Zenegra-50 tablet 4's belongs to the institution of medicines known as phosphodiesterase kind-five (PDE five) inhibitors commonly used to deal with erectile dysfunction (impotence) in grownup men. additionally, Zenegra-50 tablet four's will also be used to treat pulmonary arterial high blood pressure (high blood stress inside the lungs) in adults to improve the potential to workout and to gradual down clinical worsening.