cortisone is a steroid produced by the adrenal gland - well actually that is cortisol. but its virtually the same thing. its involved in many of the body's metabolic processes. and one of them is reduce inflammation. itching and other allergy symptoms. in fact both main adrenal hormones are our first and main line of defense against serious life-threatening allergies. This why allergies can be considered a stress disease in one regard.
