what is acth made of
ACTH is made in the pituitary gland in response to the release of another hormone, called corticotropin-releasing hormone (CRH), by the hypothalamus. In turn, the adrenal glands then make a hormone called cortisol, which helps your body manage stress. A problem with the adrenal glands or pituitary gland. 2  A high level of ACTH and a low level of cortisol (or low ACTH and high cortisol levels) could be caused by a problem with the adrenal glands. 3  Low levels of ACTH and cortisol could be caused by a problem with the pituitary gland. 4  Overproduction of ACTH.