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What Causes False Positive Hiv

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Can Hep B Vaccine cause a false positive HIV test?

Help DOC!thanks BD for your time,I'm finding this site to be #1 HIV infosource!!!#1As regular blood donator, I was suprised that my donation was rejected, due to false positive for HIV. Could it be do to 2nd series of Hepatitis B vaccination....
Bruce Dezube, M.D.

Response from Bruce Dezube, M.D.

Harvard Medical School
Two excellent questions1) Can Hepatitis B vaccine cause false positive HIV test??Apologies in advance for a lengthy answer.Many vaccines can stimulate "cross-reacting" antibodies. It is definitely theoretically possible that the... Read more »

Can dengue fever or tetanus shot cause HIV false positive?

Hello Dr. Frascino. About 1 month ago I returned from a trip to Nicaragua where I was stung in the... Read more »

Can HIV cause a false positive lupus test?

I posed this question a couple of days ago and have not received notification of an answer. My guy... Read more »
Articles
TheBodyPRO.com

Early Expiration May Be Cause of Unusually High False-Positive Rates on OraQuick Rapid HIV Tests, Study Finds

There's nothing like hearing the results of studies directly from those who actually conducted the research. In this interview, you'll meet one of these impressive HIV researchers and read her explanation of a study she presented at CROI 2009. After... Read more »
U.S. Centers for Disease Control and Prevention

Questions and Answers: False-Positive Oral Fluid Rapid HIV Tests

What is the significance of the reported increases in false positives when using the oral fluid HIV test in New York City sexually transmitted disease (STD) clinics? It is important to keep in mind that overall oral fluid tests have performed well.... Read more »
U.S. Centers for Disease Control and Prevention

Overview of False-Positive Oral Fluid Rapid HIV Tests

The New York City Department of Health and Mental Hygiene (NYC DOHMH) describes "False-Positive Oral Fluid Rapid Tests, New York City 2005-2008" in the Centers for Disease Prevention and Control's (CDC's) June 18, 2008 Morbidity and Mortality... Read more »
U.S. Centers for Disease Control and Prevention

San Francisco Clinics Getting High False-Positive Rate on Oral HIV Test

According to San Francisco Department of Public Health officials, analyses of more than 6,000 rapid-result oral HIV tests conducted in city public health clinics since spring found 47 positive results in patients who were negative in follow-up... Read more »
Connect With Others

False Positive?

Posted by Anonymous, 2 Replies
Does anyone know if marijuana could cause a false positive test result (specifically for an HIV DNA by PCR)? I smoked a lot about five days prior to my test. Also, I am on an antidepressant/anti-anxiety medication called Effexor (150 mg). Does... Read more »

Question about false positive ........

Posted by Anonymous, 1 Reply
Does anyone know whether physical illness or certain medication such as penicillin could result in a false positive? How accurate is the Elisa considering it only tests for antibodies rather than the actual virus? I'm considering getting tested... Read more »

Pregnant and False- positive

Posted by pregnant2009, 3 Replies
I am 9month pregnant and two weeks ago my Ob doctor ordered me a HIV test. Last week the result came in and it was positive. Then he took my blood again to confirm.
I was shocked by the result. I didn't know whether the new born baby will be... Read more »

Likelihood of False Positive with ELISA?

Posted by jp976, 1 Reply
Last Januaury I had unprotected anal sex in which the man ejaculated inside me. I was so nervous that I didn't have the guts to tell him to wear a condom. I just found out yesterday that I tested positive for HIV on the ELISA test. It was a blood... Read more »