A 47-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.
1 doctor answer
Dr. William Lages answered
67 years experience in Rheumatology
Need confirmation: RAST blood tests can be suggestive of some food allergies, but will need to be confirmed by some sort of food challenge to be diagnostic of that food allergy.
Answered on Nov 13, 2017
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