dexamethasone

n. anti-inflammatory and anti-allergenic medication

Dexamethasone is a potent synthetic member of the glucocorticoid class of steroid hormones. It acts as an anti-inflammatory and immunosuppressant. Its potency is about 40 times that of hydrocortisone.
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Dexamethasone /dex·a·meth·a·sone/ a synthetic glucocorticoid used primarily as an antiinflammatory in various conditions, including collagen [more]Dexamethasone - Community and Resources

Noun
1. a corticosteroid drug (trade names Decadron or Dexamethasone Intensol or Dexone or Hexadrol or Oradexon) used to treat allergies or inflammation
(synonym) Decadron, Dexamethasone Intensol, Dexone, Hexadrol, Oradexon
(hypernym) corticosteroid, corticoid, adrenal cortical steroid
(classification) trade name, brand name, brand, marque

A synthetic steroid (similar to steroid hormones produced naturally in the adrenal gland). Dexamethasone is used to treat leukemia and lymphoma and may be used to treat some of the problems caused by other cancers and their treatment.