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

"A key take-home message is the importance of passengers cleaning their seat area, including the tray table and the seat-back entertainment system," said Simon Williams, chief executive of charity Anaphylaxis UK.

From BBC

But review author Prof Paul Turner, clinical professor in anaphylaxis and paediatric allergy at Imperial College London, said passengers should not worry about food being transmitted in the air.

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

Earlier this year, Jeffrey Piccolo filed a wrongful death suit on behalf of his late wife, who succumbed to acute anaphylaxis after dining at a Disney World restaurant, despite repeatedly communicating her allergen restrictions to staff.

From Slate