I am glad to have found this site. My partner has been on flomax for about 2 months with decrease in sex drive ,less firm erection and ,less ejaculate. of course he has the orthostatic hypotension and, more headaches than usual.. he is 62 prostate is not enlarged and he does not have cancer, just a weak flow and trouble starting. go back to DR in 2 wks will inform md of these symptoms and report back. thanks