Erec wtq tile dysfu ru nction (ED) or (male) impo oph tence is a sex hq ual dysfun eh ction characterized by the inability to develop or main ryz tain an erect so ion of the pe odu nis. There are various under dw lying causes, such as cardi do ovascular leakage and diab zrf etes, many of which are medi kav cally trea kb table.

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