What Can Can Cause A False Positive Syphilis Test

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San Francisco AIDS Foundation

HIV Testing

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HIV and syphilis

Please advise can having syphilis cause an HIV test to show positive??
Robert J. Frascino, M.D.

Response from Robert J. Frascino, M.D.

The Robert James Frascino AIDS Foundation
Hello,No, syphilis would not cause false-positive HIV tests. However the reverse can happen. In other words HIV infection can cause false-positive (as well as false-negative) serologic results when screening for T. pallidum, the organism that causes... Read more »

syphilis testing

What factors could cause a false negative on a treponemal syphilis test if you haven't had sexual contact for 5 years? And would the same test always remain falsely negative?
Mark Holodniy, M.D., F.A.C.P., C.I.C.

Response from Mark Holodniy, M.D., F.A.C.P., C.I.C.

Stanford University, School of Medicine
Depending on the specific test performed, a syphilis test could be positive for life, even after having been exposed years ago or treated some time in the past. Read more »

hemolytic anemia

Dear Dr. I am HIV+ since 03/2003, HIV acute infection hospitalization on 01/03 and indeterminate Elisa in Feb. Last week I was diagnosed with an autoimmune hemolytic anemia, no cause has been found yet. The tests for G6PD deficiency came back...
Robert J. Frascino, M.D.

Response from Robert J. Frascino, M.D.

The Robert James Frascino AIDS Foundation
Hello CE,Im glad you are working with a hematologist. Additional studies are definitely warranted to determine the cause of your hemolytic anemia. I agree that despite the prevalence of red blood cell autoantibodies in those of us that are... Read more »

Syphilis Positive

Dr.I am a gay man that tested positive for syphilis. During that same time I tested negative for HIV. I am allergic to penicillin so I had to take doxcycline (SP). Because we were uncertain of what stage of syphilis I had we went for a fairly large...
Robert J. Frascino, M.D.

Response from Robert J. Frascino, M.D.

The Robert James Frascino AIDS Foundation
Hello,If you did not have a repeatedly reactive (positive) ELISA test before running a Western Blot test, your Western Blot result is not reliable. There is a 2% rate of false-positives and a 4% to 20% rate of indeterminate results with Western Blot... Read more »
The Well Project

Did You Just Test HIV Positive?

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AIDS InfoNet

HIV Testing

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AIDS InfoNet

Telling Others You're HIV Positive

What Are the Issues? General Guidelines Special Situations Getting Help What Are the Issues? When you test positive for HIV, it can be difficult to know who to tell about it, and how to tell them. Telling others can be good because: ... Read more »
AIDS InfoNet

HIV Resistance Testing

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Connect With Others

I tested Positive, My boyfriend didnt, False positive?

Posted by ruraltgwoman, 1 Reply
I tested positive for HIV on 12/10. My boyfriend just got his results back today 12/21. His results came back negative. We have been having unprotected sex for the last 4 years and have been together for 5. I have only been wih him during that... Read more »

Am I Infected

Posted by delhiguy, 3 Replies
I am 30 YO guy. Worried that I may have got infected. I met this friend of mine on 5th of Dec 2010 which was just a causual meeting after 5 years. After having drinks she started touching me and I got aroused and we end up mating. While in act, she... Read more »

hiv test

Posted by nomoreworry4me
Search | My Home | Who's Online | FAQ | Log Out | User List | Mark All Read Bulletin Boards >> Am I Infected? Previous Index Next Flat Threaded Anonymous Unregistered Re: Porn Stars Get HIV ... Read more »

Just Positive

Posted by bosco_anaconda, 7 Replies
Hey - So far this has been a life changing month. On January 11, 2008 I found out I an HIV after taking a test during a routine yearly physical. Talk about dumb luck, I almost didn't have the test since I felt great and didn't have any problems what... Read more »