What is dexamethasone?
Dexamethasone is in a class of drugs called steroids. Dexamethasone prevents the release of substances in the body that cause inflammation. Dexamethasone is used to treat many different conditions such as allergic disorders, skin conditions, ulcerative colitis, arthritis, lupus, psoriasis, or breathing disorders. Dexamethasone may also be used for other purposes not listed in this medication guide.