Avanafil medicine helps to increase blood flow to the private parts of men during sexual activity.It helps to treat Erectile Dysfunction-ED problems.Avanafil is also available on online platforms, so we can buy avanafil online at cheapest price but before buying we need to discuss or consult with doctor.Avanafil can be taken with or without food with a glass of water.If a man has another problems like heart problem,chest pain,dizziness then you need to avoid this medicine. It has some side effects such as headache,back pain,flushing,sudden hearing loss,rashes etc. Also, It doesn't stop rare diseases such as HIV.Hepatitis B etc.