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Doctor insights on: Donor Rapid Plasma Reagin Rpr

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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. Amanda Itzkoff
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 does a reactive RPR test mean?

What does a reactive RPR test mean?

See your doctor: A reactive RPR may mean that you have an infection with the organism that causes syphilis (t. Pallidum). You may need to have additional testing to confirm. If you're infected, you will need to take medication to treat it. ...Read more

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What does a non reactive RPR test mean?

What does a non reactive RPR test mean?

No syphilis: Individual who tests negative on RPR syphilis screening does not have syphilis or has not had one in recent years. ...Read more

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Serology tests, what do you mean by rpr?

Serology tests, what do you mean by rpr?

RPR = syphilis test: Rpr (rapid plasma reagin) is a test usually done to screen for the presence of antibodies produced in response to the organism that causes syphilis (t. Pallidum). A negative test usually means that you don't have syphilis. A reactive RPR may indicate infection. ...Read more

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What does RPR reactive syphillis test mean?

What does  RPR reactive syphillis test mean?

Suggestive of ...: Positive RPR test suggests the host has or had syphilis but definite diagnosis requires a confirmatory test. A number of different medical conditions can cause false positive RPR 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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Does RPR test can detect HPV ?

No, it doesn't: The RPR test is designed to detect syphillis. Hpv cannot be detected in a blood test: you need a sample of cervical/vaginal cells to detect cervical "infection" with hpv. ...Read more

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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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Rpr test weak reactive. Does it mean I have syphilis even i don't have symptoms?

Confirmatory test: You need to have a confirmatory test (sometimes called an fta) to tell the difference between a false postivite test, which is common, and a true infection. ...Read more

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Are RPR tests accurate for a negative result? It's been 2 years since unprotected sex

Are RPR tests accurate for a negative result? It's been 2 years since unprotected sex

Blood testing in U.S: To have any blood test in the U.S. There are significant rules about the sensitivity and specificity of the test. If you are negative and it is two years since exposure you are negative. Please move on. Your family and your friends are ready for the obsession to stop. ...Read more

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I had a RPR test done 2 years after unsafe sex. It come back negative. Is this accurate?

I had a RPR test done 2 years after unsafe sex. It come back negative. Is this accurate?

Generally speaking..: Generally speaking there are more problems with the RPR being falsely positive than being falsely negative. Even though it would be uncommon to have a false negative result you should discuss with your doctor other risk factors to determine if follow up testing is necessary. ...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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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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Rpr tests are accurate when it comes to a negative result aren't they? It's been 2 years since unprotected sex. I know i'm worrying for nothing

Rpr tests are accurate when it comes to a negative result aren't they? It's been 2 years since unprotected sex. I know i'm worrying for nothing

Worrying for nothing: But, miss, your worrying for nothing is taking time away from real medical problems on this site. Please stop asking the same question. I think I have counted over ten times asking the same question. That is offensive, bothersome and rude behavior. The answers are not changing. Perhaps it is time to get yourself to a psychiatrist to figure out why you feel it is appropriate to be so paranoid. ...Read more

Plasma (Definition)

It is the fluid portion of both the blood and lymph system in which the ...Read more