Avana 200 mg is a medication used to treat erectile dysfunction (ED) in men. ED is a common condition in which a man has difficulty achieving or maintaining an erection sufficient for sexual activity. Avana 200 mg contains the active ingredient avanafil, which is a type of phosphodiesterase type 5 (PDE5) inhibitor. Avanafil works by increasing blood flow to the penis, which helps to achieve and maintain an erection.