title: Prednisone-diphenhydramine regimen prior to use of radiographic contrast media.
mesh_terms: D004155:Diphenhydramine / Q000627:therapeutic use*; D006801:Humans; D006969:Hypersensitivity, Immediate / Q000517:prevention & control*; D011241:Prednisone / Q000627:therapeutic use*
chemical_list: D004155:Diphenhydramine; D011241:Prednisone