What part of the body does celiac disease affect?
Ethan Hayes
Published Jan 11, 2026
Celiac disease is a digestive problem that hurts your small intestine. It stops your body from taking in nutrients from food. You may have celiac disease if you are sensitive to gluten. If you have celiac disease and eat foods with gluten, your immune system starts to hurt your small intestine.
What part of the body is most affected or damaged in celiac disease?
It affects the small intestine – the part of the digestive system responsible for absorbing nutrients. If you have coeliac disease, eating gluten – a protein found in wheat, rye, barley, and oats – causes damage to the lining of your small intestine.How does the celiac disease affect the body?
When people with celiac disease eat gluten (a protein found in wheat, rye, and barley), their body mounts an immune response that attacks the small intestine. These attacks lead to damage on the villi, small fingerlike projections that line the small intestine, that promote nutrient absorption.Does celiac disease affect other body systems?
Inflammation associated with celiac disease may lead to an increased risk of developing certain gastrointestinal cancers such as cancers of the small intestine or esophagus. Inflammation and poor nutrient absorption may lead to problems affecting many other organs and systems of the body in affected individuals.Who does celiac disease most commonly affect?
Celiac disease affects children and adults in all parts of the world. In the United States, celiac disease is more common among white Americans than among other racial or ethnic groups. A celiac disease diagnosis is more common in females than in males.Understanding Coeliac Disease
What are the early warning signs of celiac disease?
9 Symptoms of Celiac Disease
- Diarrhea. Loose, watery stool is one of the first symptoms that many people experience before being diagnosed with celiac disease. ...
- Bloating. Bloating is another common symptom that people with celiac disease experience. ...
- Gas. ...
- Fatigue. ...
- Weight loss. ...
- Iron deficiency anemia. ...
- Constipation. ...
- Depression.
What are the first signs of being gluten intolerant?
Seven symptoms of a gluten intolerance
- Diarrhea and constipation. Symptoms of gluten intolerance may include constipation, fatigue, headaches, and nausea. ...
- Bloating. Another very common symptom that people report in cases of gluten intolerance is bloating. ...
- Abdominal pain. ...
- Fatigue. ...
- Nausea. ...
- Headaches. ...
- Other symptoms.
What cancers are associated with celiac disease?
There are 3 types of cancer associated with celiac disease: enteropathy-associated T-cell lymphoma (EATL), non-Hodgkin's lymphoma, and adenocarcinoma of the small intestine. It is important to remember, however, that developing cancer due to celiac disease is quite rare.Is celiac disease life threatening?
Untreated celiac disease can be life threatening.What autoimmune diseases are associated with celiac disease?
There are a number of autoimmune disorders and other serious conditions associated with celiac disease, including:
- Arthritis/Juvenile Idiopathic Arthritis. ...
- Addison's Disease. ...
- Autoimmune Hepatitis. ...
- Hashimoto's Thyroiditis (Autoimmune Thyroid Disease) ...
- Crohn's Disease; Inflammatory Bowel Disease. ...
- Chronic Pancreatitis.
Where is celiac pain?
Celiac disease is a digestive problem that hurts your small intestine. It stops your body from taking in nutrients from food. You may have celiac disease if you are sensitive to gluten. If you have celiac disease and eat foods with gluten, your immune system starts to hurt your small intestine.What triggers celiac disease?
Celiac disease can be triggered by a protein called gluten. Gluten is found in grains, like wheat, barley and rye. Changing your diet to avoid gluten often helps relieve your symptoms.What are 6 symptoms of a person with a gluten allergy?
What are the symptoms of gluten intolerance?
- Abdominal pain.
- Anemia.
- Anxiety.
- Bloating or gas.
- Brain fog, or trouble concentrating.
- Depression.
- Diarrhea or constipation.
- Fatigue.
What happens if you have celiac and keep eating gluten?
Over time, a range of problems may develop as a result of the body's reaction to gluten — from skin rashes and lactose intolerance to infertility, bone weakness and nerve damage. These can often happen even in the absence of digestive symptoms.Can you suddenly become celiac?
Research shows that celiac disease can strike at any age, even in people who have tested negative in the past. What's behind the rise in celiac among seniors? Celiac disease can strike at any age, even in people who once tested negative for the condition.What is celiac stomach pain like?
Symptoms: With celiac disease, you may have diarrhea, stomach cramps, gas and bloating, or weight loss. Some people also have anemia, which means your body doesn't make enough red blood cells, and feel weak or tired.Do celiacs have a shorter life expectancy?
Celiac disease may affect life expectancyA recent study published in JAMA found a small but significant increased risk of mortality in people with CD. Interestingly, people with CD were at an increased risk of death in all age groups studied, but mortality was greater in those diagnosed between the ages of 18 and 39.