Zudena is a revolutionary product for the treatment of the erectile dysfunction. Zudena 100mg is not generic of any medicine because it contains a completely new active ingredient Udenafil. The main peculiarity of Zudena is the absence of drawbacks. Its manufacturers have analyzed all medications for the treatment of the erectile dysfunction, and have managed to improve the formula of Udenafil. This way, every man can have the maximal effect Udenafil is a particular PDE5 inhibitor. PDE5 is found in the smooth muscles of the enormous bodies, in smooth muscles of the veins of internals. An uncommon consideration is paid to this protein amid the issue with the erectile capacity. A biochemical activity of nitrogen oxide is influenced amid its over the top action. The product is inactive itself and does not provide a direct action on the cavernous bodies and biochemical processes in the body. The Zudena pills are released in the fixed dose of 100 mg. It is the maximal dose of Udenafil in one pill. Increasing this dose leads to a high risk of the side effects.