Doctor insights on: Syphilis test
Yes: Testing for syphilis can sometimes be a complicated process which requires expert interpretation. Unfortunately there is no test in medicine which is 100% accurate 100% of the time. A false negative syphilis test may occur within the first 2 weeks after the common syphilis ulcer appears. Patients with immune disorder such as HIV and aids may also test falsely negative for syphilis. ...Read more
I have read on health tap that 6 weeks is good for a syphilis test, mine done at 39 days instead of 42....still valid?
Your question: If test is positive it is valid. If negative should be repeated in two weeks ...Read more
I have had 2 syphilis test done. 1 at 22 days and one at 6 weeks. Both non reactive. Should I test again or should I not worry anymore?
Stop worrying: 6 week negative test means UR free & clear. ...Read more
Is a syphilis test accurate after just about five years after last exposure? Can syphilis disappear before then? Shold I still be woried? Nontreponemal?
I have read on that 6 weeks after a possible exposure is good for a syphilis test, mine was done at 39 days instead of 42. Still valid? 3 days matter?
Here are some. ..: Generally speaking the number or values as quoted in the literature are so-called normal "range" to cover some 95% of cases and should be used as references of daily medical practice and living, not at 100% like machine. In practice, it's good idea to combine high vigilance and keen diligence to assess history, practice safe sex, and rouse professional alertness so to test timely - not rigidly. ...Read more
Only a screening tst:
A weakly reactive syphilis test or RPR test is a screening test. Syphilis and other things can cause this test to be positive. The definitive test is the FTA, or Flourescent Treponemal Antibody test. This is specific for Syphilis and if this is positive then you have the disease. ...Read more
Syphilis is caused: By a bacterium called treponema pallidum. Syphilis can be diagnosed by finding non-specific antibodies in the blood (rapid plasma reagin or rpr), examining for bacteria in samples from open sores under a microscope (primary ; secondary syphilis) or in some cases examination of cerebropsinal fluid via lumbar puncture. ...Read more
Can 1g azythromycin taken 10 days after exposure give a "false" negative" syphilis test at 3 month test?
No: This should not cause a false negative ...Read more
Syphilis is a sexually transmitted disease caused by a bacteria called Treponema pallidum. It is not related in any way to Hepatitis B (which is a virus). Both are sexually transmitted, however.
The tests for these two diseases are very different, and Hepatitis B will not be shown on a test for syphilis. You list that you already have Hepatitis B, so I am assuming you've been tested. ...Read more
Need expert advice. After sex, how long should you wait until you get a syphilis test to make sure the virus has already shown up?
Early syphilis: Initial syphilis manifests on the average of 21 days as a painless ulcer in mucosa/genital areas... If this lesion was missed becuase the ulcer is normally painless I would get the test in 2 months. That being said, I would also get a test for other sexually transmitted diseases like hepatitis C and B and HIV. Syphilis is a spirochete -- a type of spiral-shaped bacteria and not a virus. ...Read more
Wb indicating protein 41 active. I read its a lot of controversy about p41.Dfm showed spirochetes and gemmas. Syphilis test negative. Is it lyme?
Be skeptical: Lyme disease is not transmitted sexually, but through bites from infected ticks. Diagnosis using western blot is complicated and requires review of the entire blot and assessment of your other symptoms and risks. Dfm reliability is dependent on the person doing it, and may be manipulated in an attempt to sell you unproven or even dangerous treatments for lyme disease. ...Read more
If I had unprotected sex in beginning or end of October and got a HIV test and syphilis test at the beginning of Jan would it be an accurate result?
If my blood test is reactive for syphilis both on the RPR and fta-abs lab tests should I get another blood test to confirm?
No: That is how the diagnosis is made. You should get treated. ...Read more
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