Celiac disease

An immune reaction to eating gluten, a protein found in wheat, barley, and rye.
Over time, the immune reaction to eating gluten creates inflammation that damages the small intestine's lining, leading to medical complications. It also prevents absorption of some nutrients (malabsorption).
== People may experience: ==
Pain areas: in the abdomen or joints
Gastrointestinal: belching, diarrhea, fat in stool, heartburn, indigestion, nausea, vomiting, or flatulence
Whole body: bone loss, fatigue, or malnutrition
Developmental: delayed puberty or slow growth
Also common: cramping, itching, lactose intolerance, skin rash, or weight loss
Category:Digestive system
Category:