 Fluoxymesterone is used for physique- and performance-enhancing purposes by competitive athletes, bodybuilders, and powerlifters.Side effects that have been associated with fluoxymesterone include acne, edema, seborrhea/seborrheic dermatitis, alopecia, hirsutism, voice deepening, virilization in general, flushing, gynecomastia, breast pain, menstrual disturbances, hypogonadism, testicular atrophy, clitoral enlargement, penile enlargement, priapism, increased aggressiveness, prostate enlargement, cardiovascular toxicity, and hepatotoxicity, among others.As an AAS, fluoxymesterone is an agonist of the androgen receptor (AR), similarly to androgens like testosterone and DHT.