Erec kky tile dysfu vk nction (ED) or (male) impo iqg tence is a sex kp ual dysfun cyk ction characterized by the inability to develop or main mx tain an erect xxx ion of the pe rd nis. There are various under we lying causes, such as cardi uvw ovascular leakage and diab ksr etes, many of which are medi wd cally trea fw table.

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