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Elisa At 18 Weeks False Negative

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Ask the Experts

will antibiotics taken 1 week before the Elisa give false negative

Iam a 30 yr old male , I had a exposure to a girlfriend of mine on the 14th of April 99, and I took the ELISA and the rapid test on the 14 of December 99, and I was negative, but I took again on the 14 January 2000 as I was not sure whether the test...
Judith Feinberg, M.D.

Response from Judith Feinberg, M.D.

University of Cincinnati, College of Medicine
Antibiotics will not interfere with an HIV blood test. Read more »

Guess what? 12 week neg. ELISA is false!! Please read.

Dear Dr Bob,I have written to you in this forum recently to discuss a sketchy situation I got... Read more »

Positive ELISA negative Western blot

I just wanted to thank you for this forum. I am 7 weeks pregnant, and received a call last Friday... Read more »
Articles
San Francisco AIDS Foundation

HIV Testing

...hours, but most test sites send samples to outside labs, where they are tested in batches, so you may have to wait one to two weeks for results. Beyond the Window Period ELISA tests are very rarely "false negative." This means if you have a... Read more »
AIDS InfoNet

HIV Testing

...takes from three weeks to two months for your immune system to produce HIV antibodies. During this "window period" you can test negative for HIV even if you are infected. If you think you were exposed to HIV, you should wait for two months... Read more »
The Well Project

What Is HIV?

...HIV? Most people cannot tell that they have been exposed or infected. Symptoms of HIV infection may show up within two to four weeks of exposure to HIV, and can include fever, swollen glands, muscle aches, or rash. Some people do not notice the... Read more »
New York State Department of Health AIDS Institute

Diagnostic, Monitoring and Resistance Laboratory Tests for HIV

...include enzyme immunoassays (ELISA/EIA), chemiluminescent immunoassays (CIAs), and rapid tests. ( AII ) Patients who test negative for HIV antibody at baseline should receive a follow-up HIV antibody test at 3 months. For individuals who test... Read more »
Connect With Others

Help please.. Possible 2 False negative ELISA

Posted by HoPeAndFaiTh, 1 Reply
...hi folks.. Im sorry because of my bad english. I had a ELISA 4 generation test + p24, after 9 weeks of possible infection (60 days). It was negative. I did the test after 4 weeks too. And negative. But I have all se sympthoms: Read more »

so ELISA tests NEVER give a false negative?

Posted by Anonymous, 3 Replies
Is this statement correct? Read more »

Do TWO false positive ELISA tests mean I'm okay?

Posted by bobarama, 1 Reply
...unprotected insertive vaginal, with a lady a few times. I then had a flu like illness with a flat rash on my chest and stomach. A few weeks after that I tested and it was a positive ELISA with negative Western Blot. I went back to test again 7... Read more »

Elisa and PCR test.

Posted by Anonymous, 4 Replies
...pick up antibodies within 3-5 weeks. Are they referring to the PCR test or Elisa test or both? (I just took the Elisa test. Negative after 5 weeks. Does it mean anything?) Read more »