Doctor insights on:
Tests For Dermatographism
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 moreSee 1 more doctor answer
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
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
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 moreSee 1 more doctor answer
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
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 moreSee 1 more doctor answer
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
Dr ordered blood allergy tests, but i've read these tests are unreliable. if they show food allergies should i believe it? skin testing is negative.
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
Testing for multiple system atrophy?I know some tests include ttt/sweat test/blood pressure monitoring/qswet and catacholomine testing but what else can be used to test for msa?Any other helpful 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
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
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 moreSee 2 more doctor answers
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 moreSee 2 more doctor answers
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 moreSee 1 more doctor answer
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!!
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 moreSee 1 more doctor answer
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