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.
Dexamethasone (Decadron) is a weak corticosteroid. It binds to cytoplasmic receptors resulting in enzyme synthesis that bring about its effects. These include anti-inflammatory, anti-nausea in chemotherapy and immunomodulation.