Food Intolerance: Causes & Reasons

Warning: Do not use in emergencies, if pregnant, if under 18, or as a substitute for a doctor’s advice or diagnosis. Learn more

Possible Causes for Food Intolerance

Food Allergy

Adverse reactions to food include immune mediated food allergies and non-immune mediated food intolerances. [ncbi.nlm.nih.gov]

Intolerance vs Food Allergy: The table below shows the differences between food intolerance and food allergy. [foodreactions.org]

food intolerance. [hc-sc.gc.ca]

Lactose Intolerance

Dairy Intolerance like any food intolerance gets worse with age. [foodintol.com]

[…] have a food intolerance to dairy products(15) he may have a food intolerance to dairy products(16) This insulin suppression testing was intended to identify the one third [cebuano.english-dictionary.help]

Food intolerance is an adverse reaction to a food that does not involve the immune system. Lactose intolerance is an example of food intolerance. [tbf-sa.co.za]

Hereditary Fructose Intolerance

You cannot diagnose your food intolerance from symptoms alone. [foodintol.com]

Food and Food Additive Intolerance in Childhood. Oxford, UK: Blackwell's Publishing, 2002. Emerton, Victoria. [healthofchildren.com]

On the Food Intolerance Network website we will use the term "fructose malabsorption", and sometimes "fructose intolerance", but in that case we never talk about hereditary [food-intolerance-network.com]

Disaccharidase Deficiency

Abstract Intolerance to foods which contain lactose can cause a range of intestinal and systemic symptoms. [deepdyve.com]

The common nature of such symptoms may lead to misdiagnosis of the condition as food allergy or intolerance. Dr. [education.questdiagnostics.com]

[…] of dairy foods. [deepdyve.com]

Celiac Disease

Triggered by the ingestion of gluten in genetically predisposed individuals, celiac disease is the most common genetically based food intolerance in the world, with a prevalence [doi.org]

The wide differential diagnosis includes food intolerances, intestinal infections, and irritable bowel syndrome, among other conditions. [ncbi.nlm.nih.gov]

Childhood Celiac Disease

A food intolerance is one of the last things you want your baby to have, but picking up on the condition is a good thing. [motherandbaby.co.uk]

Food protein-induced enterocolitis syndrome (FPIES) Food protein intolerance (i.e. cow’s milk protein intolerance) Gastrointestinal complications associated with primary [uclahealth.org]

Possible explanations for continued psychological issues after going gluten-free: Non-adherence to the gluten-free diet Unidentified food intolerances Thyroid problems Nutritional [beyondceliac.org]

Systemic Mastocytosis

At that time she had complained of repeated attacks of upper abdominal pain and intolerance to fatty foods. [pubs.rsna.org]

[…] allergy or intolerance, muscle/joint pain, drug allergy, pollakiuria, and dyspnea or bronchoreactivity (the same symptom spectrum has not been confirmed in other studies) [ashpublications.org]

[…] limitation(s).24 Of the 38 symptoms scored, those most frequently associated with functional limitation were psychological impact of skin appearance, asthenia, pruritus, food [ashpublications.org]

Toddler's Diarrhea

Although the cause is unclear, it is known that it is not caused by food intolerance, poor absorption of food or by a serious bowel problem. [emmasdiary.co.uk]

It is important to note that this is not a food intolerance or malabsorption syndrome, although a similar phenomenon can arise with undigested nutrients in food intolerances [healthhype.com]

If there is a history of food allergy or food intolerance in the family your child may be referred for further tests so these conditions can be ruled out. [emmasdiary.co.uk]

Histamine Intolerance

Other common types of food intolerance Food poisoning Lactose intolerance Gluten and nut intolerance Carbohydrate intolerance [histame.com]

[…] it’s actually a food intolerance. [physiologicnyc.com]

Some people have specific food intolerances. Lactose intolerance, the most common specific food intolerance, affects about 10 percent of Americans. [my.clevelandclinic.org]

Allergic Gastritis

Some people have specific food intolerances. Lactose intolerance, the most common specific food intolerance, affects about 10 percent of Americans. [my.clevelandclinic.org]

Eosinophilic gastritis can be diagnosed with greater confidence when there is a history of allergic disease, such as asthma, food intolerance, and atopic eczema (70% of cases [humpath.com]

Food challenges were performed to confirm food intolerance. Serial esophageal, gastric and duodenal biopsies were used for diagnosis and monitoring. [jacionline.org]

