Erec ph tile dysfu fw nction (ED) or (male) impo hq tence is a sex ir ual dysfun sr ction characterized by the inability to develop or main zq tain an erect lm ion of the pe rmd nis. There are various under sbs lying causes, such as cardi zws ovascular leakage and diab ml etes, many of which are medi mw cally trea fl table.

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