Allergies - Food

Doctors suspect a food allergy based on the patient's history. Skin tests with extracts from various foods can then be initiated. A reaction does not mean that an allergy exists, however, if no reaction occurs, then an allergy is ruled out. If the person does have a reaction, an oral challenge may be implemented. In this test, the doctor observes the patient as they eat various food extracts which are contained in milk or applesauce. If no syptoms develop, the person does not have allergies to food.

Diagnosing food allergies involves a number of strategies:

• Keeping track of symptoms and describing them accurately
• Keeping a food diary along with symptoms you notice after eating particular foods

You may know what causes certain of your allergic reactions, but there may be other allergies or sensitivities you have that you are unaware of.

Self Testing

Here's how you can catch a few of the hidden allergens you may be reacting to.

Skin tests to analyze a response to various substances include: scratch, puncture, prick and intradermal. (False-positive or a false-negative skin tests are possible.) Other tests, including the RAST and other blood tests may be given to diagnose allergies. If you have asthma, you are also likely to have allergies.