Description
Sildenafil citrate is a selective 5-phosphodiesterase inhibitor that enhances nitric oxide dependence and pulmonary vasodilation mediated by cyclic guanosine phosphate by inhibiting the breakdown of guanosine phosphate. In addition to direct pulmonary vasodilation, it can also prevent or reverse vascular remodeling.Sildenafil citrate tablets are oral drugs for the treatment of erectile dysfunction (ED), and can be used to treat erectile dysfunction in men.