What are the mortality rates for anaphylaxis?

Updated: May 16, 2018
  • Author: S Shahzad Mustafa, MD; Chief Editor: Michael A Kaliner, MD  more...
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Fatal anaphylaxis is infrequent but not rare; milder forms occur much more frequently. Up to 500-1000 fatal cases of anaphylaxis per year are estimated to occur in the United States. Estimated mortality rates range from 0.65-2% of patients with anaphylaxis. [39, 40]

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