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Can Viral Load Tests For Hiv Be Thrown Off By Antibiotics

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AIDS InfoNet

Viral Load Tests

What Is Viral Load? How Is the Test Used? How Are Changes in Viral Load Measured? Viral Load "Blips" What Do the Numbers Mean? Are There Problems With the Viral Load Test? What Is Viral Load? The viral load test measures the amount of HIV virus in your blood. There are different techniques for doing this: The PCR ( p olymerase c hain r eaction) method uses an enzyme to multiply the HIV in the blood sample. Then a...
Ask the Experts

Antibiotics, infections and viral load

Dear Dr. Holodniy,1. What affect, if any, will antibiotic treatment have on the viral load tests? Can the numbers be driven down or up by antibiotics?2. If an individual has any other infection, how will this impact the viral load testing?Thank...
Mark Holodniy, M.D., F.A.C.P., C.I.C.

Response from Mark Holodniy, M.D., F.A.C.P., C.I.C.

Stanford University, School of Medicine
Antibiotics themselves will not affect the viral load, either in the assay itself, or in a person. We do know that certain kinds of infections and vaccinations can increase viral load transiently by 2-100 times. Not all kinds of infections have been... Read more »

Hepatitis B / Antibiotics and HIV Test (ANTIBIOTICS AND HIV TESTING, 2009)

I currently have Hepatitis B and have just finished taking azithromycin for a cough.I just took a Home Access Hiv test (6 weeks after potential exposure) and was wondering if either the Hep B or antibiotics would affect the negative result.Thank you....
Robert J. Frascino, M.D.

Response from Robert J. Frascino, M.D.

The Robert James Frascino AIDS Foundation
Hello,Once again, the information you request was already waiting for you in the archives!!! I've answered these concerns multiple times in the past. (See below for a small sample of what you will find in the archives!)Dr. BobHep B and HIV... Read more »

Does antibiotic or an infection alter CD4 and viral load results?

Dear Dr. Mark HolodniyI have been positive since an year and am not on medications. My CD4 values over one year has evolved as 474(23%),477(24%),575(25.5%) and 495(21%). Respective viral load values have been 794,5500,1500,3600. CD8 has been sort of...
Mark Holodniy, M.D., F.A.C.P., C.I.C.

Response from Mark Holodniy, M.D., F.A.C.P., C.I.C.

Stanford University, School of Medicine
Antibiotics will not affect the result. An acute infection can affect the CD4 count. Given the prior consistent numbers, it is likely that on repeat your numbers will be back to baseline.... Read more »

pos. person on meds testing neg. possible? (HIV ANTIBODY TEST VERSUS HIV VIRAL LOAD TEST)

Hi Dr. Bob. First thank you for all your generous answers. My question is:If someone is on meds for hiv(any, not specific)and their v.l. is undetectable, how possible is it they can go down to the local health department and test negative? Thanks...
Robert J. Frascino, M.D.

Response from Robert J. Frascino, M.D.

The Robert James Frascino AIDS Foundation
Hello m. p.,How possible is it that an HIVer on antiretroviral medications that have driven his HIV plasma viral load to undetectable levels will test "HIV negative" (HIV-antibody negative) at his local health department? The answer is it... Read more »
Connect With Others

VIRAL LOAD TESTS VS ELISA

Posted by bura, 2 Replies
"The test can be used for diagnosis, because it can detect a viral load a few days after HIV infection. This is better than the standard HIV (antibody) test, which can be "negative" for 2 to 6 months after HIV infection." If the antibody test can be... Read more »

DNA PCR Vs Viral Load test

Posted by sunkyst, 1 Reply
Does anyone know the difference between a HIV DNA PCR test versus a viral load test that's performed on someone already confirmed positive, obviously one is about detecting the virus and the other how much but are the methods used essentially the... Read more »

Survey-Viral Load Testing

Posted by Liz1281, 1 Reply
We are a medical communications firm looking to gain perspective from HIV patients on a variety of issues. If interested, please take a few minutes to complete our survey (link below.) For the first 25 responses, we will make a donation to an HIV... Read more »

Viral load test cost

Posted by Bensf, 2 Replies
I've been HIV+ for 10 years, not on meds and have been part of a study that pays for my CD4 and viral load tests. The study is ending and I am covered by Anthem Blue Cross- California with a high deductible, which I never meet. Has anyone had... Read more »