An elimination diet is a method of identifying foods that an individual cannot consume without adverse effects. Adverse effects may be due to food allergy, food intolerance, other physiological mechanisms(such as metabolic or toxins), or a combination of these. When the mechanism is unknown, but a food is suspected, the mechanism may be described as a food sensitivity or a food hypersensitivity.

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  • An elimination diet is a method of identifying foods that an individual cannot consume without adverse effects. Adverse effects may be due to food allergy, food intolerance, other physiological mechanisms(such as metabolic or toxins), or a combination of these. When the mechanism is unknown, but a food is suspected, the mechanism may be described as a food sensitivity or a food hypersensitivity. Elimination diets typically involve entirely removing a suspected food from the diet for a period of time from two weeks to two months, and seeing whether symptoms resolve during that time. In extreme cases, an oligoantigenic diet may be tested. Common reasons for undertaking an elimination diet include suspected food allergies and suspected food intolerances. An elimination diet might remove one or more common foods, such as eggs or milk, or it might remove one or more minor or non-nutritive substances, such as artificial food colorings. An elimination diet relies on trial and error to identify specific allergies and intolerances. Typically, if symptoms resolve after the removal of a food from the diet, then the food is reintroduced to see whether the symptoms reappear. This challenge-dechallenge-rechallenge approach is particularly useful in cases with intermittent or vague symptoms. The terms exclusion diet and elimination diet are often used interchangeably in the literature, and there is no standardised terminology. The exclusion diet can be a diagnostic tool or method used temporarily to determine whether a patient’s symptoms are food-related. The term elimination diet is also used to describe a "treatment diet", which eliminates certain foods for a patient. Adverse reactions to food can be due to several mechanisms. Correct identification of the type of reaction in an individual is important, as different approaches to management are required. The area of adverse reactions to food has been controversial and the subject of ongoing research. It has been characterised in the past by lack of universal acceptance of definitions, diagnosis and treatment.
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  • January 2009
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  • An elimination diet is a method of identifying foods that an individual cannot consume without adverse effects. Adverse effects may be due to food allergy, food intolerance, other physiological mechanisms(such as metabolic or toxins), or a combination of these. When the mechanism is unknown, but a food is suspected, the mechanism may be described as a food sensitivity or a food hypersensitivity.
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  • Elimination diet
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