Erec fnl tile dysfu iuw nction (ED) or (male) impo tbl tence is a sex yd ual dysfun vbq ction characterized by the inability to develop or main pes tain an erect ik ion of the pe joh nis. There are various under btt lying causes, such as cardi ion ovascular leakage and diab aar etes, many of which are medi kc cally trea uia table.

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