Avana 200 mg is a medication containing avanafil, primarily used to treat erectile dysfunction (ED) in men. Avanafil is a phosphodiesterase type 5 (PDE5) inhibitor, similar to sildenafil (Viagra), tadalafil (Cialis), and vardenafil (Levitra). It works by increasing blood flow to the penis during sexual stimulation, helping men achieve and maintain an erection.