However, if, instead of producing excess hormones, the pituitary is producing less than normal levels of hormones, (partial or complete hypopituitarism), the
target hormones (e.g cortisol, testosterone, estrogen, progesterone) can be "replaced", as well as growth hormone, and, I suppose ,if necessary, AVP (a posterior pituitary hormone). You may find your answers in www .endotest.org. Hormonal imbalance can make someone feel awful....