EM Ottawa - By Alex Coutin - March 18, 2021
...”Within the last year, 2 major anaphylaxis organizations – the Canadian Society of Allergy and Clinical Immunology (CSACI) and the World Allergy Organization (WAO) – updated their anaphylaxis guidelines with the most up-to-date evidence, even proposing new, simpler diagnostic criteria.
There are 4 take home points from this post:
- The World Allergy Organization has developed new anaphylaxis diagnostic criteria.
- There is little to no evidence to support the routine administration of steroids in the acute phase of anaphylaxis, nor in the mitigation or prevention of biphasic reactions.
- Antihistamines should never come before, delay or replace the administration of epinephrine for anaphylaxis.
- In patients with high-risk features, extended observation (≥6h) is reasonable. In patients without high-risk features, early discharge may be appropriate (<2h)...”