What is the X in X-mas?
hydrocortisone hy·dro·cor·ti·sone (hī'drə-kôr'tĭ-sōn', -zōn')
A steroid hormone produced by the adrenal cortex that regulates carbohydrate metabolism and maintains blood pressure. Also called cortisol.
A preparation of this hormone obtained from natural sources or produced synthetically and used to treat inflammatory conditions and adrenal failure.