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Doctor insights on: Tannin Allergy Test

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What's involved in an allergy test?

What's involved in an allergy test?

Blood and skin test: Skin test could be done by a plastic applicators or with needles. A drop of an allergen extract is pricked into the skin and, within 15-18 min., a localized hive will emerge if you are allergic to the extract in question. The reaction will subside in 40-60 minutes. The blood test is drawn at a regular lab and takes a few days to come back. Skin test is somewhat more sensitive. ...Read more

Dr. John Chiu
2,638 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


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What does an allergy test consist of?

What does an allergy test consist of?

Skin / blood test: Allergy testing can be done by skin testing or blood testing. The allergens tested for will be determined by one's history and geographic location (different pollens in different areas of the world). ...Read more

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Please help! What happens at an allergy test?

Please help! What happens at an allergy test?

Relax!: Allergy skin testing has come a long way over the years. The procedure is performed by board certified allergists. It typically takes about 2 seconds to place the test (back or forearm) with results in 20 minutes. A positive test will feel like a mosquito bite. Go to my blog at
:http://www. Familyallergyasthmacare. Com/2012/10/comfortable-allergy-skin-testing/. ...Read more

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What are the steps involved in an allergy test?

What are the steps involved in an allergy test?

Allergy skin test: After the allergist reviews the history and performs an exam the skin test process includes: cleansing the area to be tested with alcohol (back or arms), pressing allergy test device (containing drop of allergen) firmly to the skin for 2 seconds, waiting 20 minutes, then measuring the size of the wheal (bump) and flare (surrounding redness). The area is then wiped clean. Answer in 20 minutes! ...Read more

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Docs, could a positive allergy test be wrong?

Docs, could a positive allergy test be wrong?

Yes: If it was a skin test that resulted in a welt formation its less likely to be false positive. The tests where blood is drawn an they count histamine response to different agents often gives results that you do not have in daily living. The large plasma panels often give results stating wheat allergy, nut allergy, tomato allergy yet you eat bread, nuts and pizza every day. It may not be true ...Read more

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On a skin prick allergy test what does a 2E mean?

On a skin prick allergy test what does a 2E mean?

Just a guess: E usually indicate erythema or the red area around the wheal of a skin test. I would presume that this meant a 2+ reaction on the erythema. In allergy testing however it is the size the wheal and not erythema that counts the most. Perhaps this question can be better answered by the allergist who did the skin test. ...Read more

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Can you have an allergy test done on a 4 month baby?

Can you have an allergy test done on a 4 month baby?

No: Waste of money prior to age 3 as the results are not reliable in a 4month old. ...Read more

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Do you know are allergy test done in herbal shops a scam?

Do you know are allergy test done in herbal shops a scam?

Probably: Medicine is highly regulated and therapies, tests etc must be shown to work or they are NOT approved. Why would you buy from a store that is outside of this tight regulation. .. you're asking for trouble. ...Read more

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When I get an allergy test, will they need to draw blood?

Maybe not: It depends what allergies are bring considered. Sometimes we do both as a confirmation. Or just a blood test first if the reaction you had was severe. ...Read more

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What kind of allergy test will probably be done on my 16 month old?

Allergy test: Depending on your baby's symptoms, allergist can perform a prick skin test that tests for environmental and/or food allergens. The test is relatively painless and only scratches the very first layers of skin. If the baby's skin is too involved in eczema, or other skin conditions, they may opt for a blood test, which is considered less sensitive, but still provides good results depending on the lab. ...Read more

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Please tell me how long is a skin prick allergy test supposed to take?

Please tell me how long is a skin prick allergy test supposed to take?

Minutes: A trained allergist can place allergy prick skin test in about 2 seconds and interpretation is done at 20 minutes. The multi-test can place 8 tests at a time to make it even quicker. For more information on allergy skin testing go to my blog at : http://www. Familyallergyasthmacare. Com/2012/10/comfortable-allergy-skin-testing/. ...Read more

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What do these allergy test results mean: highly positive with pseudopods?

What do these allergy test results mean: highly positive with pseudopods?

Extremely sensitive: To the allergen tested, if it is an aeroallergen or a food allergen, your allergist/immunologist would describe you the treatment options, good luck ...Read more

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How should one prepare for an allergy test? Do you have to skip all your allergy meds?

How should one prepare for an allergy test? Do you have to skip all your allergy meds?

No major preparation: A blood allergy test measures ige response to allergens. These responses are graded from 0 to 6 where 0 is no reaction and 6 is maximum of ige to allergen. The skin test is where a small amount of allergen is injected into the skin and if there is 2mm swelling after 10 min. It's positive. There is no preparation to do for these tests. Just allergy history and physical before the tests. ...Read more

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My daughter recently took an allergy test and is allergic to almost everything. What can be done?

My daughter recently took an allergy test and is allergic to almost everything. What can be done?

It depends: Talk with your doctor. Some foods may be simply avoided if they cause allergy symptoms. Depending on her age and the severity of the allergic response, she may be a candidate for allergy shots. Some airborne allergens will be nearly impossible to avoid, and she may need preventative type medications such as steroid nasal inhalers. ...Read more

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I have a mild reaction to the soap my work uses right now. My bro started the same way and it got worse. Can a allergy test detect mild reactions?

