Erec dha tile dysfu huk nction (ED) or (male) impo br tence is a sex lvf ual dysfun nf ction characterized by the inability to develop or main ho tain an erect sck ion of the pe iwt nis. There are various under dgr lying causes, such as cardi mxu ovascular leakage and diab wt etes, many of which are medi qkn cally trea opz table.

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