Extra Super Avana is a medication used to treat erectile dysfunction (ED) and premature ejaculation (PE) in men. It is a combination medication containing two active ingredients: Avanafil and Dapoxetine.Avanafil is a phosphodiesterase type 5 (PDE5) inhibitor, similar to Sildenafil and Tadalafil. It works by increasing blood flow to the penis during sexual stimulation, which helps men achieve and maintain an erection. Avanafil is the active ingredient found in Stendra.