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what can cause a false negative hiv test

A 20-year-old male asked:
Dr. Hunter Handsfield
53 years experience Infectious Disease
Yes, conclusive: There are no medical conditions that cause false negative HIV tests, especially with the combo (Ag/Ab) tests. Diabetes certainly does not do so. The c ... Read More
Dr. John Chiu
Dr. John Chiu answered
57 years experience Allergy and Immunology
No and yes: HIV test is not affected by other disease conditions. A negative test at 6 months tells you that you didn't have the infection from that encounter. Ho ... Read More

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A 44-year-old male asked:
Dr. Ed Friedlander
44 years experience Pathology
Rare: Any lab can make an error on any test. If in doubt get a pcr quantitative assay for your viral load.
Dr. Chirag Vasa
27 years experience Infectious Disease
No : Not really , unless window period.
A 25-year-old female asked:
Dr. Gurmukh Singh
49 years experience Pathology
See below: See your doctor to get a HIV nucleic acid test. if the result is negative at more three months after exposure you would be essentially sure that you d ... Read More
A 19-year-old female asked:
Dr. Gurmukh Singh
49 years experience Pathology
Depends: It depends on how long ago did you have any exposure, and what test is being done. Antibody tests may take 6-12 months to turn positive. An HIV nuclei ... Read More
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A 19-year-old male asked:
Dr. Gurmukh Singh
49 years experience Pathology
May be: A nucleic acid test for HIV is more reliable.
A 34-year-old female asked:
Dr. John Chiu
Dr. John Chiu answered
57 years experience Allergy and Immunology
Miscommunication?: If you are not infected, there is no reason to take HIV drugs. Either you misheard or the nurse made an error. I presume that you were HIV negative n ... Read More
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A 25-year-old female asked:
Dr. Hunter Handsfield
53 years experience Infectious Disease
Nope, no false negs: HIV tests are never false negative more than a few weeks after infection. Mononucleosis doesn't persist 3 yr, but I'm even more certain you ... Read More
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A member asked:
Dr. Douglas Miller
41 years experience Pathology
Unlikely: When sufficient time has elapsed after one's last potential exposure, HIV tests are usually reliably positive if one is in fact infected. One has to ... Read More
A 33-year-old male asked:
Dr. Keshab Paudel
19 years experience Internal Medicine
Possibly no: There is no relation between these disease and HIV. If you suspect that the screening test was negative then you can discuss with a physician to get a ... Read More
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A 19-year-old male asked:
Dr. Gurmukh Singh
49 years experience Pathology
Depends: What type of test was done? A test for HIV nucleic acids, if negative at 6 months after potential exposure, would rule out HIV infection. If it was an ... Read More

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