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Gastroenterology and Endoscopy

Celiac Disease… A Battle Between the Body and Gluten

Celiac disease is a chronic autoimmune disorder that occurs when the body’s immune system reacts abnormally to gluten, a protein found in wheat, barley, and rye. This immune reaction causes inflammation and damage to the small intestine’s lining, specifically the villi—tiny finger-like projections responsible for absorbing nutrients. When the villi become damaged, nutrient absorption is impaired, which can lead to malnutrition and a wide range of health problems
A person holding bread while clutching their abdomen in pain, symbolizing gluten intolerance and celiac disease

Celiac disease is one of the most controversial autoimmune disorders, caused by the body’s rejection of gluten found in many common foods, posing a serious threat to intestinal health.

In the following lines, we uncover the truth about celiac disease—its causes, symptoms, and the best solutions to control and prevent its complications.

What is Celiac Disease?

Celiac disease, also known as gluten-sensitive enteropathy or coeliac sprue, is an inherited autoimmune disorder in which the immune system reacts abnormally to gluten proteins once they reach the small intestine. This leads to damage of the intestinal lining and reduced ability to absorb nutrients.

Gluten is mainly found in grains such as wheat, barley, and rye. The immune response primarily targets the lining of the small intestine, which is the key site for nutrient absorption during digestion.

Besides damaging the small intestine, celiac disease may cause several side effects of varying severity depending on the stage of diagnosis. The condition affects around 1% of people worldwide, but reports show that only 30% of cases are properly diagnosed.

What is the Difference Between Gluten Sensitivity and Celiac Disease?

Although the symptoms may appear similar, gluten sensitivity does not trigger an autoimmune response or intestinal damage, unlike celiac disease.

Wheat allergy is also different—it causes classic allergic reactions such as itching, difficulty breathing, or watery eyes, while celiac disease mainly leads to digestive issues.

What are the Silent Symptoms of Celiac Disease?

Often, celiac symptoms remain “silent” for years. Patients may only experience mild digestive issues resembling common stomach bugs, which delays suspicion of the disease.

Many people remain undiagnosed for a long time, despite repeated and worsening symptoms, making treatment more difficult.

Early-stage symptoms include:

  1. Weight loss
  2. Diarrhea
  3. Fatigue
  4. Nausea or vomiting
  5. Constipation
  6. Bloating and gas
  7. Abdominal pain

With disease progression, symptoms worsen, causing:

  1. Mouth ulcers
  2. Headaches
  3. Joint pain
  4. Elevated liver enzymes
  5. Splenic dysfunction
  6. Anemia (due to poor absorption)
  7. Osteoporosis
  8. Skin rash (dermatitis herpetiformis) with itchy blisters, often on the knees, elbows, scalp, back, or buttocks

Celiac Disease and Fertility

Symptoms in women may differ slightly from men or children, sometimes leading to menstrual disorders, early menopause, or recurrent miscarriages.

Untreated celiac disease may also cause infertility in both men and women.

How is the Celiac Disease Stool Symptoms?

Patients often have loose, pale, foul-smelling stools due to poor fat absorption.

What are the Celiac Disease Symptoms in Children?

Children show similar symptoms, but malabsorption can lead to:

  1. Growth delay in infants
  2. Delayed puberty
  3. Neurological issues (hyperactivity, ADHD)
  4. Tooth enamel damage
  5. Persistent foul-smelling stools
  6. Short stature, pallor, irritability, and abdominal swelling

In infants, symptoms often appear between 8–12 months, when solid foods like cereals or biscuits are introduced. Growth and nutrition may be significantly affected.

What Causes Celiac Disease?

The disease is linked to inherited genetic mutations that alter how the immune system reacts to gluten. The body produces antibodies against gluten in the intestine, damaging villi responsible for absorbing vitamins, minerals, and other nutrients.

