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How Long Does Truvada Take To Work

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Ask the Experts

How long does it take for Truvada PrEP to be fully saturated and working?

Thank you for being there to answer my question. My husband will begin Truvada in the next few days. This is just part of our safer sex practices, but we would like to know the length of time it will take for Truvada to be fully effective within the...
Benjamin Young, M.D., Ph.D.

Response from Benjamin Young, M.D., Ph.D.

Rocky Mountain CARES
Hello and thanks for posting.While levels of the drugs in Truvada will be present in the first hours after taking the drug, steady state levels take a few days longer.It's not known exactly what dose is critical for PrEP, but protection should... Read more »

Sustiva & Truvada ; How Long ?

I have been on Sustiva and Truvada for about a year and a half. My last blood work at the year and... Read more »

Taking Truvada and need for practicing safer sex (TRUVADA PrEP, 2010)

I am HIV-. If I decide to take Truvada to lessen my chances of getting the virus from HIV+... Read more »
The Center for AIDS

Once-a-Day Truvada Lowers HIV Risk in Gays and Transgender Women

Preexposure prophylaxis (PrEP) with Truvada, the antiretroviralpill that combines Viread (tenofovir) and Emtriva(emtricitabine), lowered the chance that HIV-negativegay men and transgender women would becomeinfected in a large international trial. 1... Read more »

San Francisco Public Official Scott Wiener Announces He Is on Truvada for HIV Prevention

Scott Wiener (Credit: As pre-exposure prophylaxis (PrEP) becomes a more mainstream method used to reduce the risk of HIV infection, a new advocate for the HIV prevention strategy has emerged: San Francisco City Supervisor Scott... Read more »
Henry J. Kaiser Family Foundation

Scientists at Retrovirus Conference Present Findings on Microbicide Gel, Truvada, Male Circumcision, ART Care by Nurses

At the annual Conference on Retroviruses and Opportunistic Infections (CROI) in Boston on Monday, researchers "suggested the potential" of a gel containing the antiretroviral drug tenofovir to reduce the risk of anal HIV transmission, TIME's ... Read more »
Test Positive Aware Network

PrEP'ing: Are You Ready? Doctors and Advocates Are Gearing Up to Bring Truvada PrEP to People at Greatest Risk of Infection

Love it or hate it, it's coming: HIV prevention with the use of one pill, taken once a day.In May, the use of the HIV drug Truvada by HIV-negative people to prevent infection with the virus was recommended for FDA approval by the agency's Antiviral... Read more »
Connect With Others

Are you a long term Sustiva/Truvada user

Posted by soimnotalone, 2 Replies
I am curious about the long term effects of these medicines from actual users. I read the pamphlets and what doctors "claim" but I wanted some feedback from actual users
Thanks for responding ;) Read more »

PeP (Truvada and Kaletra) 28 day cycle... Long Term effects?

Posted by Screen1001
Hello all, I just started taking Truvada and Kaletra 3 days ago to provent being infected. After I am done with my 28 day cycle is it common for the side effects to remain long term? Right now I have had a very upset stomach and nausia for 3 days.... Read more »

Sustiva + Truvada combination

Posted by richwales, 6 Replies
Im a 26 y/o male living in UK whos been on sustiva and truvada for 4 months now my Cd4 and viral load are doing great (gone from 14% 245 to 19% 472, and 18,200 to undectable) just finding the side affects of sustiva really can be hard to cope with,... Read more »

Started TRUVADA and VIRAMUNE last night at 6pm

Posted by Augustus, 3 Replies
This is my first experience with fighting my HIV infection that I was diagnosed with on July 1 2005. So far, everything seems normal, even a wee bit better than normal as I feel a great weight lifting. I have agonized over starting meds for 2... Read more »