SPECIAL EXCLUSION DIETS
Monday, March 30th, 2009If single-food dieting has been inconclusive or confusing, or if you appear to have multiple food sensitivity, the next step recommended by doctors is often a special exclusion diet. It is a halfway stage between single food testing and a total exclusion diet.
There are two basic kinds of special diet. The first type is a so-called low-allergen diet in which all the major foods that commonly cause allergy or intolerance are omitted. The second type is a much more specific type of diet, in which a specific range of foods is suspected of causing allergy or intolerance. These only are omitted, often leaving some common allergens in the diet. Specific diets of this kind include gluten-free, anti-candida, mould-free and low-salicylate diets.
Before a doctor chooses which diet to put you on, you will usually be asked to keep a Foods Diary, noting down absolutely everything you eat, swallow or ingest, and monitoring the timing and nature of symptoms. The doctor will then choose the specific range of foods according to your particular pattern of symptoms and food habits.
The principles of low-allergen diets are to leave out all foods commonly causing allergy and intolerance, to leave out processed and manufactured foods, and to eat foods which are as free of additives and chemicals as possible. The best known of the so-called low-allergen diets is the Stone-Age Diet pioneered by Dr Richard Mackarness.
It is usually recommended that you follow this type of diet for five days to a week, giving time for your symptoms to clear. You may, as with the single-food diet above, find you feel worse at first and have withdrawal symptoms. However, if you have excluded the foods that upset you, you should begin to feel much better after five days.
The benefits of a special exclusion diet of this kind are primarily for people who have had confused results from leaving out single foods, or who can identify no obvious candidates for single-food exclusion, or who have other multiple allergies or sensitivity with competing symptoms. It is a less rigorous approach than a total exclusion diet, and more balanced nutritionally, but more rapid and effective than single-food dieting.
Two major drawbacks of a special exclusion diet are that it is expensive and inconvenient. You have to rely on being able to eat mainly at home, or carry packed foods with you. It is also eccentric and makes you conspicuous. You often feel ravenous and empty, although these can be withdrawal symptoms. A final drawback is that, if you really have very severe problems with multiple sensitivity, it will not be adequate to sort them out straightaway. Only a total exclusion diet on a rotation basis will do that.
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