Fluid and electrolyte retention; increased vascularity of the skin; hypercalcaemia, impaired glucose tolerance; increased bone growth and skeletal weight; increase LDL cholesterol; increase haematocrit and fibrinolytic activity; headache, depression and GI bleeding. Males: spermatogenesis suppression, priapism, gynaecomastia, prostatic hyperplasia and accelerate growth of malignant prostate neoplasms. Females: suppression of lactation, ovarian activity and menstruation; virilization, clitoris hypertrophy, increased libido, oily skin, acne, hirsutism, male pattern baldness. IM: urticaria, inflammation at Inj site, postinjection induration, furunculosis. Potentially Fatal: Peliosis hepatis, liver toxicity, malignant neoplasm.