Erec beo tile dysfu ftx nction (ED) or (male) impo zr tence is a sex igl ual dysfun ean ction characterized by the inability to develop or main hvs tain an erect yv ion of the pe pyu nis. There are various under qe lying causes, such as cardi dz ovascular leakage and diab ma etes, many of which are medi emj cally trea miw table.

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