Erec oc tile dysfu yh nction (ED) or (male) impo wr tence is a sex meg ual dysfun gsx ction characterized by the inability to develop or main zt tain an erect ldu ion of the pe xeh nis. There are various under hl lying causes, such as cardi emb ovascular leakage and diab kml etes, many of which are medi fmi cally trea zi table.

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