Elimination Diet to Find Problem Foods

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Elimination diet in a Lyme disease treatment image from Marty Ross MD

Elimination Diet

An elimination diet removes most foods that cause food allergies, sensitivities and intolerances to find out what foods cause a person problems. In the diet a person removes foods known to cause any person problems for 3 weeks. After 3 weeks a person adds food items 1 at a time every 2 days. If a person has a problem with a food when it is added back, it gives health problems like abdominal pain, diarrhea, bloating, fatigue, body pain, confusion, or even headaches. By adding a food item back every two days it is possible to determine which foods a person should avoid.

The reason foods are removed for 3 weeks is to decrease tolerance. When someone has food allergies or sensitivities, the immune system gains tolerance when it is regularly exposed to the problem food. After 3 weeks this learned tolerance goes away causing a much stronger reaction.

Food Allergies, Sensitivities and Intolerances

There is a difference between allergies, sensitivities and intolerances. In allergies an immune reaction takes place where allergy antibodies called IGE antibodies bind to food particles. Bound to the IGE antibodies the very small food particles attach to allergy cells called mast cells. Mast cells then release histamines and other inflammatory chemicals causing may health problems. To read more about mast cells see Mast Cell Activation Syndrome & Lyme Disease.

In food sensitivities, there is an immune reaction that triggers the production of a different family of antibodies called IGG antibodies. Or the sensitive food triggers inflammatory reactions in the immune system. These appear days after a food is eaten. By comparison a food allergy involving IGE antibodies produces a more immediate reaction.

In food intolerances, the body is not able to handle the chemicals or nutrients found in a food because it cannot process the food. An example of this is lacking an enzyme that causes a person to have lactulose intolerance to dairy products. For these people lactulose free milk works, or adding lactase, the missing enzyme that breaks down lactose sugars found in milk, solves the problem.

Blood Testing Does Not Work

There is blood testing to identify foods that cause elevated IGE and IGG antibodies. While those foods that trigger IGE antibodies do always cause problems, ones that trigger IGG antibodies do not always cause problems. And blood testing does not find all foods that trigger non-antibody inflammatory immune reactions. Blood testing does not identify food intolerances either.

So the best way to find which food cause a person problems is to do an elimination diet.

The Institute For Functional Medicine Elimination Diet

Here are two documents from the Institute for Functional Medicine. Download both documents to learn how to carry out an elimination diet.

The Elimination Diet Food Plan includes foods you can eat during the 3 weeks on a clean diet. (download)

The Elimination Diet Comprehensive Guide provides background and information about how to remove and add foods back. (download)

Disclaimer

The ideas and recommendations on this website and in this article are for informational purposes only. For more information about this, see the sitewide Terms & Conditions.

References

View Citations

These references are reprinted with permission from the Instutitute for Functional Medicine in support of the Elimination Diet.

Identifies Food Triggers  

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  3. Chung BY, Cho SI, Ahn IS, Lee HB, et al. Treatment of atopic dermatitis with a low-histamine diet. Ann Dermatol. 2011 Sep; 23 Suppl 1:S91-5. doi: 10.5021/ad.2011.23.S1.S91.
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  14. Lifschitz C, Szajewska H. Cow’s milk allergy: evidence-based diagnosis and management for the practitioner. Eur J Pediatr. 2015 Feb;174(2):141-50. doi: 10.1007/s00431-014-2422-3.
  15. Lomer MC. Review article: The aetiology, diagnosis, mechanisms and clinical evidence for food intolerance. Aliment Pharmacol Ther. 2014 Dec 3. doi: 10.1111/apt.13041.pub ahead of print]
  16. Lomidze N, Gotua T, Gotua M. Ige-mediated food allergy - current problems and future perspectives (review). Georgian Med News. 2015 Jan;(238):73-8
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Reduces Inflammation

