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Doctor insights on: Causes Of Rpr Positive

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Hello Dr. is an RPR test and HIV 4th Gen ab ab 1/2 test conclusive at 14 weeks. thanks?

Hello Dr. is an RPR test and HIV 4th Gen ab ab 1/2 test conclusive at 14 weeks. thanks?

Yes, conclusive: Both tests are 100% conclusive at that time -- in fact, much earlier. That HIV test is conclusive at 4 weeks and RPR at 6 weeks. ...Read more

Dr. Walter Husar
69 doctors shared insights

Rpr (Definition)

Rapid plasma reagin (rpr) is a blood test that looks for non-specific antibodies that may indicate that the organism (treponema pallidum) that causes syphilis is present. The term "reagin" means that this test does not look for antibodies against the actual bacterium, but rather for antibodies against substances released by cells when they ...Read more


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After a 8 year exposure and a 12 month exposure I just got tested for std rpr and hiv duo @ 1 3 6 12 mos and fta abs at 12 mos is it conclusive?

After a 8 year exposure and a 12 month exposure  I just got tested for std rpr and hiv duo @ 1 3 6 12 mos and fta abs at 12 mos is it conclusive?

No syphilis or HIV: For sure you don't have HIV or syphilis, no worries. You have been seriously over tested. The HIV duo test is conclusive any time 4 weeks or more after exposure, and the RPR syphilis at any time 6 weeks or more. YOu didn't need an FTA-ABS test, and all HIV tests beyond for weeks were wasted money. You also should have urine or vaginal swab tests for chlamydia and gonorrhea. ...Read more

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What causes a false positive rpr?

What causes a false positive rpr?

Lots of things: Having lupus, being middle-aged or elderly, lyme disease, or just dumb luck. Some say even pregnancy can do it. Glad it was a false-positive -- syphils is still a real nuisance. ...Read more

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Can psoriasis cause biological false positive syphilis (RPR)? can I have BFP syphilis and have nothing wrong with me and never get autoimmune disease?

Can psoriasis cause biological false positive syphilis (RPR)? can I have BFP syphilis and have nothing wrong with me and never get autoimmune disease?

Yes: Autoimmune conditions such as psoriasis can cause false positive tests for syphilis but is is more common in patients with lupus than psoriasis. As there are other possible causes for a false positive test, I would not assume that it is the psoriasis. ...Read more

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False RPR test what cause them?

False RPR test what cause them?

Syphilis Testing: I am very curious by your question. It is difficult to have a false positive for syphilis so i would make sure that you are getting the right information and that a follow up test is scheduled. Latent syphilis can have deadly consequences so making sure you are un-infected is paramount. You may be interested to know that syphilis can be contracted by skin to skin, saliva and blood and semen. ...Read more

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Should i get retested for syphilis if my RPR test came back positive?

Should i get retested for syphilis if my RPR test came back positive?

Absolutely: If whoever tested you is on top of things, you've already been advised to have a more specific test. ...Read more

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Asked yesterday but question was not really answered. Which comes positive first for syphilis RPR or cia?

Asked yesterday but question was not really answered. Which comes positive first for syphilis RPR or cia?

CIA?: An appropriate syphilis test involves two stages: the RPR is done FIRST- if positive, a confirmatory test such as an "FTA-ABS' or an "EIA for TPA" must be done. The 2-stage test is more cost effective and decreases the number of 'false positive' results. Discuss this important question further with your ordering doctor. ...Read more

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What kind of syphilis test would become positive first, RPR or cia?

What kind of syphilis test would become positive first, RPR or cia?

Need two tests: Generally two tests are needed to confirm diagnosis of syphilis, one VDRL/RPR and one specific antibody like MHTP. See this site for more info. http://www.webmd.com/sexual-conditions/syphilis-tests ...Read more

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What can cause a false negative from a HIV 4th Gen combo and RPR for Syphilia?

What can cause a false negative from a HIV 4th Gen combo and RPR for Syphilia?

