Meaning & use

anaphylaxis

noun·Advancedmedical

Last updated

UK/ˌænəfɪˈlæksɪs/
US/ˌænəfɪˈlæksɪs/

Meanings

  1. noununcountablemedical

    a serious allergic reaction that can cause breathing problems, a sudden drop in blood pressure, and shock.

    Grammar: Used without 'a' or 'an' in general: 'Anaphylaxis is dangerous.' Can be used with 'the' in specific medical contexts.

    Patterns

    • cause anaphylaxis
    • suffer from anaphylaxis
    • anaphylaxis to something

    Peanuts can cause anaphylaxis in some people.

    She carries an epinephrine auto-injector in case of anaphylaxis.

    Anaphylaxis requires emergency treatment with adrenaline.

  2. noununcountablemedical

    a condition of extreme sensitivity to a substance that leads to this reaction.

    Grammar: Often followed by 'to' when naming the trigger: anaphylaxis to insect stings.

    Patterns

    • anaphylaxis to something
    • a history of anaphylaxis

    He has a history of anaphylaxis to bee stings.

    Anaphylaxis to latex is rare but serious.

Common combinations

severe anaphylaxis
Severe anaphylaxis can be fatal without immediate care.
cause anaphylaxis
Certain foods can cause anaphylaxis.
anaphylaxis to bee stings
Anaphylaxis to bee stings is a common allergy emergency.
signs of anaphylaxis
Swelling and difficulty breathing are signs of anaphylaxis.

Synonyms and how they differ

anaphylactic shock
This is the most severe form of anaphylaxis, when blood pressure drops dangerously.
allergic reaction
This is a general term for any allergy response, which may be mild; anaphylaxis is always severe.

Word family

anaphylactic adjective
relating to anaphylaxis, as in 'anaphylactic shock'.

Commonly confused: anaphylaxis or anaphylactic?

anaphylaxis vs anaphylactic

Anaphylactic is the adjective; anaphylaxis is the noun. Say 'anaphylactic shock', not 'anaphylaxis shock'.

Practice

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