Erec cn tile dysfu so nction (ED) or (male) impo tz tence is a sex od ual dysfun uxb ction characterized by the inability to develop or main kl tain an erect how ion of the pe kkc nis. There are various under tbv lying causes, such as cardi pzt ovascular leakage and diab pz etes, many of which are medi kur cally trea zai table.

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