Dexamethasone is basically a steroid that is used to treat different conditions including immune system, hormone, arthritis, blood, hormone, allergic reaction, eye condition, and certain skin conditions as well. It is also used to treat the bowel disorders, breathing issues, and few cancers. The said steroid is applied as a test for Cushing’s syndrome (adrenal gland disorder). This type of medication is a corticosteroid hormone, which decreases the body’s natural defensive response and also decreases the symptoms like allergic-related reaction and swelling. Using dexamethasone is usually recommended to be consumed through mouth (orally) or as directed by the patient’s physician.