Testosterone Propionate Ointment should properly be Testosterone Propionate Injection, which has the effect of supplementing androgens, and can counteract estrogen when used in high doses, and should be used in accordance with your doctor’s instructions. Testosterone Propionate Injection is an androgenic drug that promotes the development and maturation of male sex organs and secondary sexual characteristics, while it can counteract estrogen when used in high doses, thus inhibiting the growth of the endometrium and the function of the ovaries and pituitary gland. The drug is indicated for the treatment of delayed pubertal development in males, primary or secondary male hypogonadism, and the palliative treatment of advanced breast cancer in postmenopausal women. Contraindications to the use of the drug include hypersensitivity to the product, prostate cancer patients, hepatic and renal insufficiency, and pregnant women. Adverse reactions of pain, hardness, infection and urticaria may occur at the injection site after use, in addition to swelling, liver function abnormalities, jaundice, skin rash, and if used in high doses may lead to feminization of masculinization, testicular atrophy and sperm reduction in men. The specific use of drugs should be under the guidance of a specialist, not unauthorized use of drugs.