#AskTheHIVDoc: What is PrEP?

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Dr. David talks about who might benefit from PrEP.

The second installment of #AskTheHIVDoc, the popular Greater Than HIV Youtube series in which top HIV doctors answer your questions. This series is "All about PrEP". PrEP is for people who do not have HIV and want added protection. It is available by prescription as a daily pill or long acting injectable. When taken as prescribed, PrEP is highly effective in preventing HIV.

These videos are provided for educational purposes and not a substitute for professional medical advice. Always consult your healthcare provider before making any healthcare decisions or for guidance about a specific medical condition.

TRANSCRIPT:
Dr. David: So, I’ve been hearing about a pill that can prevent HIV. Does it really work, and how do I get it?
Got questions about PrEP? #AskTheHIVDoc has all the answers.
The pill that prevents HIV is kind of a newer addition to our HIV prevention methods, and it’s called pre-exposure prophylaxis, or PrEP. It’s a pill that contains two medications that are commonly used to treat HIV. You take the medication before you get HIV to protect yourself in case you do get exposed. It’s been found to be very effective, um, and in the studies that we’ve seen with gay men, when taken every day it can be effective in reducing risk of HIV by anywhere from 90% to close to 100%. But the important component is taking the pill everyday. If you only take it about 3 or 4 days out of the week, you’re not going to achieve the same level of protection. But PrEP was not intended to be something you have to take for the rest of your life. Sexuality is fluid. Sexual risk behavior is fluid. So, when you feel like you’re putting yourself at risk for HIV, or if you feel that some of your behaviors, if you’re not using condoms as much, PrEP may be useful in that scenario. But it’s not necessarily the case for everybody that once you start PrEP that you have to be on it for the rest of your life. So it’s a case by case scenario.
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I would like to know about the long term exposure effects of PrEP on the organs of the body especially the liver? Could you do a video or post me a link about this please?

Eltoca
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Where does the 90% protection figure come from? Studies I've seen show that gay men who take PrEP every day are completely protected (100%).

HeyBigRocker
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How long does HIV live inside a host body taking PrEP while the virus can't replicate? Does the immune system kill it off immediately?

herpderp
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This makes it sound like you can take it only when you are engaging in risky behavior (ie- taking the pill only on the days when you have sex with someone). The medication has to build up (and remain built up) in your system in order to provide its maximum benefits. This video also doesn't explain who may or may not actually be eligible to take the medicine.

blahbulous