What is avanafil? Avana 100 is an oral medicine used in male patients with a specific determination of the erectile deficit. Before the physical activity, the drug is taken on-demand, with its action giving significant improvement for the period that lasts between 4 and 5 hours. Avana has avanafil citrate as its primary active ingredient. Avanafil, which has been on the market for a few years (having been established for the treatment of erectile dysfunction in 2012), is very fast in the action that occurs within 15-30 minutes of using it and has a duration 4-5 hours and possibly some side effects. Mechanism of action Avana active component, avanafil, is as powerful as other medicines in its family of PDE5 inhibitors, but it is better allowed even at higher dosages. This is confirmed by a study conducted by Italian researchers on about 2 thousand patients. The analysis, managed on the data of about 2 thousand cases enrolled in five several randomized and handled