Celiac Disease Symptoms Checklist: 40+ Signs You Might Have It

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By Check Gluten Team β˜…β˜…β˜…β˜…β˜… Published Mar 1, 2026 Β· Last reviewed Apr 2026

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Celiac disease has over 40 known symptoms β€” many are non-digestive. Use this checklist to see if you should get tested.

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Could You Have Celiac Disease?


Celiac disease affects 1 in 100 people worldwide, but 80% are undiagnosed. Many people suffer for years before getting the right diagnosis because celiac has over 40 symptoms β€” and many are NOT digestive.


Digestive Symptoms


Check if you experience any of these regularly:


  • β–Ίβ˜ Chronic bloating after meals
  • β–Ίβ˜ Diarrhea (sometimes alternating with constipation)
  • β–Ίβ˜ Abdominal pain or cramping
  • β–Ίβ˜ Excessive gas
  • β–Ίβ˜ Nausea or vomiting
  • β–Ίβ˜ Pale, foul-smelling, floating stools (steatorrhea)
  • β–Ίβ˜ Acid reflux / GERD
  • β–Ίβ˜ Unintentional weight loss
  • β–Ίβ˜ Lactose intolerance (develops suddenly in adults)
  • β–Ίβ˜ Loss of appetite

  • Neurological & Mental Health Symptoms


    These are often overlooked celiac indicators:


  • β–Ίβ˜ Brain fog and difficulty concentrating
  • β–Ίβ˜ Chronic fatigue (not improved by sleep)
  • β–Ίβ˜ Headaches or migraines
  • β–Ίβ˜ Peripheral neuropathy (tingling/numbness in hands and feet)
  • β–Ίβ˜ Depression and anxiety
  • β–Ίβ˜ Irritability (especially in children)
  • β–Ίβ˜ Balance problems (ataxia)

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    Skin, Hair & Mouth


  • β–Ίβ˜ Dermatitis herpetiformis (itchy, blistering skin rash on elbows, knees, buttocks)
  • β–Ίβ˜ Canker sores (recurrent mouth ulcers)
  • β–Ίβ˜ Tooth enamel defects (discoloration, pitting, grooves)
  • β–Ίβ˜ Hair loss (thinning, alopecia areata)
  • β–Ίβ˜ Easy bruising

  • Bone, Joint & Muscle


  • β–Ίβ˜ Bone pain or osteoporosis (especially at a young age)
  • β–Ίβ˜ Joint pain (without rheumatoid arthritis diagnosis)
  • β–Ίβ˜ Muscle cramps
  • β–Ίβ˜ Short stature or delayed growth (in children)

  • Blood & Immune System


  • β–Ίβ˜ Iron-deficiency anemia that doesn't respond to supplements
  • β–Ίβ˜ B12 or folate deficiency
  • β–Ίβ˜ Vitamin D deficiency
  • β–Ίβ˜ Frequent infections
  • β–Ίβ˜ Other autoimmune conditions (Type 1 diabetes, thyroid disease, autoimmune liver disease)

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    Reproductive & Hormonal


  • β–Ίβ˜ Unexplained infertility
  • β–Ίβ˜ Recurrent miscarriages
  • β–Ίβ˜ Late onset puberty
  • β–Ίβ˜ Irregular periods

  • "Silent" Celiac (No Obvious Symptoms)


    Some people have NO noticeable symptoms but still have intestinal damage. This is called silent celiac disease. You may only discover it through:


  • β–ΊRoutine blood work showing nutrient deficiencies
  • β–ΊA family member's celiac diagnosis (first-degree relatives have a 1 in 10 chance)
  • β–ΊScreening for another autoimmune condition

  • How Many Did You Check?


    CheckedWhat to Do
    0-3Probably not celiac, but monitor symptoms
    4-8Consider testing β€” talk to your doctor
    9+Strongly recommend celiac blood panel β€” mention these specific symptoms to your doctor

    How to Get Tested


  • Blood test β€” Ask your doctor for a tTG-IgA test (tissue transglutaminase). You MUST be eating gluten for accurate results.
  • Biopsy β€” If blood test is positive, an endoscopy will confirm by examining your small intestine.
  • Genetic test β€” HLA-DQ2/DQ8 test can rule out celiac if negative.

  • Chef's Note

    ⚠️ Do NOT go gluten-free before testing. Eliminating gluten before blood work or biopsy can cause false negatives.


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    About the Author

    SM

    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 β†’

    Medical 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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