|5 days on HIV Post-exposure meds
Mar 13, 2012
I recently had unprotected anal sex with a man where I was the insertive partner only. We both get tested regularly, and have both always been hiv-neg, so we didn't use condoms based on logic of serosorting. It had been about 4 months since his last test, so I really encouraged him to get retested and unfortunately, he tested positive yesterday. I am very sad for him, and for us, but am right now just trying to deal with aftermath. I know that being the top is much lower risk, but because I assume his viral load is quite high, I went to the ER and they gave me a 5-day supply of PEP meds (800mg Crixvan 3x/day + 300mg Lamivudine-Zidov 2x/day). I started the meds 24hours after exposure. My question is whether I really need to take the full 28-day dose, or would the 5-day supply I received be sufficient? I still think that my risk is quite low, especially considering the fact the we had unprotected sex several times two months ago when he was probably serocoverting, and I am still negative as of last test (1 week ago). FU*K HIV! I'm so sick of dealing with this. I love this VERY informatiev site though, and really appreciate your input.
| Response from Dr. Wohl
Unfortunately we do not know how long is just right when it comes to PEP. The original data looked at 4 weeks so that is what we are stuck with.
Some important considerations:
- The chance that PEP would be effective days after an exposure seems very low based on exposure experiments in non-human primates.
I would seek out an HIV specialist to discuss if you even need to be on PEP and to conduct proper testing post exposure.
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