Avana 100 mg is a medication used primarily to treat erectile dysfunction (ED) in men. The active ingredient in Avana 100 mg is Avanafil, which is a PDE5 inhibitor, similar to Sildenafil (Viagra) and Tadalafil (Cialis). It works by increasing blood flow to the penis to help achieve and maintain an erection when sexually aroused. Avanafil is the active ingredient in Avana 100 mg. It works by inhibiting the enzyme phosphodiesterase type 5 (PDE5), which increases blood flow to the penis, facilitating an erection during sexual arousal. https://www.flatmeds.com/product/avana-100-mg/