Celiac disease symptoms can vary from person to person. Some people may not have symptoms at all. Celiac disease may be apparent early in life or may not appear until adulthood.

General symptoms may include:

• Abdominal cramps, bloating, and gas
• Diarrhea
• Vomiting
• Foul-smelling, light-colored, oily stool
• Constipation
• Weight loss
• Changes in appetite
• Fatigue or irritability
• Lightheadedness
• Dental problems that affect the teeth such as enamel damage or discoloration
• Muscle cramps and joint pain
• Menstrual irregularities
• Male or female infertilty

Skin problems:

• Cracked sores in the corners of the mouth—angular cheilitis
• Blistering skin rash—dermatitis herpetiformis
• Shallow sores in the mouth—aphthous ulcers

Problems of the nervous system:

• Changes in behavior
• Depression
• Tingling or numbness in the hands or feet—peripheral neuropathy

In infants and children, the inability to absorb nutrients may cause:

• Failure to thrive (in infants)
• Short stature (in children)
• Poor muscle tone
• Poorly formed or soft bones—osteomalacia
• Delayed puberty