Erec za tile dysfu zo nction (ED) or (male) impo ubt tence is a sex bdp ual dysfun cyl ction characterized by the inability to develop or main mwd tain an erect ug ion of the pe xp nis. There are various under uvy lying causes, such as cardi er ovascular leakage and diab tmv etes, many of which are medi nju cally trea qz table.

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