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FOODS TO BE AVOIDED
Sugar – in malt, honey, maple syrup and sweetened food, such as fizzy drinks (soda pop) and fruit cordials, ice cream, cakes, pastries, pies, biscuits, buns, chocolate, sweets and candy, chewing gum, ready-sweetened breakfast cereals, canned fruits and vegetables and sweet potatoes.
Yeast - in bread, rolls, bread-mixes, breadcrumbs, bread pudding, bread stuffing, tortillas, sourdough, beer, brewer's yeast, fermented soy sauce, pickles, cough syrup, alcoholic beverages, soy sauce, nutritional supplements containing yeast.
Mould proteins - in soy fat (-margarine and -oils), vinegar (mustard, dressing, ketchup, pickles, etc.) smoked meat, smoked fish, mushrooms, cheese, unrefrigerated orange juice, leftovers and E 330-333 (citric acid).
Milk sugar - in milk and milk products like yogurt, sour cream, milky sweets and milk sugar (=lactose) as an ingredient in prepared foods and lactose-containing tablets.
Medications - such as antibiotics (Penicillin etc.), Prednisone, antihistamines (allergy tablets) should be discontinued latest 5 days after starting this elimination diet, in order to be able to recognise allergic reactions to foods during provocation.
NB: Also avoid food products you already know that you don't tolerate.
FOODS YOU CAN EAT
• Meat, fish, egg, chicken (but not marinated)
• All vegetables (fresh and frozen), potatoes, sprouts (if not mouldy)
• Rice, grain, flour, pasta
• Fruits (fresh and frozen), which have been washed and peeled, maximum about ½ lb. ( 250 g ) a day. (Avoid grapes, plums and over-ripe fruit such as bananas with brown spots and soft pears, which contain lots of fructose.)
• Soda bread, crisp bread without yeast and malt, rice cakes
• Butter, margarine without soy oil
• Nuts and seeds
• Small amounts of milk as in bread, for example; cream cheese; soy milk; rice milk
• Freshly squeezed juice, (sparkling) water, mould free herb tea, a few cups of black tea and coffee, gin and vodka.
• Sugar-free popcorn, potato chips (avoid soy oil)
• Artificial sweeteners like aspartame, saccharin and xylitol.
PROVOCATION TEST
After a minimum of 9 days on this elimination diet, you will be able to test the different types of food that you have avoided by reintroducing food in the following manner:
- 1st day: ¼ teaspoon vinegar in a glass of water or in a salad
- 2nd day: yeast from beer (1/4 glass) or 1 brewer's yeast tablet
- 3rd day: 1 pint milk or sour cream
- 4th day: ordinary bread (with yeast)
- 5th day: sugar, honey or chocolate
After this you can test other food that you wonder about such as wine, sweeteners, canned food and so on. Do the test preferably at breakfast. If you have a reaction, such as an itch, you have to postpone the testing of other foods until the reaction is gone.
If you react to the food on the 1st, 2nd, or 4th day within 24 hours, it probably indicates a cross allergy to yeast antigens. If you react to milk, you might have milk sugar (lactose) intolerance.
If you are not quite sure if you reacted to a product and want to test it again, you have to wait at least 4 days (wash-out-phase) before doing so.
Sugar should be tested last because the reactions may be delayed for 2-3 days.
Food products that you have had a reaction to must be avoided for at least 2 months (3 months if you react to moulds / vinegar) while you are taking an effective antifungal medication and probiotic (Acidophilus and Bifidobacter), before you try them again.
If you have a high score on the FRDQ-7 and did not experience a significant improvement on this diet within 2 weeks, you should not start a treatment with this diet and antifungals, but seek the help of a qualified health practitioner because there may be associated causes such as a chemical sensitivity, mercury allergy or a food or gluten intolerance. Additional tests should be performed such as a test for gluten- and gliadin-IgA.
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