Jay W. Marks, MD
Jay W. Marks, MD, is a board-certified internist and gastroenterologist. He graduated from Yale University School of Medicine and trained in internal medicine and gastroenterology at UCLA/Cedars-Sinai Medical Center in Los Angeles.
What are systemic corticosteroids and how do they work?
Corticosteroids are steroid hormones that are either produced by the body or are man-made.
Systemic corticosteroids refer to corticosteroids that are given orally or by injection and distribute throughout the body. It does not include corticosteroids used in the eyes, ears, or nose, on the skin or that are inhaled, although small amounts of these corticosteroids can be absorbed into the body.
Naturally occurring corticosteroids, hydrocortisone and , are produced by the outer portion of the known as the (hence the name, corticosteroid). Corticosteroids are classified as either:
- glucocorticoids (anti-inflammatory) which suppress inflammation and immunity and assist in the breakdown of, , and proteins, or as
- mineralocorticoids (salt retaining) that regulate the balance of salt and water in the body.