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Definitions

prophylaxis

[proh-fuh-lak-sis, prof-uh-] / ˌproʊ fəˈlæk sɪs, ˌprɒf ə- /
NOUN
precaution
Synonyms


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

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Pre-exposure prophylaxis, or PrEP, has been used for over a decade to prevent HIV, but its reliance on a daily pill has limited its impact on global infections.

From Barron's Dec. 1, 2025

I started off pretty skeptical about echinacea, but actually, I’m an author on studies showing that echinacea reduces antibiotic usage by about 70 percent in children if they use it as a prophylaxis.

From Slate Oct. 8, 2025

It is hoped it will replace the current form of HIV preventative drug, know as PrEP, or pre-exposure prophylaxis, which is taken orally and also costs $40 per person each year.

From BBC Sep. 24, 2025

For now, people taking pre- or post-exposure prophylaxis against HIV will be deferred at least three months, which has drawn concerns from advocates who note the prevention drugs are safe and effective.

From Seattle Times Dec. 4, 2023

She had no prophylaxis, unfortunately, for Death by Drowning.

From "The God of Small Things" by Arundhati Roy




Vocabulary lists containing prophylaxis


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