title: What is your diagnosis? Urticaria multiforme.
authors: Mayo Clinic, Scottsdale, Arizona, AZ 85259, USA. donnelly.abigail@mayo.edu
authors: Abigail F W
authors: AF
authors: Donnelly
authors: Brandie
authors: B
authors: Tackett
mesh_terms: D000799:Angioedema / Q000175:diagnosis / Q000209:etiology / Q000473:pathology; D003937:Diagnosis, Differential; D004892:Erythema Multiforme / Q000175:diagnosis* / Q000473:pathology; D006801:Humans; D007223:Infant; D008297:Male; D014581:Urticaria / Q000175:diagnosis* / Q000209:etiology / Q000473:pathology