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Oct 28, 1997

Dear Dr. Gallant I looked in your back-answers, but couldn't find info on Toxoplama. I was told I tested positive for Toxo, but does that mean I have an active infection or just have antibodies? My CD4 is well above 500 at this point. Is Toxo common? Should I worry about it at this point, or is it a later stage disease?

Response from Dr. Gallant

A positive test for toxo means that you have a positive IgG antibody. It also means that you probably have toxo cysts in your body, but they're not doing any harm,and generally won't as long as your CD4 count is above 100. Below that level, your risk for cerebral toxoplasmosis, a type of brain abcess, goes up. However, drugs like Bactrim (Septra) or pyrimethamine plus dapsone can significantly reduce your chances of developing toxo. It's not time to take them now, but would be if your CD4 count declined to below 100.

Pneumococcal vaccine?
Difference between herpes Igg antibodies and Igm

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