title: Diagnosis of chronic urticaria.
mesh_terms: D000328:Adult; D000485:Allergens; D002675:Child, Preschool; D002799:Cholinergic Fibers; D002908:Chronic Disease; D003080:Cold Temperature / Q000009:adverse effects; D003141:Communicable Diseases / Q000150:complications; D004342:Drug Hypersensitivity / Q000150:complications; D005260:Female; D005512:Food Hypersensitivity / Q000150:complications; D006636:Histamine Release; D006801:Humans; D006969:Hypersensitivity, Immediate / Q000150:complications; D007223:Infant; D007231:Infant, Newborn; D008297:Male; D011312:Pressure / Q000009:adverse effects; D012882:Skin Tests; D013472:Sunlight; D014581:Urticaria / Q000145:classification / Q000175:diagnosis / Q000209:etiology*
chemical_list: D000485:Allergens