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False negative HIV test ?

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User Profile
August 25th, 2010
I am very curious about my condition now. My last blood testing was 175days after my last exposure, and it came back negative. However, there are a lot of symptoms that are related to HIV's symptoms such as diarrhea which last around 1 week, lymp nodes in my armpit n my neck, feeling trembling when i sleep, white tongue, rash on skins, sorethroat and loss weight in which some of them are still in me now. Every source says that window period should last no longer than six months. Thus, can my result is a false negative one because it is around 5days before it completely reached to 6months?

To add some information, my last exposure was 25th Janury 2010, the first blood testing was 17th June 2010 and the second blood testing was 20 July 2010.


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replied August 25th, 2010
HIV and AIDS Answer A15627
Hi, welcome to the ehealth forum and I am glad to help you.
You seem concerned by the duration of window period for HIV and the HIV testing.
In the vast majority of cases, the standard test that will be offered at an HIV testing centre will be an HIV antibody test. The HIV antibody test looks for antibodies to the virus in a person's blood. For most people these antibodies take 6 weeks to 3 months to develop. In rare cases, it can take up to 6 months. It is extremely rare for a person to take any longer than 6 months to develop detectable antibodies.
So if you have any doubt you can go for repeat testing as there is no fixed limit of 6 months and it varies from person to person.
Hope this addresses your query. Take care.
Note: This post is not to emphasise final diagnosis as the same cannot be made online and is aimed just to provide medical information and no treatment suggested above be taken without face to face consultation with health care professional.



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