• Ronna L Campbell, Anuradha Luke, Amy L Weaver, Jennifer L St Sauver, Eric J Bergstralh, James T Li, Veena Manivannan, and Wyatt W Decker.
• Department of Emergency Medicine, Mayo Clinic, Rochester, Minnesota 55905, USA. campbell.ronna@mayo.edu
• Ann. Allergy Asthma Immunol. 2008 Dec 1;101(6):631-6.

BackgroundAnaphylaxis guidelines recommend that patients with a history of anaphylactic reaction should carry self-injectable epinephrine and should be referred to an allergist.ObjectiveTo evaluate how frequently patients dismissed from the emergency department after treatment for anaphylaxis received a prescription for self-injectable epinephrine or allergist referral.MethodsA retrospective medical record review identified patients with anaphylaxis in a community-based study from 1990 through 2000. Records of patients with Hospital Adaptation of the International Classification of Diseases, Second Edition or International Classification of Diseases, Ninth Revision codes representing anaphylaxis were reviewed, and a random sample of patients with associated diagnoses was also reviewed. Patients who met the criteria for diagnosis of anaphylaxis were included in the study.ResultsAmong 208 patients identified with anaphylaxis, 134 (64.4%) were seen in the emergency department and discharged home. On dismissal, 49 patients (36.6%; 95% confidence interval [CI], 28.4%-44.7%) were prescribed self-injectable epinephrine, and 42 patients (31.3%; 95% CI, 23.5%-39.2%) were referred to an allergist. Treatment with epinephrine in the emergency department (odds ratio, 3.6; 95% CI, 1.6-7.9; P = .001) and insect sting as the inciting allergen (odds ratio, 4.0; 95% CI, 1.6-10.5; P = .004) were significantly associated with receiving a prescription for self-injectable epinephrine. Patient age younger than 18 years was the only factor associated with referral to an allergist (P = .007).ConclusionsMost patients dismissed after treatment for anaphylaxis did not receive a self-injectable epinephrine prescription or allergist referral. Emergency physicians may be missing an important opportunity to ensure prompt treatment of future anaphylactic reactions and specialized follow-up care.

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