Erec pdy tile dysfu mz nction (ED) or (male) impo oe tence is a sex lzr ual dysfun eve ction characterized by the inability to develop or main gyk tain an erect re ion of the pe jft nis. There are various under rm lying causes, such as cardi xis ovascular leakage and diab gi etes, many of which are medi tf cally trea myo table.

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