Penegra Xpress is a trade name for the drug that contains sildenafil citrate as its main component. The drug is used for the treatment of erectile dysfunction or male impotence. Penegra Xpress is also used for other purposes such as treating pulmonary arterial hypertension and improving exercise capacity in both male and female patients.
Sildenafil citrate, which is the active ingredient of Penegra Xpress, works by relaxing the smooth muscles in the genital area. Through the relaxation of the smooth muscles, the flow of blood into the penis can be increased, and an erection can be easily achieved with the help of sexual stimulation.