Comprehensive Guide on Food Intolerance

Food intolerance occurs when the body doesn't work to digest particular meals or components, causing pain and other digestive problems.

What causes food intolerance?

Food intolerance is typically caused by a lack of certain enzymes required to digest certain meals. The exact reason why some individuals develop food intolerances remains unclear.

However, certain gastrointestinal conditions can make one more susceptible to food sensitivities, such as:

  • Celiac disease
  • Inflammatory bowel disease (IBD), including Crohn’s disease and ulcerative colitis

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Common food sensitivities include

Lactose

People with lactose intolerance do not have enough lactase enzyme to break down lactose, a sugar present in milk and dairy products. This is the most common type of food intolerance.

Histamine

Histamines are naturally present in foods like cheese, pineapples, bananas, avocados, and chocolate. Red and some white wines also contain histamines. Individuals who are histamine intolerant do not create sufficient diamine oxidase enzyme to degrade this molecule.

Gluten

Gluten is a protein found in wheat, rye, and barley. Gluten sensitivity differs from celiac disease, an autoimmune disorder where gluten damages the small intestines. Those with non-celiac gluten sensitivity have difficulty digesting gluten without the autoimmune response.

What are food intolerance symptoms?

Symptoms of food intolerance typically occur soon after consuming certain foods and primarily affect the digestive system. Common symptoms include:

  • Bloating
  • Excess gas
  • Stomach pain
  • Diarrhea
  • Migraine
  • Headaches
  • A runny nose
  • Malaise, which is a general feeling of being under the weather

Treatment

Managing food intolerance primarily involves dietary adjustments and symptom management. Once the intolerance is identified, modifying your diet is crucial. Treatment options include:

  • Self-care: Avoid trigger foods, follow low carbohydrate or gluten-free diets, and make other dietary modifications.
  • Medications: Depending on the type of intolerance, certain medications or dietary supplements may help.

When to Consult a Doctor

Although food intolerance is not life-threatening and rarely requires emergency care, it is advisable to consult a doctor to evaluate your symptoms. Avoiding foods that trigger symptoms is a good first step, but professional guidance ensures you manage your diet effectively and maintain nutritional balance.

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Frequently Asked Questions

What is food intolerance, and what causes it?

Food intolerance is caused by the body's inability to digest certain foods or ingredients. Causes include enzyme deficiencies, certain gastrointestinal conditions like celiac disease and IBD, and common food sensitivities like lactose, histamine, and gluten.

How is food intolerance different from a food allergy?

Food intolerance involves digestive issues, while a food allergy triggers an immune response that can be severe and potentially life-threatening.

What are the common symptoms of food intolerance?

Common symptoms include bloating, gas, stomach pain, diarrhea, nausea, and headaches.

Which foods are most likely to cause intolerance?

Foods like dairy products, gluten-containing grains, certain fruits and vegetables, and food additives are common culprits.

How is food intolerance diagnosed?

Diagnosis typically involves keeping a food diary, elimination diets, and sometimes breath tests or blood tests.

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