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A 30-year-old female asked:

Received hsv1/2 negative blood test result 9 months post exposure. but hsv2 igm value is 4 times higher than hsv2 igg value. what does it mean?

1 doctor answer1 doctor weighed in
Dr. Hunter Handsfield
Infectious Disease 55 years experience
False positive IgM: The IgM HSV blood test is notoriously unreliable. True experts in herpes, STDs, and infectious diseases never order that test and always ignore the results. It commonly gives false positive results, and that's the problem here. If the HSV2 IgG value is negative (under 1.1), then for sure you don't have it and can ignore the IgM result.
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Last updated Dec 8, 2020

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