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low levels of efavirenz
Sep 25, 2010

Hi, i had to come back with same quaestion since ive got no answer in the first place. im on atripla for 6 months, in my last 3 checks my doctor told me that my levels of efavirenz is under 1000, something between 600 and 800. he dosent know if he should give me an extra 200mg efavirenz pill. he asked other consultants and nobody had an answer. can u please let me know what u think? thank you. a.

Response from Mr. Vergel

Did your doctor measure your blood level of Efavirenz? Are you in Europe? Most doctors in the United States do not measure medication blood levels.

If your doctor measured your blood levels and he has told you that you need more Efavirenz, why are you both questioning it? Also, I am assuming that he or she measured your blood levels because you have not responded to the drug (your viral load has not become undetectable after 26 weeks). If that is the case, make sure that you do not have resistance to Efavirenz. If you have resistance, increasing the dose will do little good.

You can always talk to your doctor about using a Novir boosted protease inhibitor, which usually reach adequate blood levels.


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