I have a mild reaction to the soap my work uses right now. My bro started the same way and it got worse. Can a allergy test detect mild reactions?

Yes, patch testing: The most common work related reactions to soaps, creams an lotions is contact dermatitis. This involves itchy scales or blistering reactions that start towards the end of your work day and gradually get worse as the week progresses. A dermatologist or an Allergist that does patch testing would help sort out what chemical in that soap could be causing the problem and which soaps would be safe. ...Read more

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My niece had an allergy test which shows she's severly allergic to cats. They have had cats since she was born and they never bother? Could it be wrong

My niece had an allergy test which shows she's severly allergic to cats. They have had cats since she was born and they never bother? Could it be wrong

Interesting: First off one needs to understand that a positive skin test or blood test does not mean one is allergic to that allergen. It simply means there is a positive test. Additionally, the size of the skin test or the degree of positivity of a blood test does not quantify the severity of one's allergy. The patients clinical symptoms and history dictate what is clinically significant allergy. ...Read more

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Is there an allergy test I can have to see if I am still allergic to penicillin? Had a rashreaction to penicillin but wonder if it was a true allergy?

Is there an allergy test I can have to see if I am still allergic to penicillin? Had a rashreaction to penicillin but wonder if it was a true allergy?

Yes: An allergist can test for it and also check the most common allergens which you may not be aware of. Now whether it is worth going through all that is another matter. You can always get the real story about possibility of penicillin allergy when it is important to know. ...Read more

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What to expect for allergy test?

What to expect for allergy test?

Relax: Allergy testing is easy and relatively painless. The most common is skin prick on the back which feels more like a tickle. You will have some itching after to any positives. This is easily treated and only lasts for around 30 min. You will want to make sure you don't take any antihistamines 5 days prior to your visit. ...Read more

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What to do after an inconclusive allergy test?

What to do after an inconclusive allergy test?

Depends: Your question does not have enough information. We need more information in order to answer your question. What type of allergy test is that? Testing for which allergens? What are your symptoms and indication for allergy testing? And can you be more clear on how it is called inconclusive? ...Read more

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How does an allergy test work? Is it accurate?

How does an allergy test work? Is it accurate?

Allergy testing.: There are four different types of allergy testing, the most accurate being the scratch testing performed by an Allergist. They put various antigens under your skin and see to what you react. ...Read more

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Can you tell me how could an allergy test work?

Can you tell me how could an allergy test work?

Supports a history: -supports history. If a person gets sick at certain times of a year- a pos. Skin test to the appropriate seasonal allergen can help guide treatment and predict seasonal worsening.
- helps guide allergy avoidance. If an asthmatic with repeated worsenings
is test pos to cat, getting the cat off his chest at night can help.
-guides allergy desensitization. Anaphylaxis to bees, decreasing sensitivity. ...Read more

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How long does it take to get an allergy test done?

How long does it take to get an allergy test done?

About 30 minutes: Skin testing takes about 30 min. In many cases no needles are used and it is just a scratch. A little annoying but not painful. We even do it on young children. ...Read more

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On average, how long will an allergy test usually take?

On average, how long will an allergy test usually take?

Allergy testing: Allergy skin testing takes a couple of minutes to place the tests and the interpretation is done 20 minutes later.
Allergy blood tests typically take a few days up to 1 week to get the results back.
Allergy patch testing for allergic contact dermatitis (nickel, fragrance, chemicals, etc) is placed then the interpretation at 2-3 days later and again 1 week later. ...Read more

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Please help! What happens when you get an allergy test?

Local skin reaction: Percutaneous skin testing involve placing a drop of the allergen on the skin and pricking it. Intradermal testing involves injecting a small amount under the skin and may be done if percutaneous testing is negative. One looks for redness and a raised area (wheal) on the skin. Systemic allergic reactions are extremely rare. An alternative is a blood test for specific ige (rast-type) test. ...Read more

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Please tell me recommendations for getting an allergy test?

Please tell me recommendations for getting an allergy test?

Identification: Allergy testing is indicated for the evaluation of patients who have year round nasal symptoms, asthma symptoms, severe bee sting reactions, symptoms after eating foods in an attempt to identify the specific allergen trigger so it can be avoided if possible. Also, allergy testing is necessary before considering allergy shots so the right allergens are included. ...Read more

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Can you let me know how many years is an allergy test good for?

Can you let me know how many years is an allergy test good for?

Depends: Since allergies can change over time--develop more or sometimes lose allergies, it can be helpful to retest. While there is no one single correct answer, I generally test if symptoms suggest a new allergy or there is a new exposure. There is no reason to repeatedly test a patient already on allergy shots. To follow kids with food allergies, testing once a year is standard to assess for tolerance. ...Read more

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I want to get an allergy test, but I have some questions about cost?

I want to get an allergy test, but I have some questions about cost?

Talk to Doctor: Cost for allergy testing will vary from doctor to doctor and from lab to lab. If cost is a major concern talk with the ordering allergist and really try to zero in on the absolute min number of test (s) needed to provide a treatment plan. ...Read more

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