title: Adverse reactions to contrast agents. Scope of problem.
mesh_terms: D000293:Adolescent; D000328:Adult; D000367:Age Factors; D000368:Aged; D001249:Asthma; D002648:Child; D002675:Child, Preschool; D002758:Cholangiography / Q000009:adverse effects; D003287:Contrast Media / Q000008:administration & dosage / Q000009:adverse effects*; D004342:Drug Hypersensitivity; D004357:Drug Synergism; D006801:Humans; D006969:Hypersensitivity, Immediate; D007223:Infant; D007231:Infant, Newborn; D007275:Injections, Intravenous; D008875:Middle Aged; D014567:Urography
chemical_list: D003287:Contrast Media