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Doctor insights on: Allergy Testing

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How can allergy testing work?

How can  allergy testing work?

Skin prick testing: There are several ways to do skin testing, but this is how it's done in my office: https://www.Youtube.Com/watch?V=rv29bqdpaoc&list=uuhbdgetayj63q1tsyr1yykg&index=9. ...Read more

Dr. Paul Carter
175 doctors shared insights

Allergy Tests (Definition)

Allergies can be identified by allergy tests. The best allergy test is a skin test. It is safe and reliable. The next best allergy test is a blood test - less reliable than skin tests but also safe. If we are looking into food allergy then a challenge test is very reliable but ...Read more


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Does allergy testing detect all allergies?

Does allergy testing detect all allergies?

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

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How can I avoid complications from allergy testing?

How can I avoid complications from allergy testing?

Minimal: Typically there are no significant complications to allergy testing. It is best if a patients asthma is in good control before allergy testing and they should be off antihistamines for several days to be sure that the test indicates all of their allergies. Antihistamines interfere with the ability of the test to show a positive result. ...Read more

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How and where does a allergy testing happen on your body?

How and where does a allergy testing happen on your body?

Allergy Testing: It can done on the upper arm, or on the upper back. Tiny amounts of the substances being tested are injected/pricked/or scratched into the skin and the response of the skin is measured to assess for the presence of sensitivity. ...Read more

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Does allergy testing detect all your allergies or just a few?

Does allergy testing detect all your allergies or just a few?

Wrong question: A better approach is to state your symptoms. Then your dr can begin to help define & then relieve these symptoms. Allergy testing is of very limited use towards finding the best treatment. ...Read more

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Could a person get allergy testing done more than once in their lifetime?

Could a person get allergy testing done more than once in their lifetime?

Depends: If symptoms continue, something exists to set them off. If you live in the same place with very little change in life style, you should check in with your pcp or allergy specialist. Any large change in life style may bring on a whole new set of triggers and may deserve a new panel of testing. Best understood by seeing allergy specialist. ...Read more

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Allergy testing tomorrow afternoon, so must I stop all allergy meds today?

Allergy testing tomorrow afternoon, so must I stop all allergy meds today?

Yes: In reality, most allergy medications need to be stopped 48 to 72 hours before testing. This applies especially to antihistamine treatment. Some stomach medication, like ranitidine, famotidine, and Cimetidine also need to be held for 72 hours as they can interfere with testing too. ...Read more

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What is the benefit of going through allergy testing and getting injections?

What is the benefit of going through allergy testing and getting injections?

Help you feel Better: The first step in treating allergies is to be tested ..Usually on the skin. This helps figure out the cause(s). Then treatment (including avoidance or lessening exposure) can be done. Allergy shots are very effective when the above doesn't help enough. Being tested doesn't mean you need to get shots. ...Read more

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Does intradermal allergy testing hurt and are there risks associated with it?

Does intradermal allergy testing hurt and are there risks associated with it?

Yes, safe: Under the supervision of trained professionals, intradermal skin testing is safe. Allergen concentrations are relatively low, but should be selected appropriately and with thought. There is the small risk of having a systemic reaction, but reactions generally result only in local itching and swelling at the site of testing. Pain is what would be expected with skin insertion of a small needle. ...Read more

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I have to go for allergy testing tomorrow. What happens to me during and after?

I have to go for allergy testing tomorrow. What happens to me during and after?

Allergy testing: There are several different kinds of allergy testing. One is a simple blood draw....Takes a few days to get results back, the others are via skin testing......You likely have avoided anti-histamines like loratidine and ceterizine. These tests can take up to an hour, but results are know right away. Your arm will have some reddish bumps if you are allergic, these will decrease in a day or so. ...Read more

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Do you have allergies to tiny amounts like in allergy testing if first exposure?

Exposure required: Previous exposure to the allergen or at least a very similar allergen is required to have a reaction to subsequent exposures. This is because your immune system begins making allergic (ige) antibodies after your initial or sensitizing exposure making a reaction possible on later exposure. ...Read more

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I have to go for allergy testing tomorrow. What happens if I have a really major reaction?

I have to go for allergy testing tomorrow. What happens if I have a really major reaction?

Allergy Testing: Allergy testing is designed to cause a small skin reaction, but rarely ever causes any other symptoms. You have very very minimal chance of a "major" reaction. Only itching where the test is placed. This can be treated with topicals and an oral antihistamine and resolves fairly quickly. ...Read more

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Is there such a thing as allergy testing for migraines?

Is there such a thing as allergy testing for migraines?

Migraine & allergy: Great question, actually. A large number of people have migraines (up to 10%), and even more have allergies (25%). Migraines and allergies each have their own triggers. So we don't generally do allergy tests for migraine patients' headaches. But, a migraine sufferer who also has allergies should have them treated, because they can aggravate migraines and decrease quality of life significantly. ...Read more

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Cost of food allergy testing?

Cost of food allergy testing?

Can't really answer: The cost of food allergy testing will vary depending upon what is tested for, how it is tested ( skin test vs blood work) and how many tests are done. ...Read more

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Is food allergy testing accurate?

Is food allergy testing accurate?

Sort of: Food Allergy is diagnosed by taking a thorough history and then confirming the history through skin and/or blood test. Random skin and /or blood test for food allergy in the absence of appropriate clinical history is not very accurate. ...Read more

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Is allergy testing on skin safe?

Is allergy testing on skin safe?

Yes: but only when the proper precautions are taken. For example, one should be tested to the prick method first before intradermal skin testing is done if the prick test was negative. Even then , anaphylaxis may rarely occur. Is it 100% safe? Nothing is. Is it 99% safe, yes when done by a board certified allergist/ENT. ...Read more

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What doctors will do allergy testing?

What doctors will do allergy testing?

Allergists: The best physician to seek out is a board certified allergist. This physicians will have completed 2-3 years of specialized training in allergy. Unfortunately today many unscrupulous individuals will skin test anyone but they dont have the expertise to understand what they are testing for and what the results mean. ...Read more

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Is allergy testing safe for a 4 month old?

Yes: Prick skin testing is a safe and benign procedure performed by a certified allergist and can be done at any age. ...Read more

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Does naturopathic allergy testing work well?

Does naturopathic allergy testing work well?

Buyer be ware.: There are many practitioners out there that are doing things that they call allergy testing that don't have any basis in science or reality. Be sure you see a board certified allergist for evaluation for allergy to be sure you are getting the best possible care! ...Read more

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Dr. John Chiu
2,586 doctors shared insights

Allergies (Definition)

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