Erec onx tile dysfu zf nction (ED) or (male) impo bf tence is a sex rp ual dysfun yu ction characterized by the inability to develop or main kp tain an erect dv ion of the pe uxq nis. There are various under xh lying causes, such as cardi dm ovascular leakage and diab qij etes, many of which are medi bdu cally trea muk table.

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