How Effective Is Pep If Taken 24 Hours After Exposure

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Get the Facts

Treatment After Exposure to HIV

For serious exposures, the U.S. Public Health Service recommends using a combination of three approved ARVs for four weeks. For less serious exposure, the guidelines recommend four weeks of treatment with two drugs: zidovudine (Retrovir, AZT) and lamivudine (Epivir, 3TC). In January 2001, the Centers for Disease Control warned against using nevirapine (Viramune) for PEP because of the risk of liver damage. See Fact Sheet 431 for more...

Ask the Experts

How effective is PEP started 60 hours after exposure?

I had bareback sex with a man who I found out was HIV positive, but he said he had a low viral load and high counts of CD-4. I don't know whether to trust this though. I put off getting PEP because I was too scared I'd be judged by my...

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

Rocky Mountain CARES

Hello and thanks for your post.Just because you don't have any side effects doesn't mean that the medications that you're taking aren't working. Indeed, many persons who take HIV meds (including those who are taking them for... Read more »

Potential Exposure 8 Hours Ago - PEP??

Dear Doctors, I'm rather worried about a potential HIV exposure that occurred roughly 8 hours ago with someone I met online. I was the receptive (male) partner, and found that the condom we used broke, and therefore that I had unknowingly...

Response from Joseph McGowan, M.D., F.A.C.P.

North Shore University Hospital

PEP should be used if there was a potential exposure to HIV. The risks and benefits must be weighed. Generally, I would recommend prophylaxis in the setting your described. Treatment should start as soon as possible after the exposure (preferably... Read more »

would p24 antigen be positive after 10 weeks after exposure considering I took PEP for 28 days?

I took PEP after 100 hours of exposure for 28 days. 6 weeks after my PEP course finished and which was exactly 2 and half months after exposure I had a hiv1 and hiv 2 with the p24 antigen test and they all came negative. How accurate is the p24...

Response from Robert J. Frascino, M.D.

The Robert James Frascino AIDS Foundation

Hello,I'll make several points:1. Your PEP was prescribed inappropriately. PEP is not warranted (or felt to be effective) if more than 72 hours have lapsed between exposure and the first dose of PEP.2. Had you taken an appropriately prescribed... Read more »

PEP after 24 hours?

I went on combivir about 45 hours after my exposure, but the general practicioner at the emergency said I was wasting my time after 24 hours. Is this true? Should I stop as I am having some side effects.Thank you,worried...

Response from Robert J. Frascino, M.D.

The Robert James Frascino AIDS Foundation

Hi Worried,The general practitioner said what???? Oh my . . . he desperately needs a refresher course on basic HIV/AIDS. PEP should be started as soon as possible after a significant HIV exposure; however, it is recommended to be given up to 72... Read more »

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Post-Exposure Prophylaxis (PEP) - Help

Posted by MF2010

Hi all,

I've been exposed to HIV in the beginning of this month.
My condom completely broke and i had sex for a couple of minutes completely exposed. I suspect my partner was HIV infected.

Went straight to the hospital and started Post-Exposure... Read more »

PEP

Posted by je5872, 2 Replies

has anyone ever taken PEP. I began taking PEP 4 hrs post exposure. I was top with hiv+ guy on no meds when condom broke. i immediately washed and urinated. Has anyone had this experince? do they feel the PEP was effective? Read more »

New Topic: Has anyone ever taken PEP?

Posted by anxietyboy

Has anyone ever received Post Exposre Prophylaxis, for either a occupational or non-occupational exposure to HIV???

Read more »

Known Exposure(?); PEP; HEP C "cured"; Home Access

Posted by login123

What a roller coaster this has been. In November, I started having sex with someone who was HIV + and "cured" of Hep C for several years (5+). I saw his medical records. With regards to HIV, he had an undetectable viral load <20 for years and was... Read more »

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