Vega Serian is used to treat erectile dysfunction, pulmonary arterial hypertension, and impotence in men. Vega Serian belongs to a group of phosphodiesterase inhibitors, which help dilate blood vessels and increase blood flow to the penis, leading to an erection with a sexual effect. In addition,
Vega Serian inhibits the enzyme phosphodiesterase-5 in smooth muscles, which leads to relaxation and dilation of blood vessels in the lungs, and is therefore used to treat pulmonary arterial hypertension.