The evaluation of a food intolerance reaction begins with a history and physical examination.

The physical exam is usually normal in someone with food intolerance.

Usually, tests are not required to make the diagnosis of food intolerance.

Tests that may be used to evaluate food intolerance include:

• Serum immunoglobulins
• Eosinophil count
• Skin biopsy
• Skin testing for allergies

For more information:

• Food allergies evaluation
• Food poisoning evaluation
• Lactose intolerance evaluation