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Doctor insights on: Autoimmune Diseases False Negative Tst

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Dr. Tracy Lovell
486 doctors shared insights

Autoimmune Disease (Definition)

In auto immune disease the enemy is from with in . As name implies "auto" is self and "immune " is immune system . One 's own immune system for unknown reason turns against self and destroys or damages tissues or cells . List of auto immune disease are many and growing . End result is destruction of of tissues such as thyroid , pancreas or cells such as white ...Read more


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1year post unprotected HIV exposure. 2 false + ELISA 1 w/neg ifa & 1w/ westernblot &naat. Autoimmune disease? Room for concern? Worth investigating?

1year post unprotected HIV exposure. 2 false + ELISA 1 w/neg ifa & 1w/ westernblot &naat. Autoimmune disease? Room for concern? Worth investigating?

HIV: Yes, this is worth further investigation. A common cause for biologically false test results may be autoimmune diseases, syphilis, and other illnesses. If you want to exclude HIV disease would suggest a pcr for HIV rna. Expensive but definitive. Good luck. ...Read more

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18 months post exposure. False positive ELISA HIV test. Negative confirmatories and naat. Do I have cancer? Or autoimmune disease? I rarely get sick.

18 months post exposure. False positive ELISA HIV test. Negative confirmatories and naat. Do I have cancer? Or autoimmune disease? I rarely get sick.

Not enough info...: You described an event and lab work. You did not mention what your problems are. Need this first! but the tests you did get would not rule in or rule out autoimmune disease or cancer! but in the absence of illness or problems, i doubt you have either! ...Read more

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Can you have an autoimmune disease even if every test comes back negative ? They ran a lot multiple times

Auto immune disease: Though unlikely it is possible. There are many tests doctors perform as indicated by clinical features. It is difficult to presume what you ' mean by all tests' as there are numerous tests to evaluate auto immune disease . Many of auto immune disease tests are interpreted in conjunction with your symptoms and what the doctors find in their exams. ...Read more

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What are the negative effects of autoimmune diseases?

What are the negative effects of autoimmune diseases?

Too numerous: The effects are too numerous to mention as autoimmune disease can effect any organ system in the body. Some diseases affect only one or two systems whereas other conditions can affect multiple organ systems. Autoimmune means "immunity against the self.". ...Read more

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Does a negative ANA rule out all autoimmune diseases?

Does a negative ANA rule out all autoimmune diseases?

No.: The ANA test is not perfect. It is positive in some people who do not have an autoimmune disease. Also, there are other tests that are important in checking for some autoimmune diseases. Finally, an ANA test (positive or negative) has to be interpreted along with a patient's clinical symptoms under the guidance of a physician. ...Read more

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Would a +ANA only occur when you have the symptoms of a autoimmune disease. I had ANA test a while back it was neg. Then had another one it was pos?

Would a +ANA only occur  when you have the symptoms of a autoimmune disease. I had ANA test a while back it was neg. Then had another one it was pos?

Other causes: There are a number of conditions that can cause an elevated ANA besides Autoimmunitiy. I could just be temporary. ...Read more

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Does false positive ELISA mean the person has autoimmune disease? Do people ever find out why they get these results?

Does false positive ELISA mean the person has autoimmune disease? Do people ever find out why they get these results?

Need more info: Elisa is an acronym for enzyme-linked immuno-sorbent assay. It is an immunological test that can be used for detection of various antibodies, antigens and certain chemicals. You don't mention what your elisa was positive to. Without that information i can't answer your question. ...Read more

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Neg methacholine challenge but still get winded with activity especially when it is humid. Could autoimmune disease cause these symptoms?

Maybe: Autoimmune Disease encompasses many different conditions some of which may contribute to shortness of breath. An example might be Lupus which can affect the lungs. However, it sounds like you may have exercise-induced asthma which may not have been uncovered by the methacholine challenge. You could undergo a stress test and have your lung volumes measured during exercise. ...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?

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

Autoimmune (Definition)

The immune system developed to tell our own, normal cells (self) from foreign and abnormal cells (non-self). This lets the immune system eliminate viruses, bacteria, fungi and cancer cells from our body without harming normal cells. Sometimes the immune system fails to tell self from non-self and it attacks normal cells, for example in ...Read more