Erec tpo tile dysfu tso nction (ED) or (male) impo vn tence is a sex wv ual dysfun mux ction characterized by the inability to develop or main hjq tain an erect wk ion of the pe jjc nis. There are various under yhl lying causes, such as cardi myv ovascular leakage and diab qx etes, many of which are medi ebs cally trea tr table.

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