Doctor insights on:
Herpes False Positive
There are different types of herpes infections; herpes simplex infection of mouth (gingivostomatitis) and lips (labialis) are the most common. Others include genital herpes, and herpes zoster. Herpes infection could very mild to very dangerous depending on the type and location of the body affected. I ...Read more
HIV testing: This depends upon the test employed. They are generally both sensitive and specific but false positive results do occur. This question can be overcome with further testing, the most specific being PCR for HIV RNA. You should be seen by an expert in the management of HIV disease. ...Read more
Herpes simplex: Depends upon the test to which you are referring. Valtrex (valacyclovir) may diminish the presence of virus in the skin or mucous membranes lesions and lessen the chances of a viral culture being positive, but will not in any way alter the antibody test on a blood specimen. ...Read more
Possible: The elisa test can be affected by different infections, causing a false-positive result. After any positive elisa, a follow-up test is performed by a 'western blot' which takes longer to perform, but gives a more sensitive answer. If you or someone you know had a positive HIV by elisa, they absolutely need the follow-up testing (including a full std/sti work up). ...Read more
Misinformed?: Who told you that your hep c test was false? If you have no viral load that means you cleared an infection. Are you sure you are getting the right advice? ...Read more
Maybe: But the fta or mhtp should be negative. ...Read more
Unlikely: All tests are subject to prior probability( the likelihood of a condition before any tests) and a refined probability, modified by test results. That being said the HIV eia test is among the most accurate in medicine, and when confirmed by a western blot, approaches 100% dr ted butler. ...Read more
Yes: There are 2 reasons for this kind of result: (1) a false positive, or (2) early infection before seroconversion. In someone at low risk for HIV without symptoms, another negative WB in 1 month means there's no infection. In someone at risk or with symptoms of acute infection, a viral load can be helpful. The new 4th generation antigen/antibody tests will eliminate this problem. ...Read more
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