Vigora 100 purple tablet four's belongs to the institution of drug treatments referred to as phosphodiesterase kind-five (PDE five) inhibitors frequently used to deal with erectile dysfunction (impotence) in adult men. additionally, Vigore 100 pink tablet 4's can also be used to treat pulmonary arterial high blood pressure (high blood strain within the lungs) in adults to enhance the capacity to exercising and to gradual down scientific worsening.