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What is Celiac Disease?

Celiac disease (CD) is a genetic autoimmune condition disease that mainly affects the gastrointestinal tract when gluten is ingested. Gluten is a protein found in wheat, barley, and rye. When someone with CD eats gluten, the lining of the small intestine becomes damaged and is unable to absorb nutrients properly.

Other Gluten-Related Conditions

Dermatitis Herpetiformis (DH)

An itchy, blistering skin rash that is associated with CD. In almost all cases, the small intestine of a person with DH is also damaged by ingesting gluten. DH is diagnosed via skin biopsy by a dermatologist. The treatment for DH is the GF diet and treatments to manage symptoms.

“Silent” Celiac Disease

No obvious symptoms are present, and testing may have only taken place due to family history or an associated condition. However, as with symptomatic CD, failure to keep to a strict GF diet can lead to long-term health complications.

Refractory Celiac Disease

A rare condition, the intestine does not heal and symptoms remain present despite 12 months on a strict GF diet.

Wheat Allergy

An allergic immune reaction to wheat ingestion that involves a different branch of the immune system from CD. Wheat allergy should be diagnosed by an allergist. Treatment is a wheat-free diet and may include medications to manage symptoms.

Non-Celiac Gluten Sensitivity (NCGS) Symptoms of NCGS are similar to those with CD. Unlike CD, however, there is minimal to no damage to the intestinal villi. Currently there is no test to diagnose NCGS. A diagnosis of NCGS can be made after CD and wheat allergy have been ruled out. Eliminating gluten from the diet is the only treatment for NCGS.

Treatment of Celiac Disease

Currently the only treatment for CD is the lifelong adherence to a strict gluten-free (GF) diet. All food that either contains gluten or might have had contact with gluten (known as cross-contact) must be avoided. Even levels of cross-contact that do not produce a noticeable reaction may cause damage to the intestine and should be avoided.

People with CD must watch for cross-contact and/or items that have been used with gluten containing food and cannot be sufficiently cleaned. For example:

  • toasters, toaster ovens, air fryers
  • food preparation surfaces
  • condiments and spreads
  • shared utensils
  • colanders/strainers
  • deep fryers

It takes time to heal, but for most people, keeping to a strict GF diet can result in an improvement in symptoms.

Who has Celiac Disease?

  • CD is common, affecting at least 1% of the population
  • Upwards of 83% of people with CD are undiagnosed
  • The genes known to be associated with CD are HLA-DQ2 and HLA-DQ8
  • When a first degree family member has CD, the probability of developing it increases significantly
  • CD can develop at any age
  • CD affects individuals of all ethnicities

Symptoms of Celiac Disease

There are over 200 symptoms of CD and they vary so widely that there is no such thing as a typical case. Many people do not experience any of the gastric symptoms that were previously thought to typify the condition. These individuals often face a delay in diagnosis.

Physical Symptoms May Include:

  • Abdominal cramping
  • Amenorrhea (absence of menstruation)
  • Anemia
  • Bloating/distention
  • Brain fog/inability to concentrate
  • Canker sores
  • Constipation
  • Dental abnormalities
  • Diarrhea
  • Edema/swelling
  • Electrolyte imbalance
  • Elevated liver enzymes
  • Fatigue
  • Headaches
  • Infertility/miscarriage
  • Osteopenia/ osteoporosis
  • Pain in bones and joints
  • Peripheral neuropathy
  • Rash (see dermatitis herpetiformis)
  • Stool abnormalities
  • Vitamin and mineral deficiencies
  • Vomiting
  • Weight loss or gain

Emotional Symptoms May Include:

  • Anxiety
  • Depression
  • Irritability
  • Mood changes

Common Symptoms in Children:

Children with CD may exhibit any of the previously listed symptoms as well as:

  • Failure to thrive
  • Delayed puberty
  • ADHD-like symptoms

Visit the Raising Our Celiac Kids (ROCK) website to learn all about celiac disease and gluten-free kids!

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