Zhewitra 20mg pill is used to treat male erectile dysfunction. It will increase blood flow to the penis to assist guys get an erection. Its role is to help loosen up the blood vessels within the penis, permitting blood to flow into your penis when you experience sexually excited. Zhewitra 20 Mg are given orally to treating Erectile dysfunction. His monohydrochloride salt of Vardenafil is a discriminating inhibitor of Cyclic Guanosine Monophosphate (cGMP)-unique phosphodiesterase type 5 (PDE5).