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Acute Systemic Anaphylaxis

Anaphylaxis is a systemic allergic reaction involving the respiratory and/or the cardiovascular system; it has a rapid onset with the possibility of causing death. However, less severe reaction may be also defined as “anaphylaxis” if there is a high index of suspicion for allergic reaction in the setting of previously diagnosed allergy (Sanchez et al. 1999; Simons et al. 2007; Tang and Liew, 2008). It was observed by Simons (2006) that anaphylaxis is a disease of modern times; sporadic cases report of anaphylaxis were only published in 17th, 18th and 19th centuries and within the past four decades, the rates of allergic diseases have been increasing dramatically. The most common identifiable triggers of anaphylaxis would be food, insect venom or medication while less commonly by allergen such as natural rubber latex or physical factor such as exercise (Simons, 2006). It is usually mediated by immunological mechanism which could result in the sudden......

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