Skin tests in food allergy are not of much help; it is the history of the patient which is of greatest help. Other procedures that help are elimination diets. The patient is instructed to note in a diary all the food taken and the symptoms produced,if any. By studying these reports for two to three weeks, the doctor can often detect the onset of symptoms after a new type of food, or after repeated intake of a certain food. The elimination of these foods, one at a time, should result in disappearance of the symptoms. This is followed by controlled intentional ingestion to confirm the allergy. The difficulty arises when the offending food is either milk, egg or wheat, which are common ingredients of many other foods and therefore its presence may not be suspected by the patient.Food allergy is more common in children than in adults. Recurrent abdominal upsets, skin rashes and unrelieved cough should be suspected of having an allergic basis. Proper diagnosis can lead to very favourable results.*40\260\8*
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