title: Letter: Phenytoin interference with dexamethasone.
mesh_terms: D000293:Adolescent; D003907:Dexamethasone / Q000037:antagonists & inhibitors* / Q000627:therapeutic use; D004347:Drug Interactions; D005260:Female; D006801:Humans; D008180:Lupus Erythematosus, Systemic / Q000188:drug therapy; D010672:Phenytoin / Q000494:pharmacology* / Q000627:therapeutic use
chemical_list: D010672:Phenytoin; D003907:Dexamethasone