10 Signs You May Have Celiac Disease (Most People Miss #4)
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Celiac disease is massively under-diagnosed. 83% of celiacs don't know they have it. Here are 10 signs you should get tested β including ones doctors often miss.
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βKey Takeaways
83% of Celiacs Don't Know They Have It
According to the Celiac Disease Foundation, an estimated 2.5 million Americans are undiagnosed with celiac disease. The average time from symptom onset to diagnosis is 6-10 years.
Why? Because many celiac symptoms are non-digestive β doctors often look for other causes first.
Here are 10 signs that should prompt celiac testing.
The 10 Signs
1. Persistent Digestive Issues
The "obvious" sign β but not everyone has it:
Why it's missed: Often diagnosed as IBS (Irritable Bowel Syndrome) instead.
2. Unexplained Fatigue
Not just being tired β celiac fatigue is debilitating:
Why it's missed: Attributed to stress, poor sleep, or depression.
3. Iron-Deficiency Anemia
The #1 non-digestive symptom that leads to celiac diagnosis. Your damaged intestine can't absorb iron properly.
Signs: pale skin, weakness, shortness of breath, cold hands/feet, brittle nails.
Why it's missed: Doctors treat the anemia without investigating the cause.
4. Brain Fog and Neurological Symptoms
This is the one most people miss:
Why it's missed: Rarely associated with a "digestive" disease.
5. Dermatitis Herpetiformis (Skin Rash)
An intensely itchy, blistering rash β usually on elbows, knees, buttocks, or scalp. This is the skin manifestation of celiac disease.
Why it's missed: Often misdiagnosed as eczema, psoriasis, or contact dermatitis.
6. Joint and Bone Pain
Celiac causes:
Why it gets missed: Attributed to aging, arthritis, or vitamin D deficiency.
7. Mouth Ulcers and Dental Problems
Why it gets missed: Blamed on stress or poor dental hygiene.
8. Mood Disorders
Celiac is linked to higher rates of:
Why it gets missed: Treated with antidepressants without investigating root cause.
9. Reproductive Issues
In women:
In men:
Why it gets missed: Rarely do fertility doctors test for celiac.
10. Family History of Autoimmune Disease
You're at higher risk if you or a first-degree relative has:
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Who Should Get Tested?
Get a celiac blood test (tTG-IgA) if you have:
The test is a simple blood draw. You MUST be eating gluten at the time of testing.
What Happens After Diagnosis
If your blood test is positive:
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The Bottom Line
Celiac disease is massively under-diagnosed because its symptoms extend far beyond digestion. If you recognize yourself in this list, ask your doctor for a tTG-IgA blood test. Early diagnosis prevents long-term complications including osteoporosis, infertility, and certain cancers.
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About the Author
Sarah Mitchell
Lead Content Writer & Nutritionist, B.S. Nutrition Science
Sarah was diagnosed with celiac disease in 2018 and writes evidence-based guides combining clinical nutrition knowledge with 6+ years of personal gluten-free living experience. All health content is medically reviewed by our advisory team.
Meet our full team βMedical Disclaimer: This article is for informational purposes only and is not a substitute for professional medical advice. Always consult your physician or a registered dietitian before making dietary changes related to celiac disease or gluten sensitivity. Read full disclaimer.
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