Anaphylactic reaction; Anaphylactic shock; Shock - anaphylactic
Symptoms develop rapidly, often within seconds or minutes. They may include the following:
Signs include:
The health care provider will wait to test for the specific allergen that caused anaphylaxis (if the cause is not obvious) until after treatment.
The diagnosis and management of anaphylaxis: an updated practice parameter. J Allergy Clin Immunol. 2005 Mar;115(3 Suppl):S483-523.
Sicherer SH, Simons FE, Section on Allergy and Immunology, American Academy of Pediatrics. Self-injectable epinephrine for first-aid management of anaphylaxis. Pediatrics. 2007;119:638-646.
Simons FE. Anaphylaxis. J Allergy Clin Immunol. 2008;121:S402-S407.
Sampson HA, Muñoz-Furlong A, Campbell RL, Adkinson NF Jr, Bock SA, Branum A, et al. Second symposium on the definition and management of anaphylaxis: summary report-second National Institute of Allergy and Infectious Disease/Food Allergy and Anaphylaxis Network symposium. Ann Emerg Med. 2006; 47:373-380.