Erec wk tile dysfu zyi nction (ED) or (male) impo gj tence is a sex yf ual dysfun xxy ction characterized by the inability to develop or main hh tain an erect qn ion of the pe txq nis. There are various under uc lying causes, such as cardi jea ovascular leakage and diab ngz etes, many of which are medi av cally trea fsa table.

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