Doctor insights on:
Syphilis False Positive Lupus
I keep get biological false positive syphilis (through rpr) i dont have lupus.i do have psoriasis. can i have BFP and never get autoimmune disease.
Yes: Plenty of folks have biologic false positives and are otherwise completely healthy. ...Read more
I have antiphospholipid antibodies greater than 150, false positive syphilis, positive ana, mouth sores and joint pain. I think lupus? Dr thinks ra.
ANA positive: I see two to three patients per week that have a positive antinuclear antibody (ANA) but do not have lupus. The ANA blood test is very sensitive meaning that if you have lupus, the blood test comes back positive. However, it is not specific meaning that if the ANA is positive, you may or may not have lupus as there are over thirty causes of a positive ana. Normal people can have a positive ana. ...Read moreSee 1 more doctor answer
Does a false positive ELISA mean I have lupus or a the disease? Or could i be healthy and just get these results?
Asked and Answered: Your question has been answered many times already. It is rude and inappropriate to keep asking the same question and ignoring the free and gracious experts who have given of their time and expertise to tell you that you are fully normal, fine and should go live your life. Please come up with something else to ask about or move on. You are HIV negative. Please go live grateful for that blessing. ...Read more
Lupus biopsy: Biopsy of lupus has a number of features that lead to diagnosis: a thickened basement membrane, vacuolar alteration of basal keratinocytes and superficial and deep inflammatory infiltrate. Lupus has a number of different forms in the skin and there are times when it is not easy to differentiate it from other types of skin inflammation. There are other tests to support diagnosis. ...Read moreSee 1 more doctor answer
False positive for Lupus, now positive for HCV, waiting on blood test to confirm. Could HCV cause a false + for lupus?
Can psoriasis cause biological false positive syphilis (RPR)? can I have BFP syphilis and have nothing wrong with me and never get autoimmune disease?
No: Positive is positive. However, it is the degree of positivity that is clinically important. Low positive values are generally not clinically important. ...Read more
I have antibodies that produce positive ANA screening and false positive syphilis screening. What does that mean?
Positiveana elevated rnp, butterfly rash, muscle pain, fatigue. Could this be a false positive or likely mctd or lupus?
See a rheumatologist: Your symptoms and lab are consistent with mctd. You should see a rheumatologist to get a definite diagnosis and talk about possible treatment. This disease requires someone who is familiar with it to determine if you really have the problem or symptoms from another cause. ...Read more
Need further test: False positive RPR may suggest antibodies in the blood that is cross reacting with RPR test reagent. Common antibodies are antiphospholipid antibodies that gives false positive RPR. Lupus is diagnosed based on signs and symptoms PLUS presence of ANA antibodies in the blood. You can ask your MD to check for these antibodies by blood tests. ...Read moreSee 2 more doctor answers
I tested positive for lupus and positive for rheumatoid arthritis. How likely is it that one of the results are false?
ANA and RA: Overlap. See prev answer.Get a more detailed answer ›
If i tested positive for lupus a few yrs ago and now tested 2x positive HSV II but never had sigms of it, could it be false due to autoimmume?
Unlikely false pos: The pain along the strip of skin is more suggestive of an infection rather an autoimmune cause like lupus. With hsv ii, many people think of the presence of a sore, blister or ulcer on the skin; depending on details of the case and the specific test results, symptoms may be absent or the lesion is not in an easily observable site on the skin. Definite discuss your good question with your doctor. ...Read more
I recently had a positive ANA test. My dr tested folupus but it was negative. I have all the symptoms except rash. Can u have a false neg lupus test?
Keep working: Lupus is defined by a series of criteria, of which a strongly positive ANA is one. No specific test turning out negative rules out lupus. Perhaps you were tested for anti-smith(sm), which if positive hands us the diagnosis but is only positive in 1 of 3 patients. Perhaps there is a misunderstanding or you can request consultation. Lupus requires great courage -- will be thinking of you. ...Read moreSee 1 more doctor answer
My wife just tested negative for syphilis but reactive she is 11 weeks pregnant and both of us have been faithful and neither ofof us have had any symptoms is this a false positive?
Maybe,maybe not: The initial screening tests they do for syphilis and many other issues are lower cost tools (few bucks)to find the subgroup of large populations (pregnant ladies) that need the more expensive (lots of bucks) confirmatory test . There are many things that can cause a false positive.The next step would be the confirmatory test that should give you the answer. ...Read moreSee 2 more doctor answers
How common is it to get a false positive for lupus while pregnant. I also have hashimotos got a + double stranded DNA very high ?
My wife has endometriosis and systemic lupus, we took 2 (cheap) pregnancy tests and they both turned out positive. Can lupus or endo cause a false pos?
No.: False positive urine pregnancy tests are rather rare. Some possible causes are operator error, a biochemical pregnancy, or interference with the assay from recent infertility therapy. SLE and endometriosis should not impact the specificity of a urine pregnancy test. ...Read moreSee 1 more doctor answer
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