pre-exposure prophylaxis

variants: or less commonly preexposure prophylaxis

Definition of pre-exposure prophylaxis

: a preventive treatment for HIV infection in which antiretroviral drugs are taken by an uninfected person who is at a high risk of contracting HIV In some quarters, the idea that healthy gay men should take a medication to prevent infection—an approach called pre-exposure prophylaxis, or PrEP—has met with hostility or indifference.— David Tuller abbreviation PrEP

Examples of pre-exposure prophylaxis in a Sentence

Recent Examples on the Web

Among them is pre-exposure prophylaxis (PrEP), a course of drugs proven to reduce a person's chances of contracting HIV. David Grossman, Popular Mechanics, "Russian Scientist Wants to Use CRISPR to Genetically Edit Infants," 12 June 2019 This includes access to pre-exposure prophylaxis (PrEP). Brittney Mcnamara, Teen Vogue, "What These 4 Young People Want You to Know About HIV," 10 Apr. 2019 There is a pill called HIV pre-exposure prophylaxis (or PrEP) which, when taken daily, can reduce your risk of acquiring HIV by more than 90 percent; but PrEP doesn’t protect against other STIs. SELF, "Here's Why Sexually Transmitted Infection Rates Are So High, According to STI Experts," 8 Jan. 2019 Most insurers cover the pill, also known as pre-exposure prophylaxis, or PrEP. Washington Post, "Out-Of-Pocket Costs Put HIV Prevention Drug Out Of Reach For Many At Risk," 11 July 2018 PrEP, or pre-exposure prophylaxis, involves taking a daily pill to prevent HIV transmission. Tim Fitzsimons /, NBC News, "With TV ads, drugmaker Gilead brings HIV prevention drug out of the closet," 30 May 2018 One option your physician may discuss with you is pre-exposure prophylaxis (PrEP), which is a daily pill that can greatly reduce your risk of HIV infection, and may be appropriate for some patients. Nathan Levitt, SELF, "6 Things Every Transgender Person Should Know About Going to the Doctor," 11 June 2018 Use of pre-exposure prophylaxis, or PrEP—daily antiretroviral pills taken by uninfected people—during the study years jumped from 2% of the HIV-negative participants to 24%. Jon Cohen, Science | AAAS, "A pill that protects people from HIV may also lead to more sex without condoms," 6 June 2018 Grindr also encourages the use of pre-exposure prophylaxis, or PrEP, a daily pill that protects against the virus. Donald G. Mcneil Jr., New York Times, "Grindr, Popular Gay Sex App, to Offer H.I.V. Test Reminders," 26 Mar. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'pre-exposure prophylaxis.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

See More

First Known Use of pre-exposure prophylaxis

2005, in the meaning defined above

Keep scrolling for more

Learn More about pre-exposure prophylaxis

Dictionary Entries near pre-exposure prophylaxis




pre-exposure prophylaxis




Statistics for pre-exposure prophylaxis

Last Updated

19 Jun 2019

Look-up Popularity

Time Traveler for pre-exposure prophylaxis

The first known use of pre-exposure prophylaxis was in 2005

See more words from the same year

Comments on pre-exposure prophylaxis

What made you want to look up pre-exposure prophylaxis? Please tell us where you read or heard it (including the quote, if possible).


having a desire to acquire more things

Get Word of the Day daily email!

Test Your Vocabulary

Words for Summer: A Quiz

  • a closeup of a sunflower
  • Which of the following words means “of or relating to summer”?
How Strong Is Your Vocabulary?

Test your vocabulary with our 10-question quiz!


Test Your Knowledge - and learn some interesting things along the way.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!