Erec gqy tile dysfu bzg nction (ED) or (male) impo pez tence is a sex ix ual dysfun ys ction characterized by the inability to develop or main ep tain an erect zxa ion of the pe xf nis. There are various under jmy lying causes, such as cardi gru ovascular leakage and diab fwl etes, many of which are medi mw cally trea esn table.

3 different tablets are currently avai wfs lable from the doc ck tor and these work when there is se dbi xual stimul xi ation. Depe xyv nding on the treatment, it will need to be taken 20 minutes to 1 hour before se ucf x and the period of time over which it works can vary between 3 hours and up to 36 hours.