Doctor insights on:
Allergy Scratch Test
Yes: Skin allergy testing can check for number of allergens. These include environmental and food allergens. ...Read more
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
No: Appropriate allergy testing is guided by the patients history and physical examination. Based upon this one's allergist will make a decision what to be tested for. The test, particularly for outdoor allergens is based upon the common allergens is that particular agricultural zone. Does this mean that all allergens will be tested no. ...Read more
Allergy skin test: Allergy skin tests in the hands of a trained allergist are very helpful in determining the most likely causes of allergy symptoms. No test is perfect, and sometimes allergy tests can miss allergies and sometimes they can cause them to be overdiagnosed. That's why you need a doctor to take your history and interpret the test together with all the information about your symptoms and activities. ...Read more
Easy: Skin testing for pollen allergy entails: cleaning the skin with alcohol, number the skin to keep track of the different allergens tested, a "prick" with skin test device that has a drop of the allergen on the tip and then waiting 15-20 minutes to see if a reaction occurs. The skin test feels like a mosquito bite it is really quite painless. ...Read more
Skin prick allergy test with green duo tip. D.pteronyssinus=Wheal:7,Flare:15(mm);D.Farinae=Wh:6,Flare:15.How mild/moderate/severe my dust allergy is?
With direct contact: Cat and dog allergy causes eye, nose and asthma symptoms and these symptoms usually develop before itchy skin. Direct contact with your pet is required to cause itchy skin and then you would see redness and possibly hives at the contact site. If your pet spends a lot of time on your bed or sofa and then you lie on it, you could develop itchy skin. ...Read moreSee 1 more doctor answer
Allergy testing: Only physicians trained in the specialty of allergy, asthma ; immunology are trained in a monitored situation during residency to perform skin testing for ige-mediated allergy. Some ENT programs are adding this to their training. If you were skin tested by a non-specialist, consult a specialist, if you were skin tested by an allergist, it is likely that you are unusally allergic. ...Read more
Does desensitization vaccination works for allergic asthma?I got positive skin prick tests for 4-5 allergens....
Yes: It is effective about 80% of the time. However I'd doubt that getting allergy shots for 4-5 allergens would work for you since most people are allergic to dozens of airborne allergens except in the case of occupational exposure. ...Read more
Borderline: Depending on your history and symptoms, some results can be significant, other not. Your allergist should advice you best. ...Read more
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
Nearly everything: Immunocap ige is the most commonly employed method to test allergy after allergy skin testing. It can be tested to nearly all allergens available. Blood test for allergy is meaningful when strongly positive but has a high false-negative rate when compared to allergy skin testing. The allergens used in the blood testing are often different from those used in allergy skin testing. ...Read more
If food allergy prick test is negative (mild redness) and blood rast test negative is it mean you are not allergic to foods?So y get reaction to foods
Not 100%: If both tests are negative, the chance of being allergic to that food is very very small. However when the history of a food allergy is strong, and the tests were negative, i often ask the patient to bring in the fresh food for the testing instead of relying on commercial food extracts. If the person is still quite concerned over it a challenge test can be done at the office. ...Read moreSee 1 more doctor answer
Nothing is perfect: No test is 100% reliable - neither skin testing nor blood testing. That's why allergists try to order relevant tests selected based on a comprehensive medical history and physical examination. The results must be interpreted & used as clues to a solution. They're not an answer in themselves. I'm frequently called by doctors who order allergy tests & then want me interpret them over the phone. ...Read moreSee 2 more doctor answers
Flushing reaction after eating foods,no commonality yet,throat weird.Mastocytosis negative,blood allergy test neg, food allergy on back neg.What is it?
Yes but: A positive reaction only means sensitization and not necessarily a disease condition. This is just like getting a blood cholesterol test- the higher the number, the more likely (but not certainty) that you will have cardiovascular disease. The only definitive way to confirm it is with a food challenge at the allergist's office. ...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
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