Food intolerance

intolerancefood sensitivityFood Intolerancesfood sensitivitiesintolerancesfood triggersintolerantsensitivitiesSensitivities to foodssensitivity
Food intolerance is a detrimental reaction, often delayed, to a food, beverage, food additive, or compound found in foods that produces symptoms in one or more body organs and systems, but generally refers to reactions other than food allergy.wikipedia
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Food allergy

food allergiesfood allergensallergy
Food intolerance is a detrimental reaction, often delayed, to a food, beverage, food additive, or compound found in foods that produces symptoms in one or more body organs and systems, but generally refers to reactions other than food allergy.
A food intolerance and food poisoning are separate conditions, not due to an immune response.

Elimination diet

dietary elimination-challenge trials
Elimination diets are useful to assist in the diagnosis of food intolerance.
Adverse effects may be due to food allergy, food intolerance, other physiological mechanisms (such as metabolic or toxins), or a combination of these.

Irritable bowel syndrome

IBSbowelirritable bowel
GIT symptoms include mouth ulcers, abdominal cramp, nausea, gas, intermittent diarrhea, constipation, irritable bowel syndrome (IBS),
Theories include combinations of gut–brain axis problems, gut motility disorders, pain sensitivity, infections including small intestinal bacterial overgrowth, neurotransmitters, genetic factors, and food sensitivity.

Salicylate sensitivity

aspirin sensitivitysalicylate intoleranceaspirin intolerance
Food intolerance reactions can occur to naturally occurring chemicals in foods, as in salicylate sensitivity.
Depending on whether the salicylate is a component of food or medicine, salicylate intolerance is a form of food intolerance or of drug intolerance.

Fructose malabsorption

fructose intolerancefructoseDietary fructose intolerance
It may be a result of an abnormality in the body's ability to absorb nutrients, as occurs in fructose malabsorption.
Food intolerance

Diarrhea

diarrhoeadiarrheal diseaseschronic diarrhea
GIT symptoms include mouth ulcers, abdominal cramp, nausea, gas, intermittent diarrhea, constipation, irritable bowel syndrome (IBS),
enzyme deficiencies or mucosal abnormality, as in food allergy and food intolerance, e.g. celiac disease (gluten intolerance), lactose intolerance (intolerance to milk sugar, common in non-Europeans), and fructose malabsorption.

Milk allergy

milk allergiesmilkallergic
Allergies and intolerances to a food group may coexist with separate pathologies; for example, cow's milk allergy (CMA) and lactose intolerance are two distinct pathologies.
Milk allergy is distinct from lactose intolerance, which is a nonallergic food sensitivity, due to the lack of the enzyme lactase in the small intestines to break lactose down into glucose and galactose.

Tartrazine

yellow 5Yellow #5dye Yellow No. 5
The most widely distributed naturally occurring food chemical capable of provoking reactions is salicylate, although tartrazine and benzoic acid are well recognised in susceptible individuals.
Although tartrazine is one of various food colors said to cause food intolerance and ADHD-like behavior in children, evidence for this claim is lacking.

Histamine intolerance

Subgroups include enzymatic (e.g. lactose intolerance due to lactase deficiency), pharmacological (e.g. reactions against biogenic amines, histamine intolerance), and undefined food intolerance (e.g. against some food additives).
Food intolerance

Non-celiac gluten sensitivity

gluten sensitivitynon-coeliac gluten sensitivitygluten sensitive
Gluten sensitivity
Approximately 35% of patients suffer other food intolerances, mainly lactose intolerance.

Egg allergy

eggsegg allergiesEgg
Egg intolerance
Because this mechanism is classified as a pharmacological reaction, or "pseudoallergy", the condition is considered a food intolerance instead of a true immunoglobulin E (IgE) based allergic reaction.

Gluten-related disorders

gluten intolerancegluten-sensitive enteropathygluten sensitivity
Gluten-sensitive enteropathy
Furthermore, associated to gluten sensitivity, NCGS people may often present IgE-mediated allergies to one or more foods and it is estimated that around 35% of patients suffer some food intolerances, mainly lactose intolerance.

Functional gastrointestinal disorder

functional gastrointestinal disordersFunctional bowel disorderFunctional gastrointestinal (GI) disorders
FODMAPs are not the cause of irritable bowel syndrome nor other functional gastrointestinal disorders, but rather a person develops symptoms when the underlying bowel response is exaggerated or abnormal.
Food intolerance

Food additive

food additivesadditivesadditive
Food intolerance is a detrimental reaction, often delayed, to a food, beverage, food additive, or compound found in foods that produces symptoms in one or more body organs and systems, but generally refers to reactions other than food allergy.

Immunoglobulin E

IgEImmunoglobulin E (IgE)immunoglobulin epsilon-chains
Food allergies are immune reactions, typically an IgE reaction caused by the release of histamine but also encompassing non-IgE immune responses.

Histamine

histaminesantihistaminicHis
Food allergies are immune reactions, typically an IgE reaction caused by the release of histamine but also encompassing non-IgE immune responses.

Chemical substance

chemicalchemicalssubstance
Intolerance can result from the absence of specific chemicals or enzymes needed to digest a food substance, as in hereditary fructose intolerance.

Enzyme

enzymologyenzymesenzymatic
Intolerance can result from the absence of specific chemicals or enzymes needed to digest a food substance, as in hereditary fructose intolerance.

Digestion

digestivedigestdigested
Intolerance can result from the absence of specific chemicals or enzymes needed to digest a food substance, as in hereditary fructose intolerance.

Hereditary fructose intolerance

Fructose intolerance
Intolerance can result from the absence of specific chemicals or enzymes needed to digest a food substance, as in hereditary fructose intolerance.

Pharmacology

pharmacologistpharmacologicalpharmacologically
Food intolerance reactions can include pharmacologic, metabolic, and gastro-intestinal responses to foods or food compounds.

Foodborne illness

food poisoningptomaine poisoningptomaine
Food intolerance does not include either psychological responses or foodborne illness.

Diabetes mellitus

diabetesdiabeticdiabetics
Metabolic food reactions are due to inborn or acquired errors of metabolism of nutrients, such as in diabetes mellitus, lactase deficiency, phenylketonuria and favism.

Phenylketonuria

PKUlarge neutral amino acid-transporter 1phenylketonuria, maternal
Metabolic food reactions are due to inborn or acquired errors of metabolism of nutrients, such as in diabetes mellitus, lactase deficiency, phenylketonuria and favism.