Adrenocorticol insufficiency is when cortisol hormone is insufficient. What are primary and secondary adrenocorticol insufficient?
Primary adrenocorticol insufficient is caused by factors (autoimmune disease, infection...) that destroy the adrenal gland.
Secondary adrenocorticol insufficient is cased by exogenous corticosteroid that decrease the work of hypothalamus, anterior pituitary gland, or pathology of those organs