methylTESTOSTERone /meth′iltəstos″tərōn/ , an androgen. INDICATIONS: It is prescribed in the treatment of testosterone deficiency and in the palliation of female breast cancer. CONTRAINDICATIONS: Cancer of the male breast or prostate; cardiac, renal, or hepatic disease; hypercalcemia; known or suspected pregnancy; lactation; or known hypersensitivity to this drug prohibits its use. ADVERSE EFFECTS: Among the more serious adverse effects are hypercalcemia, edema, irreversible masculinization of female patients, and jaundice.