Erec qk tile dysfu yli nction (ED) or (male) impo ag tence is a sex aw ual dysfun cnr ction characterized by the inability to develop or main vzl tain an erect pf ion of the pe tn nis. There are various under udv lying causes, such as cardi jq ovascular leakage and diab dv etes, many of which are medi rih cally trea xiy table.

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