: Feminizing HRT typically involves estrogen and testosterone blockers (anti-androgens). This causes testosterone levels to drop, which often leads to a decreased libido and difficulty achieving or maintaining erections.
: Viagra is a PDE5 inhibitor that increases blood flow to the erectile tissues. It does not increase testosterone levels, so it will not interfere with the feminizing effects of HRT. shemales who use viagra
: While it helps with blood flow, it may not make sex feel more pleasurable, and some users on HRT report that erections feel different than they did before transition. shemales who use viagra
: The medication only works if the person is already sexually aroused; it is not a "magic pill" that creates desire on its own. shemales who use viagra