Erec hk tile dysfu yy nction (ED) or (male) impo uw tence is a sex on ual dysfun jd ction characterized by the inability to develop or main ppb tain an erect rza ion of the pe hp nis. There are various under oj lying causes, such as cardi rt ovascular leakage and diab vi etes, many of which are medi nb cally trea flf table.

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