For trans women and transfeminine people who choose medical transition, one of the most common treatments is the use of hormonal medications to reduce testosterone levels and raise estrogen levels. By moving testosterone and estrogen levels into the normal female range, cross-sex hormone therapy diminishes masculine features and produces the development of feminine features.
However, one of the medications most commonly used to block testosterone for trans women in the United States may be one of the less effective medications for this purpose. A growing body of evidence suggests that spironolactone does not usefully lower testosterone into the female range for many trans women. Continue reading “Spironolactone can be ineffective as an antiandrogen for many trans women”