A member asked:

Is there anything that will cause a false neg hiv test? meds? stress? anxiety? fasting? anything?

A doctor has provided 1 answer

Yes: Standard HIV screening tests actually test for the presence of antibodies that the body makes to fight the HIV virus. False negatives are most commonly due to testing too soon after exposure. The period of time for the body to make antobodies is called "the window period". It varies in each person, but it is usually between 3 to 6 months.

Answered 4/18/2015

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Related Questions

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Can anxiety and stress cause HIV symptoms?

A doctor has provided 1 answer