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  3. Merras-Salmio L, Kolho KL, Pelkonen AS, Kuitunen M, et al. Markers of gut mucosal inflammation and cow’s milk specific immunoglobulins in non-IgE cow’s milk allergy. Clin Transl Allergy. 2014 Mar 5;4(1):8. doi: 10.1186/2045-7022-4-8.
  4. Navarro SL, Schwarz Y, Song X, Wang CY, et al. Cruciferous vegetables have variable effects on biomarkers of systemic inflammation in a randomized controlled trial in healthy young adults. J Nutr. 2014 Nov; 144(11):1850-7. doi: 10.3945/jn.114.197434.
  5. Ohman L, Simrén M. Pathogenesis of IBS: role of inflammation, immunity and neuroimmune interactions. Nat Rev Gastroenterol Hepatol. 2010 Mar; 7(3):163-73. doi: 10.1038/nrgastro.2010.4.
  6. Rokayya S, Li CJ, Zhao Y, Li Y, Sun CH. Cabbage (Brassica oleracea L. var. apitata) phytochemicals with antioxidant and anti-inflammatory potential. Asian Pac J Cancer Prev. 2014 Jan; 14(11):6657-62.           
  7. Rubió L, Motilva MJ, Romero MP. Recent advances in biologically active compounds in herbs and spices: a review of the most effective antioxidant and anti-inflammatory active principles. Crit Rev Food Sci Nutr. 2013; 53(9):943-53. doi: 10.1080/10408398.2011.574802.

Reduces Toxic Burden

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  2. Krajka-Ku´zniak V, Paluszczak J, Szaefer H, Baer-Dubowska W. Betanin, a beetroot component, induces nuclear factor erythroid-2-related factor 2-mediated expression of detoxifying/antioxidant enzymes in human liver cell lines. Br J Nutr. 2013 Dec; 110(12):2138-49. doi: 10.1017/S0007114513001645.
  3. Sears ME, Genuis SJ. Environmental determinants of chronic disease and medical approaches: recognition, avoidance, supportive therapy, and detoxification. J Environ Public Health. 2012; 2012:356798. doi: 10.1155/2012/356798.
  4. Thompson HJ, Heimendinger J, Diker A, O’Neill C, et al. Dietary botanical diversity affects the reduction of oxidative biomarkers in women due to high vegetable and fruit intake. J Nutr. 2006 Aug; 136(8):2207-12.
  5. Valacchi G, Caccamo D, Pelle E, De Luca C. Innovative approaches in environmental medicine: redox/detoxification biomarkers in environmental intolerances. Oxid Med Cell Longev. 2013; 2013:691624. doi: 10.1155/2013/691624.
  6. Wagner AE, Ernst I, Iori R, Desel C, et al. Sulforaphane but not ascorbigen, indole-3-carbinole and ascorbic acid activates the transcription factor Nrf2 and induces phase-2 and antioxidant enzymes in human keratinocytes in culture. Exp Dermatol. 2010 Feb; 19(2):137-44. doi: 10.1111/j.1600-0625.2009.00928.x.
  7. Warwick E, Cassidy A, Hanley B, Jouni ZE, et al. Effect of phytochemicals on phase II enzyme expression in infant human primary skin fibroblast cells. Br J Nutr. 2012 Dec 28; 108(12):2158-65. doi: 10.1017/S0007114512000554.
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About The Author

Marty Ross, MD is a passionate Lyme disease educator and clinical expert. He helps Lyme sufferers and their physicians see what really works based on his review of the science and extensive real-world experience. Dr. Ross is licensed to practice medicine in Washington State (License: MD00033296) where he has treated thousands of Lyme disease patients in his Seattle practice.

Marty Ross, MD is a graduate of Indiana University School of Medicine and Georgetown University Family Medicine Residency. He is a member of the International Lyme and Associated Disease Society (ILADS), The Institute for Functional Medicine, and The American Academy of Anti-Aging Medicine (A4M).

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