Risk factors include:

  1. Gender: Higher rates in women
  2. Ethnicity: More common in Caucasians
  3. Family history: Higher risk with relatives who have celiac
  4. Associated conditions:
  5. Genetic disorders: Down syndrome, Turner syndrome
  6. Autoimmune diseases: Type 1 diabetes, rheumatoid arthritis, Addison’s disease

How is Celiac Disease Diagnosed?

Tests include:

  1. Blood tests for celiac antibodies
  2. Genetic testing for HLA markers
  3. Endoscopy with biopsy to examine intestinal damage
  4. Capsule endoscopy for imaging
  5. Skin biopsy in cases with dermatitis herpetiformis
  6. Other blood work to assess anemia, vitamin levels, and liver function

What is theTreatment for Celiac Disease?

The only effective treatment is a strict lifelong gluten-free diet, allowing the intestine to heal and regain function. Children usually recover faster than adults.

Foods containing gluten include:

  1. Wheat, barley, rye, semolina, bulgur, graham flour, malt, and starches derived from these grains

Even tiny amounts of gluten can cause intestinal damage—even without symptoms. Gluten may also be hidden in medications, cosmetics, toothpaste, supplements, preservatives, and even adhesives.

Medications

While no specific drugs cure celiac disease, medications treat complications such as:

  1. Iron, zinc, folic acid, vitamin D, B12, and K supplements for deficiencies
  2. Pain relievers for joint or abdominal pain
  3. Skin treatments for dermatitis
  4. Steroids for severe intestinal inflammation
  5. Immunosuppressants or chemotherapy for rare refractory celiac disease

What are the Best Foods for Celiac Patients?

Safe gluten-free foods include:

  1. Beans and nuts
  2. Rice and quinoa
  3. Oats (certified gluten-free)
  4. Potatoes and sweet potatoes
  5. Corn and popcorn
  6. Fresh meat and fish (avoid processed meats with hidden gluten)

What are Complications of Untreated Celiac Disease?

If left untreated, celiac disease can lead to:

  1. Intestinal cancers (small bowel lymphoma)
  2. Severe malnutrition → anemia, osteoporosis, weight loss, stunted growth in children
  3. Recurrent miscarriages or infertility
  4. Neurological issues (seizures, neuropathy)
  5. Lactose intolerance from intestinal damage

What are Celiac Disease Stages?

Based on biopsy findings:

  1. Stage 0: No visible damage
  2. Stage 1: Elevated antibodies but normal villi
  3. Stage 2: Antibody rise with enlarged intestinal gaps
  4. Stage 3: Severe villi flattening or atrophy—confirmed diagnosis

Final Note

Despite its challenges, celiac disease can be effectively managed with a lifelong gluten-free diet. By avoiding gluten and using safe food alternatives, patients can live a comfortable and healthy life.


If you still need to consult a doctor regarding this condition, you can easily book an appointment through Vezeeta

Related Keywords

السيلياكCeliac diseaseحساسية الغلوتينGluten intoleranceGluten sensitivityGluten allergyحمية خالية من الغلوتينGluten-free dietالسيلياك مرض مناعي ذاتيAutoimmune disorder celiac

References

National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK). (2021). Celiac Disease.

https://www.niddk.nih.gov/health-information/digestive-diseases/celiac-disease

Mayo Clinic. (2023). Celiac Disease.

https://www.mayoclinic.org/diseases-conditions/celiac-disease

Cleveland Clinic. (2023). Celiac Disease: Symptoms, Causes, Diagnosis & Treatment.

https://my.clevelandclinic.org/health/diseases/142/celiac-disease

Beyond Celiac Foundation. (2022). What is Celiac Disease?

https://www.beyondceliac.org/celiac-disease/

Celiac Disease Foundation. (2023). Celiac Disease Symptoms & Diagnosis.

https://celiac.org/about-celiac-disease/

American College of Gastroenterology (ACG). (2013). ACG Clinical Guidelines: Diagnosis and Management of Celiac Disease.

American Journal of Gastroenterology, 108(5), 656–676. doi:10.1038/ajg.2013.79