Here is a list of what is thought to be the most common symptoms, but you can also find them under separate category links since the whole list can be overwhelming.
Gastrointestinal Symptoms
- Abdominal Pain
- Acid Reflux (heartburn)
- Bloating
- Constipation
- Cramping
- Diarrhea
- Flatulence
- Lactose Intolerance
- Nausea
- Upset Stomach
- Vomiting
Extra-intestinal Symptoms
- Abnormal Menstrual Cycles
- Acne
- Ataxia (balance problems)
- Bruise Easily
- Canker Sores
- Dental Enamel Issues
- Eczema/Psoriasis
- Fatigue
- Headaches (migraines)
- Hypoglycemia
- Inability to Concentrate (fuzzy brain)
- Infertility
- Joint Pain
- Muscle Cramping
- Nerve Damage
- Night Blindness
- Nosebleeds
- Peripheral Neuropathy (numbness/tingling in extremities)
- Respiratory Issues
- Rosacea
- Seizures (epilepsy)
- Swelling/Inflammation
- Weight Loss or Gain
Associated Conditions
- ADD/ADHD
- Addison’s Disease (adrenal gland atrophy)
- Alopecia Areata
- Anemia (due to malabsorption)
- Autism (While no specific evidence links autism and Celiac disease, anecdotal evidence shows improvement of symptoms in some individuals once gluten and/or lactose is removed from the diet.)
- Cardiomyopathy
- Cancer (adenocarcinoma of the small intestine, esophageal, melanoma, non-hodgekin’s lymphoma, thyroid)
- Crohn’s Disease
- Cystic Fibrosis
- Depression
- Diabetes (type 1)
- Down Syndrome
- Epilepsy
- Fybromyalgia
- Grave’s Disease (hyperthyroidism)
- Hashimoto’s Disease (hypothyroidism)
- Lupus
- Osteoporosis
- Rheumatoid Arthritis
- Sjögren’s Syndrome (glands that produce mucus become inflamed and/or destroyed)
Additional Symptoms in Children
- Behavioral Changes
- Delayed Puberty
- Failure to Thrive
- Irritability
- Learning Difficulties
