A member asked:

How long does a allergy scratch test take?

A doctor has provided 1 answer
Dr. David Rosenthal answered

Specializes in Allergy and Immunology

1 sec and 20 min: Putting on the test takes 1 or 2 seconds. You then wait 20 minutes to have the tests read.

Answered 8/10/2018

5.7k views

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