Udenafil, the newest PDE5 (phosphodiesterase type 5) medication for the treatment of erectile dysfunction (ED), is the active ingredient of Zudena 100. The recently approved ED medication is called Zudena (Udenafil). Udenafil is a drug used by urologists to treat erectile dysfunction. It belongs to the class of PDE5 inhibitor pharmaceuticals, which also includes vardenafil, tadalafil, sildenafil, and avanafil, among other erectile dysfunction drugs.
