PEP is most effective when it is started soon after exposure to HIV, when doses are not missed and when people complete the 28-day course. The most common cause of HIV infection in people who take PEP is ongoing risk behaviour.

Nov 15, 2023 · What Is PEP? HIV PEP, or post-exposure prophylaxis, is a short course of HIV medicines taken very soon after a possible exposure to HIV to prevent the virus from taking hold in your body. You must start it within 72 hours (3 days) after a possible exposure to HIV, or it won’t work. Every hour counts! PEP should be used only in emergency ...

Sep 18, 2023 · How does post-exposure prophylaxis work? PEP medications are antiretroviral drugs that work by preventing HIV from making more copies of itself. Each medication uses a different method or stops HIV at a different point in its replication process. Combining medications that work in different ways makes the treatment more effective.

How does PEP work? It takes a few days for HIV to become established in the body following exposure. PEP drugs given at this time may help the body’s immune system to stop the virus from replicating (multiplying) in the infected cells of the body.

Nov 1, 2024 · How does PEP work? How well does PEP work? How soon after sex do you need to take PEP? How many drugs are in PEP? Which drugs are used for PEP? Can efavirenz or Atripla be used in PEP? What if the HIV is resistant to the PEP drugs? How long do you need to take PEP for? What if I am late or if I miss a dose? Can I stop earlier than 28 days?

Sep 12, 2024 · Post-exposure prophylaxis (PEP) is a medicine you take after you’ve come into contact with HIV, the virus that causes AIDS, to lower your chance of infection. You must start PEP within 72 hours...

May 13, 2021 · One prevention method is called postexposure prophylaxis (PEP), which is a combination of antiretroviral medications. PEP can be taken after a potential exposure in order to help prevent HIV...

Jan 15, 2025 · PEP can prevent HIV from spreading through your body after a possible HIV exposure. PEP should be taken within 72 hours of a potential exposure. The sooner you start PEP, the more effective it is at protecting against an HIV infection. How does PEP work?

Nov 21, 2023 · How Does PEP Work? When HIV enters a person’s body, it seeks out and attacks immune cells, where the virus replicates itself and spreads to more and more cells in the body.

Sep 7, 2023 · PEP is a combination of antiretroviral medications, which stop the virus from replicating and protect the immune system. They help reduce the chance of becoming HIV-positive after possible exposure. This article explains PEP, its effectiveness and risks, and how to access PEP. What is postexposure prophylaxis for?