Wheat Intolerance

Allergy Test tests food intolerances to wheat and gluten items. [allergytest.co]

Test Your Intolerance tests food intolerances to wheat and gluten items. [testyourintolerance.ca]

It’s important to know that coeliac disease is neither a food allergy or food intolerance. [yorktest.com]

Abdominal Bloating

Pathophysiological mechanisms explored include psychological factors, intestinal gas accumulation, fluid retention, food intolerance and malabsorption of sugars, weakness [ncbi.nlm.nih.gov]

Food intolerance and bloating Food intolerance can lead to bloating when: your bowel doesn't empty properly the food causes gas to be trapped too much gas is produced as a [nhs.uk]

The best approach if you have a food intolerance is to eat less of the culprit food or cut it out completely. [nhs.uk]

Food Intolerance

This is what you might experience if you suffer from food intolerance. Lesson 1: What is food intolerance? Is food intolerance real? Yes. [foodconnections.org]

[…] to food intolerance. [hdl.handle.net]

In the patients cured on elimination diet, a subsequent double-blind food challenge was performed to confirm the diagnosis of food intolerance. [ncbi.nlm.nih.gov]

Irritable Bowel Syndrome

Abstract The faecal microbial flora of a patient with severe irritable bowel syndrome related to multiple food intolerances was very variable and contained a high proportion [ncbi.nlm.nih.gov]

intolerances or sensitivities, in which certain foods cause digestive symptoms Research suggests that genes may make some people more likely to develop IBS. [niddk.nih.gov]

Food intolerance – impaired absorption of the sugar lactose (found in dairy and many processed foods) is the most common dietary trigger for IBS. [betterhealth.vic.gov.au]

Malignant Carcinoid Syndrome

Oncol Lett. 2017 Apr; 13(4): 2373–2376. This article has been cited by other articles in PMC. Abstract A carcinoid tumor of the pancreas (CTP) is a rare pancreatic neoplasm, and usually presents with carcinoid syndrome (CS). CS consists of the classic symptom triad of cutaneous flushing, diarrhea and valvular[…] [ncbi.nlm.nih.gov]

Sucrose Intolerance

This food intolerance is a non-allergic reaction to a specific food (i.e. sugar). [askanaturopath.com]

The most effective treatment for a food intolerance is to identify the foods you are intolerant of and avoid them. [livestrong.com]

A guide to understanding and handling food allergies and sensitivities A comprehensive overview of food sensitivities, including food allergies and food intolerances. [books.google.de]

Phenylketonuria

We report a 48-year-old Japanese woman with phenylketonuria (PKU) who presented with severe neurological symptoms more than 30 years after discontinuation of dietary treatment. She was diagnosed with PKU at 6-years-old and was treated with a phenylalanine restricted diet until she was 15 years old. When she[…] [ncbi.nlm.nih.gov]

Congenital Lactase Deficiency

- American Journal of Acupuncture, 13:253-59, 1985 “Possibilities of the methods of electro-puncture diagnostics in definition of food allergy and food intolerance” – Fedorenko [euvita.ro]

Causes of secondary lactose intolerance include gastroenteritis, food intolerance or allergy, celiac disease (gluten intolerance), and bowel surgery. [kellymom.com]

For information about allergy, see the separate Food Allergy and Food Intolerance article. Lactose is a disaccharide sugar found exclusively in milk. [patient.info]

Disorder of Fructose Metabolism

Food and Food Additive Intolerance in Childhood. Oxford, UK: Blackwell's Publishing, 2002. Emerton, Victoria. [healthofchildren.com]

Several people with HFI may have other food intolerances (lactose intolerance or celiac disease) or food allergies. [healthhype.com]

Symptoms Symptoms can be seen after a baby starts eating food or formula. The early symptoms of fructose intolerance are similar to those of galactosemia. [nicklauschildrens.org]

Isomaltose Intolerance

Common Symptoms of Food Intolerance Some symptoms of food intolerance -- sometimes called sensitivity -- and allergies are similar. [webmd.com]

It consists of two glucose molecules ... sucrose intolerance Sucrose intolerance (sucrase-isomaltase deficiency, sucrose-isomaltase malabsorption) is a food intolerance to [monulb.blogspot.com]

Careful history taking and observation of food-related reactions may indicate the source of food intolerance. [foodintolerances.org]

Chronic Diarrhea due to Glucoamylase Deficiency

Careful history taking and observation of food-related reactions may indicate the source of food intolerance. [foodintolerances.org]

