title: Benadryl and the IVP reaction.
mesh_terms: D003287:Contrast Media / Q000009:adverse effects*; D004155:Diphenhydramine / Q000627:therapeutic use*; D004342:Drug Hypersensitivity / Q000517:prevention & control*; D006801:Humans; D007275:Injections, Intravenous; D014567:Urography / Q000009:adverse effects*
chemical_list: D003287:Contrast Media; D004155:Diphenhydramine