Why do foods seem to not have a refractory period when performing testing as is often the case with venom testing?
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Do you wait to perform SPT for foods to avoid the refractory period?
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1 Answer
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Allergy & Immunology · Johns Hopkins University School of Medicine
Answered on
This is one of 2 important misconceptions about food anaphylaxis. There is actually good evidence of a refractory (anergic) period after anaphylaxis to foods, drugs, and peri-operative agents, but it is only about 7-10 days (and variable among individuals) rather than 4-6 weeks, as widely stated. It...
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