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Doctor insights on: Tests For Dermatographism

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Are RNA tests accurate for testing for HIV?

Are RNA tests accurate for testing for HIV?

Yes, but...: The HIV RNA tests are checking for the presence of certain parts of HIV. When positive, it can give us an idea of how much HIV is present. Most of the time, when positive, it highly suggests HIV infection. However, in rare instances, there can be false positive tests, which mean that a positive test may represent something else, not HIV. Thus, the best test for HIV is a standard HIV antibody test. ...Read more

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What are the tests for urticaria?

What are the tests for urticaria?

Multiple: There are many because the causes of urticaria are many. Some of the tests are actually physical stimuli (temperature, vibration, etc). Most others will involve skin prick or blood testing: cbc, cmp, ana, esr, crp, tsh, food ige, total ige, just to name a few... This is generally very low yield though. A good allergist will help you sort through all the options. ...Read more

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What tests are done to check for celiac? Stool test. Blood test? Specific test?

What tests are done to check for celiac? Stool test. Blood test? Specific test?

Several available: You can go through a two stage screening process.Celiac disease is an exaggerated form of gluten intolerance and may be suspected based on blood tests: elevated ttg-iga, if IgA deficient - ttg-igg.If the blood tests are suggestive an intestinal biopsy to study the cell changes is confirmatory. ...Read more

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Can bronchoprovocation tests only check for asthma?

Can bronchoprovocation tests only check for asthma?

Depends...: Bronchorovocation tests actually test for bronchospasm which can be present in other diseases besides asthma. Other diseases include some sinus diseases, cystic fibrosis, copd, etc. So, if the test is positive for the presence of bronchospasm, your doctor still needs to consider the whole clinical picture to make the correct diagnosis. ...Read more

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Can bronchoprovocation tests only check for asthma?

Can bronchoprovocation tests only check for asthma?

No : Bronchoprovocation test like a methacholine challenge or mannitol challenge check for bronchial hyper reactivity. However there are only a few diseases that would cause a positive test -- e.g. Asthma, cystic fibrosis, congestive heart failure, allergic rhinitis. Interpreted in the right clinical setting one's doc can figure out the correct diagnosis. ...Read more

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Are skin prick tests accurate for food allergies?

Are skin prick tests accurate for food allergies?

Yes, helpful: I agree. Skin prick testing to evaluate for food allergies can be very helpful, and can help direct dietary restriction. It is always used in clinical context to support an adverse reaction to a food. The size of the reaction will indicate the likelihood of an adverse reaction and not if you will have anaphylaxis. ...Read more

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What are tests for lupus?

What are tests for lupus?

See details.: Start with an ana. If that is positive check for dna, ena, ssa and ssb antibodies. If the ANA is negative, i strongly suggest that no other tests be done. ...Read more

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Is there an allergy prick test for eczema?

Is there an allergy prick test for eczema?

No: Eczema is diagnosed by examining the patient and taking a history. Allergy prick testing may be helpful in treating eczema, but is not necessary. Allergy testing by skin prick or blood test always needs to be interpreted with careful attention to the patient's history and symptoms. For example some patients may test mildly positive for milk allergy, but can drink milk every day without problem. ...Read more

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Need help with diagnosis: autoimmune condition, what test panels are best for first screening?

Need help with diagnosis: autoimmune condition, what test panels are best for first screening?

Which condition?: Different autoimmune diseases have different work-up protocols. This would depend entirely on what is being considered in your case. More information, please. Thanks. ...Read more

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How can doctors test for autoimmune disease? Are there specific tests?

How can doctors test for autoimmune disease? Are there specific tests?

Autoimmune Disease: When you have an autoimmune disease, your body produces antibodies against some of your own tissues. Diagnosing an autoimmune disease involves identifying the antibodies your body is producing. Tests may include: antinuclear antibody tests, autoantibody tests, complete blood count (cbc), c-reactive protein (crp), erythrocyte sedimentation rate (esr). ...Read more

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When are allergy tests indicated for a person?

When are  allergy tests indicated  for a person?

Allergy questions: Allergy tests are useful if you have questions about what you are allergic to and the answers will help improve your quality of life. They help guide avoidance measures and determine what immunotherapy options might be helpful in treating you. Sometimes, as with penicillin testing, they are most useful by telling us we don't have to avoid something any longer, we can add back things we feared. ...Read more

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What tests are done to confirm CNS lupus?

What tests are done to confirm CNS lupus?

Clinical assessment: Clinical assessment is most important. Mri and spinal fluid examination may be of value, but of course it is critical to assure that it is related to infection or thyroid disease. ...Read more

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What tests are necessary for an MS diagnosis?

What tests are necessary for an MS diagnosis?

MRI is required: The diagnosis of ms can be made by history, examination, and mri, under the new 2010 mcdonald criteria for the diagnosis of multiple sclerosis. Your doctor may need additional testing such as optical coherence tomography, a procedure that evaluates the thickness of the optic nerve, but this is not mandatory. Spinal taps are not as common as in the past. ...Read more

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Is immunicap testing reliable for allergy in kids with severe excema? He already did skin prick and blood tests for specific allergies

Is immunicap testing reliable for allergy in kids with severe excema?
He already did skin prick and blood tests for specific allergies

Helps some: All allergy related tests have benefits & limitations. Any finding of an elevated IgE response to a particular food is worrisome and worthy of excluding that food. Elevated IgG levels to foods do not always correlate with the kids actual responses to that food. This or other tests can provide a guide to your food selections so you can eliminate candidate foods & see if it makes a difference. ...Read more

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What specific blood tests should be ordered for skin crawling feeling?

What specific blood tests should be ordered for skin crawling feeling?

No specific tests: There are no specific blood tests for the symptom you stated. You should consult your doctor for an evaluation. ...Read more

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I tested positive for lupus and negative for rheumatoid arthritis. How accurate are these tests?

I tested positive for lupus and negative for rheumatoid arthritis. How accurate are these tests?

Tests are accurate: If you have the right tests theses are quite accurate.You should discuss with your doctor who ordered the tests, because he knows your clinical history and will be able to explain the results to you.I can not answer without knowing the tests which were done. ...Read more

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What is considered a positive result for the SM antibody for SLE? My Ana 1:320 but DNA was negative. So many blood tests for SLE diagnosis!!

What is considered a positive result for the SM antibody for SLE? My Ana 1:320 but DNA was negative. So many blood tests for SLE diagnosis!!

SLE: hi, diagnosis of SLE is not base on blood test, positive DsDNA and ANA are just one out of 11 criteria for diagnosis of SLE, to diagnose SLE you need to have 4 out of 11 criteria. ANA is a non- specific test and false positive rate is high, especially in women and elderly. ...Read more

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Bloods taken at clinic, sent off to lab and then a few days. Negative. Do these tests look for antigens? For HIV

Bloods taken at clinic, sent off to lab and then a few days.  Negative. Do these tests look for antigens? For HIV

Not necessarily: The laboratory will only test the blood for the items ordered by your doctor. If an HIV test is not ordered, the lab will not test for HIV. If you have any concern, you may ask your doctor for the HIV test. For good health - Have a diet rich in fresh vegetables, fruits, whole grains, low fat milk and milk products, nuts, beans, legumes, lentils and small amounts of lean meats. Avoid saturated fats. Exercise at least 150 minutes/week and increase the intensity of exercise gradually. Do not use tobacco, alcohol, weed or street drugs in any form. Practice safe sex. Get HPV vaccine. ...Read more

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