Doctor insights on:
What Does A Class 3 Allergy Mean
High level allergy: When food allergies are evaluated by blood tests, the amount of allergic antibody (ige) against a particular food is quantified and a classification is assigned. The higher the class, the more antibody was found against that food. Class 0 has little or no ige detected while class 6 means very high levels were found. Most allergists feel class 3 or higher indicates significant allergy. ...Read moreSee 1 more doctor answer
Allergies occur when your immune system is triggered by envirionmental factors it should ignore--for example, pollen in the air, or dander on a cat or dog--and creates cells to fight against them. An allergic reaction typically causes itching, congestion, or drainage, and ...Read more
Moderate RAST result: Dr. Shulan is correct: type 3 immune reactions involve igg & antigen. "class 3 allergy" may also refer to rast, a blood test for detecting ige against antigen. For convenience labs define from 5 to 7 levels. Class 2 is often borderline & class 3 low positive. But positive is positive. There is little significant difference between class 3 & class 6. Photo: dr & dr ishizaka, discoverers of ige. ...Read moreSee 2 more doctor answers
History is more imp: Not really sure what is meant by this. For food allergy the most important aspect in making this diagnosis is the patient history and what type of reaction occurered. Then food allergy skin test or blood test are done to confirm the history. The level of positivity on these tests are not really predictive of the type of reaction one could have. ...Read more
What does it mean if I'm non reactive for hepc and the HCV signal to cutoff: 0.4 what does that mean Why is it 0.4 if I'm nonreactive wouldn't it be 0?
No: This is the nature of immunoassays. It's not counting sheep in a pasture; it's 21st century deep electronic technology stuff. And I'll admit it's often confusing. There's background noise that produces the 0.4. Best wishes. ...Read more
Gluten sensitivity: Gluten sensitivity or celiac disease is the term describing a GI condition in which the individual is sensitive to gluten, which is present in wheat products. Fortunately now there are more and more products that do not contain gluten, so having a gluten free diet is not as difficult as it once was. ...Read more
Vague terms: That try to describe likelihood. W should use rayios instead, 1 in 1000 is easier go undrstand than rare, unlikely, infrequent and so forth. In your case, unlikely is mkre frequent than rare. ...Read more
When told anaphylaxis is rare what does that mean exactly? How rare of an occurance is it? Like 1:100 or 1:1000 etc etc
50/100k person-years: In a mayo clinic study, a total of 211 cases were identified from 1990 through 2000, which yielded an adjusted incidence rate of 50 cases per 100, 000 person-years in general population - this rate is variable with different medications. ...Read more
Skin prick/lab test: To be checked for allergy, usually you have a skin prick test to introduce a small amount of the allergen into the superficial layer of your skin (often done on your back or forearm). Alternatively, sometimes a blood test is checked instead to check for allergic antibody specific to an allergen (example, milk or dog dander). ...Read moreSee 1 more doctor answer
Does a class 3 allergy require an epi pen? My daughter just got diagnosed with a class 3 peanut allergy.
Need epipen (epinephrine): Numbers do not always correlate well with severity of eventual reaction, so I wouldn't say she's safe because it's only a level 3. For something like possible peanut allergy, I'd discuss/consult with an allergist because this situation could be life or death ...Read moreSee 2 more doctor answers
Lupus erythomatosis.: Antibodies to beta 2- glycoprotein 1 is found in lupus disease, and in a condition called primary antiphospholipid antibody syndrome. This could be of igm or igg class. The relevance of the presence of these antibodies in these conditions in clinical practice is not very clear. The antibody can promote thrombosis. ...Read moreSee 1 more doctor answer
What is : AC anti nuclear test? And it gave me this result : fluorescence positive a 1/320 (finement granulaire) what does that mean ?
What do you advise if I'm reading an article and they used immunoblot. if there is a stain on the immunoblot, does that mean the protein is present?
Peanut allergy: The most serious risk is immidiate allergic responce with swelling of larynx which if not treated can be fatal, and late effects with rash, wheezing and cough are slow to develope and easy to treat.So if you have peanut allergy you carry Epipen (epinephrine) with you all the time. ...Read more
Not much: Percentiles compare us to others at the same age. If we are in the 80th height percentile, then we are taller than 80 out of 100 kids the same age. We grow at different levels sometimes though, and we can be 80th percentile one month and then 30th percentile 3 months later. As long as kids have a progressive gain, they are probably fine. Acute changes should be addressed by your doc. ...Read moreSee 1 more doctor answer
Complete tear: Grade 1 is a mild sprain. Grade 2 is a partial tear, and grade 3 represrents a complete tear with demosntrable instability on exam. Bracing and physical therapy usually work with adequate soft tissue rest (ice , elevation, and limited activity) to allow swollen knee to calm down. ...Read more
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