Nothing: There is no such thing as false positive for the HIV 4th generation test. If result is positive, you have HIV. False positive RPR is quite common, but usually no important health problem. But I wonder if you are confused about terminology? If results are negative, your question should be about false negative results. If neg results at more than 4-6 weeks, you don't have HIV or syphilis. Period. ...Read more

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Will tremponal tests (eia, ClIA ) become positive before non tremponal tests (rpr,vdrl)?

Will tremponal  tests (eia, ClIA ) become positive before non tremponal tests (rpr,vdrl)?

It can happen: Revised reply: disregard earlier one if you saw it. At first I misunderstood the question. The newer TP specific IgG/IgM tests (EIA etc) and RPR/VDRL have similar seroconversion times, typically 4-6 weeks. The IgG tests often are positive first, but exact frequency of this isn't yet known -- more study needed. Apologies again if any confusion from earlier reply. ...Read more

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My RPR test was a positive with a titer 1:1 for syphilis. What does that mean? Is that bad?

My RPR test was a positive with a titer 1:1 for syphilis. What does that mean? Is that bad?

Syphilis testing: All syphilis is "bad": it is a very dangerous infection, even if causing no symptoms at this time. However, low positive results might indicate you were treated without knowing it, e.g. if you received certain antibiotics for other infections. Or it might be a false positive test, so confirmatory testing is needed. Discuss w/ your doctor, or best to see an STD or infectious diseases specialist. ...Read more

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I was tested for syphilis. RPR was pisitive(1:1) and TPPA was negative. Does in mean i am infected?

Syphilis: Probably not. The RPR is a screening test which is very sensitive but not as specific, so that you can have false-positive results. The TPPA is far more specific and used to detect the RPR positives that are falsely positive. ...Read more

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How could prevent the bacteria that cause your RPR reactive?

How could prevent the bacteria that cause your RPR reactive?

STD: Reactive RPR, if confirmed indicates syphilis infection and it would be too late for prevention. You would need to get treated for syphilis. Practicing safe sex would reduced the risk of acquiring syphilis. ...Read more

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Good day doctors! does it possible that RPR test can be positive result if I have an hpv?

Good day doctors!  does it possible that RPR test can be positive result  if I have an hpv?

No: Hpv will not cause a false positive RPR test. But there are many possible causes of false RPR tests so in all cases we run a confirmatory fta test. ...Read more

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I have had multiple consultation about wife's false positive RPR (negative confirmatory by Chemiluminescence and the negative tests she too via RPR and eia 2 weeks later...6 weeks since our last sex. Is she and baby really ok? How do I move forward...

I have had multiple consultation about wife's false positive RPR (negative confirmatory by Chemiluminescence and the negative  tests she too via RPR and eia 2 weeks later...6 weeks since our last sex. Is she and baby really ok? How do I move forward...

Consult her OBGYN: The best way to track your wife's health and the baby's too is to work closely w/ her OBGYN as the pregnancy proceeds. Inform the doctor of the syphillis issue concern and correction and plan together the best way to protect all of you. It's wonderful that you care and that can be a good indication that you'll all do well. Call the OBGYN ASAP for an appointment. Best! ...Read more

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What is the definition or description of: vdrl/rpr positive for syphilis?

Syphilis: Vdrl and RPR are two nonspecific tests that are used to screen serum for syphilis. They are not diagnostic tests because they can be fooled by blood components other than actual syphilis. The test is usually used for general screening of patients without lesions. If the test is positive, it should be followed by a more specific test such as fta-abs. Please talk to your md. They can easily answer. ...Read more

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My bloodwork says RPR is reactive &RPR quant is 1.1, wbc averages 12.2 for years. Haven't had partner in 5yrs could anything else cause these results?

My bloodwork says RPR is reactive &RPR quant is 1.1, wbc averages 12.2 for years. Haven't had partner in 5yrs could anything else cause these results?

RPR: Why did the doctor order an RPR? Routine screening for asymptomatic individuals not at increased risk for syphilis is not recommended. A 1:1 titer is extremely weakly positive. False positives can be caused by pregnancy, acute febrile illness, chronic liver disease, IVDA, lupus, HIV, or recent immunization. If your doctor is concerned about syphilis, he can order a confirmatory treponemal test. ...Read more