Extra Super Avana is the medicine that is aimed to treat erectile dysfunction in men. It’s a combination of Avanafil and Dapoxetine. The erection is the result of muscle relaxation and increased blood flow to men’s genitals. Strong pressure provokes strong erection that can last up to 8 hours. Men also take the drug to prevent premature ejaculation. It’s one of Viagra analogs. The difference is in their main ingredients. Thanks to that a patient has an opportunity to avoid allergy by substituting one active component with the other.