allergy, etc. may occur. It is contraindicated for those who are allergic to the product, those who are taking nitrates and women. If you need to use Avanafil, you need to use it reasonably under the guidance of a physician.