Erec hym tile dysfu jt nction (ED) or (male) impo cy tence is a sex uu ual dysfun pt ction characterized by the inability to develop or main sj tain an erect gj ion of the pe fji nis. There are various under fli lying causes, such as cardi xs ovascular leakage and diab sn etes, many of which are medi imi cally trea erv table.

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