Sunday, May 27, 2012
Saturday, October 24, 2009 Dmone asks

Q: Can a positive herpes blood test be false due to mono?

I recently tested positive for herpes in a blood test for stds given by my obgyn. I have never had any type of outbreak or lesion or any issues in the genital area so this came as quite a suprise. About a week after I had the blood test I found out I have mono (Epstein barr virus). I know mono is in the herpes family so I was wondering if the postive herpes test could have been a false positive because of mono? I have only had two partner both of which were tested for stds prior to me and with no signs of genital herpes I am shocked of a positive result.
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Answers (2)
11/ 6/09 1:20pm

I hate to say it, but today's blood tests are pretty darn accurate.  They test for the specific HSV-1 or HSV-2 virus... so a false positive is extremely unlikely.

 

Regarding your partners, you can contract herpes and it won't show up in your blood tests for a couple of months.  If one or both of them happened to pick up the virus and then happened to get a test right after the time of contact, it's possible that it just didn't show up in their tests yet.

 

An easy way to know conclusively is to just get another test done.  Get the blood test for HSV-1 and HSV-2, and get it specifically for your blood type.  If it also comes back positive, then you really have no more room to speculate about a false positive.  Then, have both of your partners get tested again.  I'm sure that one or both of them will test positive for it now, and you'll know where you picked it up from.

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11/19/09 10:26pm

First of all take a deep breath dmone, now in your situation to be certain if you have herpes, is to have a lesion or outbreak to occur and then to have the infected area swabbed and tested for hsv. If the culture comes back positive then you unfortunately have herpes beacuse a herpes culture is extremely accurate. You should then seek further medical attention if the culture is positive. Now the blood test have been highly cricitized for not being accurate so you still have a chance of a false positive test.

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By Dmone— Last Modified: 12/25/10, First Published: 10/24/09