anaphylaxis
Americannoun
noun
Other Word Forms
Etymology
Origin of anaphylaxis
First recorded in 1905–10; ana- + (pro)phylaxis
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Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Symptoms of the allergy can range from mild to severe including skin rashes, swelling, stomach cramps, vomiting and anaphylaxis, which can be life-threatening.
From BBC ● Jul. 20, 2026
Scientists have long suspected that severe cases could escalate into life threatening anaphylaxis.
From Science Daily ● Dec. 17, 2025
The immune system tries to fight them off, triggering symptoms ranging from hives and diarrhea to anaphylaxis, a life-threatening condition.
From Los Angeles Times ● Oct. 20, 2025
Among the most common co-occurring illnesses were chronic fatigue syndrome and mast cell activation syndrome, or MCAS, a condition where patients experience intense episodes of diarrhea, hives, vomiting, and, in many cases, life-threatening anaphylaxis attacks.
From Slate ● Sep. 15, 2025
A condition known as anaphylaxis or hypersensitiveness, which at present is being much studied, may sometimes occur in the human being.
From Health on the Farm A Manual of Rural Sanitation and Hygiene by Harris, H. F. (Henry Fauntleroy)
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
