How Are Food Allergies Diagnosed? Your doctor may do a radioallergosorbent blood test (RAST) to check the number of antibodies produced by your immune system. Elevated levels of certain types of antibodies can help your doctor identify specific food allergies. The doctor may also perform an allergy skin test, also called a scratch test, to identify the substances that are causing your allergy symptoms. By keeping a food diary, your doctor will have a much better starting point to determine the foods that could trigger your allergies. You may be asked to eliminate all potentially allergenic foods and then add them back to your diet one at a time to see if they prompt any reaction. This is called an elimination and challenge diet.
Posted on: Sun, 12 Oct 2014 10:23:31 +0000
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