Erec wpa tile dysfu hh nction (ED) or (male) impo ruy tence is a sex sm ual dysfun lh ction characterized by the inability to develop or main jm tain an erect sh ion of the pe gcc nis. There are various under wmn lying causes, such as cardi ks ovascular leakage and diab sxz etes, many of which are medi pj cally trea dvr table.

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