The treatment for excessive prolactin hormone levels in the body is Cabgoline 0.25mg. Prolactin excess can make it harder for women to conceive and create symptoms like missing periods and undesired breast milk. Males who have high levels of prolactin may have symptoms including larger breasts and diminished libido or desire. Cabergoline 0.5mg  is an ergot drug that inhibits the pituitary gland's ability to release prolactin.