Anaphylactic reactions. Exclude prostatic carcinoma prior to treatment. Regularly monitor prostate, Hb & haematocrit. Acquired or inherited bleeding disorders; thrombophilia; patients predisposed to oedema; HTN; preexisting sleep apnea. Pulmonary microembolism. Not for enhancing muscular development or increasing physical ability. Concomitant use w/ coumarin oral anticoagulants. Benign & malignant liver tumors. Childn & adolescents <18 yr.