Meaning & use
anaphylaxis
Last updated
Meanings
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.
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
Which sentence uses 'anaphylaxis' correctly?
Choose one answer.
Anaphylaxis is a severe allergic reaction needing emergency care, so option 0 fits. Option 1 makes it seem mild, option 2 describes a mild rash, and option 3 treats it as a medicine.
Make it your own
Write a sentence using “anaphylaxis”, then check it and compare it with the examples above.