Chapter topics include: •food intolerance causes and symptoms •sources of sugar and starch in foods •an overview of sugar substitutes •digestive support supplements •the importance [share.marchofdimes.org]

- Enzymes have been used for years to safely assist in food intolerances/allergies, leaky gut, yeast and immune system support among others. [enzymestuff.com]

Peanut Allergy

This project is now funded by the Food Standards Agency as part of its programme of research on food intolerance and food allergy. [bristol.ac.uk]

Lack, The epidemiology of adverse food reactions, Food Intolerance and the Food Industry, 10.1533/9781855736344.163, (163-219), (2000). [doi.org]

Food allergens and intolerances have been diagnosed by doctors for decades, but have received heightened attention in the last two decades because diagnosis and awareness [doi.org]

Biliary Dyskinesia

A triad of symptoms and signs, consisting of abdominal pain (with or without associated nausea or fatty food intolerance), absence of gallstones, and an abnormally low cholecystokinin-stimulated [ncbi.nlm.nih.gov]

The most common symptoms were right upper quadrant pain, nausea, vomiting, and fatty food intolerance. [ncbi.nlm.nih.gov]

• SS • SYMPTOMS Epigastric/RUQ pain Nausea/vomiting Fatty food intolerance Painless jaundice Pancreatitis Epigastric/RUQ pain Nausea/vomiting Fatty food intolerance Painless [slideshare.net]

Soy Allergy

Food Intolerance is Common These are the four main types of food intolerance: To find out more - sign up for the Free E-book 'How to Tell If You Have Food Intolerance' Nobody [foodintol.com]

Intolerance vs Food Allergy: The table below shows the differences between food intolerance and food allergy. [foodreactions.org]

What is food intolerance? A food intolerance isn't the same as a food allergy. [nhs.uk]

Small Intestinal Bacterial Overgrowth

Food intolerances to lactose, gluten, caffeine, fructose, and others. Abdominal pain or cramping. Digestion problems like constipation. [steptohealth.com]

This might entail application of the Specific Carbohydrate Diet or the GAPS Diet, depending on the patient’s food intolerances. [drhoffman.com]

Intestinal Bacterial Overgrowth (SIBO) Gas Bloating Diarrhea Abdominal pain or cramping Constipation (much less common than diarrhea) Diagnosis of irritable bowel syndrome Food [mindbodygreen.com]

Chinese Restaurant Syndrome

A third class of food substances that can cause food intolerances are the salicylates. [pharmacistben.com]

Researchers say that there is no such thing as MSG allergy and attribute the allergic reactions to food intolerance or food sensitivity. [buzzle.com]

It is easy to confuse food intolerance with food allergy because they can have similar symptoms. [emedicinehealth.com]

Allergic Cystitis

You may have to figure out your food intolerances by keeping a food diary for a few weeks. [healthform.org]

Avoid foods high in histamines, such as chocolate & red wine! Sensitivities Food intolerance, also known as a food sensitivity, are also quite common IC patients. [ic-network.com]

I know that my food intolerances trigger both my IBS and IC, so food can be a difficult thing to navigate for me. [thefitcookie.com]

Chronic Diarrhea with Villous Atrophy

intolerance, immunosuppression and immune-deficiency, and chronic diarrhea in the developing world. [books.google.com]

[…] of foods other than gluten (e.g., milk, soy, chicken, tuna) December, 2012 [cureceliacdisease.org]

[…] of people with food intolerances. [diabetesselfmanagement.com]

Lysine Intolerance

The signs and symptoms of lysinuric protein intolerance typically appear after infants are weaned and receive greater amounts of protein from solid foods. [ghr.nlm.nih.gov]

Frequency Lysinuric protein intolerance is estimated to occur in 1 in 60,000 newborns in Finland and 1 in 57,000 newborns in Japan. [medlineplus.gov]

[…] as diagnosis, prevention, treatment, food choices, food handling/storage, and medications to avoid, please see my companion post: Freshness Counts: Histamine Intolerance. [diagnosisdiet.com]

Infantile Colic

intolerance is suspected in a baby with infantile colic (ie atopy risk, other signs or symptoms of food intolerance) then some experts recommend a short trial with an extensively [patient.info]

If food intolerance is suspected in a baby with infantile colic (ie atopy risk, other signs or symptoms of food intolerance) then some experts recommend a short trial with [patient.info]

Severe infantile colic and food intolerance: A long-term prospective study. J Pediatr Gastroenterol Nutr 1991;12:332-5. Jakobsson I, Lindberg T. [lucperino.com]