title: Common variable immunodeficiency.
abstract: We describe a patient with common variable immunodeficiency who three times presented an anaphylactic reaction after intravenous immunoglobulin administration. These reactions were attributed to the total absence of IgG 2, 3 and 4.
authors.affiliation: Immunodeficiency and Allergy Unit of the Santa Casa de Misericórdia's Pediatrics Department, São Paulo, Brazil.
authors.forename: L R
authors.initials: LR
authors.lastname: de Almeida Barry
authors.forename: W C N
authors.initials: WC
authors.lastname: Forte
mesh_terms: D000293:Adolescent; D000707:Anaphylaxis / Q000209:etiology*; D017074:Common Variable Immunodeficiency / Q000175:diagnosis / Q000276:immunology / Q000628:therapy*; D005260:Female; D006801:Humans; D007074:Immunoglobulin G / Q000145:classification / Q000276:immunology; D016756:Immunoglobulins, Intravenous / Q000009:adverse effects* / Q000276:immunology / Q000627:therapeutic use; D011014:Pneumonia / Q000209:etiology; D012008:Recurrence
chemical_list: D007074:Immunoglobulin G; D016756:Immunoglobulins, Intravenous