Words / P / Medicine

post-exposure prophylaxis

phrase/pəʊst ɪkˈspəʊʒə ˌprɒfɪˈlæksɪs/

C1CEFR level
70/100Rarity: rare
TechnicalRegister

A short course of medication started soon after a potential exposure to prevent infection taking hold.

After the needlestick injury, he was started on post-exposure prophylaxis for HIV within two hours.

Similar: PEP

Topic: Infectious disease in Medical English

Rarity runs from 0 (a word everyone knows) to 100 (almost never seen outside specialist or literary writing). Level is the word's real difficulty on the CEFR scale, from A1 to C2.

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More medicine words: Infectious disease