Question

How is an allergy diagnosed ?​

Answer 1

Answer:

The most common way to test for allergies is with a skin test. That's because it gives the fastest, most accurate results. The one doctors use most often is called a scratch test. A doctor or nurse will put a tiny drop of an allergen on your skin, usually on the inside of your arm or on your back.

Answer 2

your answer is above.

I hope it helps you.