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Allergy tests
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 it can be risky.
Dr. Thomas Klein reviewed this
43 year experience in Allergy and Immunology
How long it usually lasts:
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Related questions
A 38-year old asked:
When are allergy tests indicated for a person?
1 doctor answer • 2 doctors weighed in
A 44-year old asked:
I've been "back scratch" tested for allergies. Can the doctors do a allergy tests for specific types?
1 doctor answer • 1 doctor weighed in
A 34-year old asked:
Do allergy tests hurt?
1 doctor answer • 2 doctors weighed in
A 43-year old asked:
What method are allergy tests carried out?
1 doctor answer • 1 doctor weighed in
A 36-year old asked:
How are today's allergy tests performed on children?
2 doctor answers • 5 doctors weighed in
A 28-year old male asked:
What is the definition or description of: allergy tests?
1 doctor answer • 2 doctors weighed in
A 27-year old female asked:
Are allergy tests for food sensitivites and/or allergies fairly accurate?
1 doctor answer • 2 doctors weighed in
A 64-year old female asked:
I just had allergy tests for the 3rd time in 18 years; md wants me to try injections for 3rd time. I had a total of 3 1/2 years previously. Opinion?
1 doctor answer • 2 doctors weighed in
A 30-year old asked:
I have had an allergy test completed and was diagnosed with a dairy allergy how reliable are these allergy tests does it mean that I can never have it?
2 doctor answers • 7 doctors weighed in
A 45-year old asked:
Are fals positives from a skin allergy tests common?
1 doctor answer • 2 doctors weighed in
A 42-year old asked:
Why do they use needles for allergy tests?
1 doctor answer • 1 doctor weighed in
A 33-year old asked:
What to do if i want to know what doctors do in allergy tests.?
1 doctor answer • 1 doctor weighed in
A 39-year old asked:
I had allergy tests, which showed a mild reaction to molds and fungi. What can I do to protect myself in the future?
2 doctor answers • 4 doctors weighed in
A 43-year old asked:
Do allergy tests scar?
1 doctor answer • 3 doctors weighed in
A 46-year old asked:
Do allergy tests leave scars?
1 doctor answer • 2 doctors weighed in
A 34-year old asked:
Does it hurt to get skin allergy tests?
1 doctor answer • 1 doctor weighed in
A 27-year old female asked:
What are the different allergy tests and what do they test for?
1 doctor answer • 1 doctor weighed in
A 38-year old asked:
I went for allergy tests (the skin pricking) and passed out, should I be concerned?
1 doctor answer • 1 doctor weighed in
A 43-year old asked:
Is it normal for allergy tests to give different answers (comparing blood vs. Skin)?
1 doctor answer • 3 doctors weighed in
A 25-year old female asked:
My 3 month old was using NAN 1 formula, he developed eczema, he hadblood tests done for allergies, tests are negative, should I change his formula?
1 doctor answer • 3 doctors weighed in
A 45-year old asked:
What nut allergy tests are there for tree nuts? What are the non-tree nuts?
1 doctor answer • 3 doctors weighed in
A 41-year old male asked:
I have what seems like chronic bronchitis. My dr has given me all blood & allergy tests & nothing's indicating what the issue is. What could it be?
2 doctor answers • 2 doctors weighed in
A 34-year old female asked:
I am dealing with severe chronic hives. This started in April and it lasted about 10 weeks. It went away for 3 months and now it is back, and worse! I am desperate. I had all kinds of allergy tests done and it was all negative. What should I do???
1 doctor answer • 1 doctor weighed in
A 28-year old male asked:
I am feeling abnormally tired for a quite long time (before COVID period). I would like to discuss my symptoms and arrange the most suitable panel of blood tests and allergy tests to help with the diagnosis or exclusion of certain conditions.
1 doctor answer • 1 doctor weighed in
A 33-year old female asked:
My husband breaks out in welts / hives on his upper body .Face and head swells really bad .Gets a fever with it. He's had blood/allergy tests .?
1 doctor answer • 1 doctor weighed in
A 36-year old female asked:
I lost my ability to smell 8 years ago. I have been to ENT specialists, had allergy tests done and even gone for a CAT scan. I don't have any allergies and thankfully, nothing abnormal from the scan. What else could be causing this? How can I fix it?
1 doctor answer • 2 doctors weighed in
A 25-year old female asked:
What can cause vomiting/ diarrhea for 15 days in a child ? All stool test negative along with allergy tests. No appetite. Mass on stomach X-ray too.
1 doctor answer • 3 doctors weighed in
A 34-year old male asked:
I have frequent sinus infections with a history of nasal polyps. It seems as if dairy worsens my sinuses. Is this common? Does this mean i'm allergic to dairy? Should I have food allergy tests completed?
2 doctor answers • 3 doctors weighed in
A 34-year old male asked:
My son(3)has allergies, some know and others not. Allergy tests came out negative. In winter its impossible to keep him healthy, he has constant ent issues -upper airway. He is on allergex&avamys and after recent antibiotics he still had a wet cough?
1 doctor answer • 5 doctors weighed in
A 42-year old female asked:
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.
2 doctor answers • 5 doctors weighed in
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