Pre-exposure prophylaxis is the practice of taking medication before a possible exposure to an infectious agent in order to reduce the chance of becoming infected, most established as an HIV prevention strategy for people at ongoing risk. The United States Food and Drug Administration approved the first drug specifically for HIV pre-exposure prophylaxis, a combination of tenofovir and emtricitabine, in 2012, a decision that gave public health authorities a new tool for HIV prevention beyond condom use and treatment of people already infected. Taken consistently, pre-exposure prophylaxis substantially reduces the risk of acquiring HIV through sex or injection drug use, and it has become a standard part of HIV prevention programs for people at ongoing risk in many countries.
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1. Wikipedia
Wikipedia contributors, Wikimedia Foundationhttps://en.wikipedia.org/wiki/Pre-exposure_prophylaxis, lead sectionQuote, https://en.wikipedia.org/wiki/Pre-exposure_prophylaxis, lead section
Pre-exposure prophylaxis (PrEP) is the use of medications to prevent the spread of disease in people who have not yet been exposed to a disease-causing agent.
2. Wikipedia: Truvada
Wikimedia FoundationIndications, PrEP approvalQuote, Indications, PrEP approval
It was approved for PrEP against HIV infection in the United States in 2012.
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