Endo Usa, Inc.Usage: Aveed provides testosterone replacement therapy for adult males with primary hypogonadism (testicular failure from cryptorchidism, orchiectomy, Klinefelter's syndrome, or other causes) or hypogonadotropic hypogonadism (gonadotropin deficiency or pituitary-hypothalamic injury). Not established for age-related hypogonadism or males under 18.