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

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

By Check Gluten Team · March 1, 2026


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 — and many are NOT digestive.


Digestive Symptoms


Check if you experience any of these regularly:


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

    • Neurological & Mental Health Symptoms


    These are often overlooked celiac indicators:


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

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    Skin, Hair & Mouth


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

    • Bone, Joint & Muscle


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

    • Blood & Immune System


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

    • Reproductive & Hormonal


  • •☐ Unexplained infertility
  • •☐ Recurrent miscarriages
  • •☐ Late onset puberty
  • •☐ 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:


  • •Routine blood work showing nutrient deficiencies
  • •A family member's celiac diagnosis (first-degree relatives have a 1 in 10 chance)
  • •Screening for another autoimmune condition

    • How Many Did You Check?


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

    How to Get Tested


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

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


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