Testosterone is a steroid hormone produced in the adrenal glands of both sexes and in the testes of males and the ovaries of females. Testosterone is largely responsible for the formation and maintenance of male sex characteristics, including both the larger bone and muscle development seen in males. The testosterone levels in humans are regulated by hormones released from the brain; in males the hypothalamus and pituitary glands in the brain increase testosterone during puberty and male characteristics develop (for example, penile enlargement, facial hair, interest in sex).
DEPO - Testosterone (testosterone cypionate injection) is an androgen indicated for replacement therapy in the male in conditions associated with symptoms of deficiency or absence of endogenous testosterone including, 1) Primary hypogonadism ( congenital or acquired ) - testicular failure due to cryptorchidism , bilateral torsion, orchitis , vanishing testis syndrome, or orchidectomy; and 2) Hypogonadotropic hypogonadism (congenital or acquired) - gonadotropin or LHRH deficiency, or pituitary -hypothalamic injury from tumors, trauma , or radiation . Common side effects of DEPO -Testosterone include: