What is the global incidence of anaphylaxis?

Updated: May 16, 2018
  • Author: S Shahzad Mustafa, MD; Chief Editor: Michael A Kaliner, MD  more...
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Answer

The incidence of anaphylaxis does not appear to vary significantly between countries. Two European studies detected a lower average annual incidence than found in the Rochester study (3.2 cases of anaphylactic shock per 100,000 person-years in Denmark; 9.8 cases of out-of-hospital anaphylaxis per 100,000 person-years in Munich, Germany [34] ). Rates in Europe range from 1-3 cases per 10,000. [35, 34] However, the incidence of anaphylaxis may be increasing. [36]

Simons and colleagues examined the rate of epinephrine prescriptions for a population of 1.15 million patients in Manitoba, Canada, and found that 0.95% of this population was prescribed epinephrine, an indicator of perceived risk that future anaphylaxis may occur. [37] Moneret-Vautrin et al reviewed the published literature and stated that severe anaphylaxis affects at least 1-3 persons per 10,000 population. [38]


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