The signs and symptoms of celiac disease can vary greatly.
Although the classic signs are diarrhea and weight loss, most people with celiac disease experience few or no digestive signs or symptoms. Only about one-third of people diagnosed with celiac disease experience diarrhea, and about half have weight loss.
Twenty percent of people with celiac disease have constipation, and 10 percent are obese.
In addition to digestive problems, other signs and symptoms of celiac disease include:
- Anemia, usually resulting from iron deficiency
- Loss of bone density (osteoporosis) or softening of bone (osteomalacia)
- Itchy, blistery skin rash (dermatitis herpetiformis)
- Damage to dental enamel
- Headaches and fatigue
- Nervous system injury, including numbness and tingling in the feet and hands, and possible problems with balance
- Joint pain
- Reduced functioning of the spleen (hyposplenism)
- Acid reflux and heartburn
As many as 75 percent of children with celiac disease are overweight or obese. Digestive signs and symptoms are experienced by 20 to 30 percent of children with the condition although the precise signs and symptoms differ by age.
In infants, typical signs and symptoms of celiac disease include:
- Chronic diarrhea
- Swollen belly
- Failure to thrive or weight loss
Older children may experience:
- Short stature
- Delayed puberty
- Neurologic symptoms, including attention-deficit/hyperactivity disorder (ADHD), learning disability, headaches and lack of muscle coordination
Dermatitis herpetiformis is an itchy, blistering skin disease that stems from intestinal gluten intolerance. The rash usually occurs on the elbows, knees, torso, scalp and buttocks.
Dermatitis herpetiformis is often associated with changes to the lining of the small intestine identical to that of celiac disease, but the disease may not produce noticeable digestive symptoms.
Dermatitis herpetiformis is treated with a gluten-free diet and medication to control the rash.
When to see a doctor
Consult your doctor if you have diarrhea or digestive discomfort that lasts for more than two weeks. Consult your child's doctor if he or she is pale, irritable or failing to grow or has a potbelly and foul-smelling, bulky stools.
Be sure to consult your doctor before trying a gluten-free diet. If you stop eating gluten before you're tested for celiac disease, you may change the test results.
Celiac disease tends to run in families. If someone in your family has the condition, ask your doctor if you should be tested. Also ask your doctor about testing if you or someone in your family has a risk factor for celiac disease, such as type 1 diabetes.
May 22, 2013
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