anaphylaxis

[ an-uh-fuh-lak-sis ]

noun

, Pathology.

1. exaggerated allergic reaction to a foreign protein resulting from previous exposure to it.

anaphylaxis

/ ˌænəfɪˈlæksɪs /

noun

1. extreme sensitivity to an injected antigen, esp a protein, following a previous injection

anaphylaxis

/ ăn′ə-fə-lăk′sĭs /

1. See anaphylactic shock

Derived Forms

• ˌanaphyˈlactically, adverb
• ˌanaphyˈlactic, adjective

Other Words From

• an·a·phy·lac·tic [an-, uh, -f, uh, -, lak, -tik], adjective
• ana·phy·lacti·cal·ly adverb
• anti·ana·phy·lactic adjective noun
• pseudo·ana·phy·lactic adjective

Word History and Origins

Origin of anaphylaxis¹

First recorded in 1905–10; ana- + (pro)phylaxis

Word History and Origins

Origin of anaphylaxis¹

C20: from ana- + ( pro ) phylaxis

Example Sentences

People at risk of potentially life-threatening allergic reactions, known as anaphylaxis, should always carry two adrenaline pens.

From BBC

“What we're seeing is a continued trickle of deaths - or serious near misses - from anaphylaxis that might be mitigated by this kind of change in legislation and policy,” he says.

From BBC

A medical examiner’s investigation found that Tangsuan died as a result of “anaphylaxis due to elevated levels of dairy and nut in her system,” the lawsuit said.

From Los Angeles Times

According to the legal filing, her death was confirmed by a medical examiner "as a result of anaphylaxis due to elevated levels of dairy and nut in her system."

From BBC

As allergy rates continue to climb, so does the incidence of food-triggered anaphylaxis and asthma worldwide.

From Science Daily