This is a testosterone derivative

Indications: hypogonadism, male infertility due to hypogonadism.

Cautions: breast cancer, prostatic carcinoma, nephritis, pregnancy, epilepsy, migraine, renal or hepatic impairment, circulatory failure, not recommended in children.

Contra-indications: breast cancer in men, prostate cancer, history of primary liver tumours, hypercalcemia, pregnancy, breast feeding, nephrosis.

Side Effects: Headache, Depression, nausea, gynecomastia, erections may be more frequent and last longer, baldness, acne, melena, edema of the ankle.

Breast feeding: androgen deficiency, 25 mg 3-4 times daily for several months, reduced to 50-75 mg daily in divided doses for maintenance.

Male infertility, 100 mg daily for several months, use in CHILD not recommended.