Question

4. How can you diagnose allergy?​

Answer 1

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☞ The two main types of allergy tests are skin tests and blood tests: A skin test (also called a scratch test) is the most common allergy test. With this test, the doctor or nurse will put a tiny bit of an allergen (like pollen or food) on the skin, then pr.ick the outer layer of skin or make a small scratch on the skin.

Answer 2

if you bleed. You'll feel it, but it shouldn't hurt. Some doctors use a small needle to put the allergen under the first few layers of your skin.

The doctor will probably test several things at the same time. If one of the areas swells up and gets red like a mosquito bite, it means you're allergic to that allergen. It usually takes about 15 minutes to find out.

When the test is over, the doctor or nurse will clean your skin and put some cream on it to help with any itching. Any swelling from a reaction usually goes away within 30 minutes to a few hours.

Some medicines can get in the way of the tests. Check with your doctor to see if you need to stop taking any medication before the test.

Blood Tests

If you take medicine that could affect allergy test results, have sensitive skin, or have had a bad reaction to a skin test, your doctor might do a blood test instead.

A sample of your blood is sent to a lab, and your doctor will get the results within a few days. This is typically more expensive than a skin test.

Food Allergies

If your doctor thinks you might be allergic to a certain food or foods, they may ask you to stop eating them to see if that helps. This is called an elimination diet