Erec fu tile dysfu rht nction (ED) or (male) impo yj tence is a sex qda ual dysfun jt ction characterized by the inability to develop or main fq tain an erect ak ion of the pe qgk nis. There are various under mbs lying causes, such as cardi akw ovascular leakage and diab qek etes, many of which are medi pf cally trea qev table.

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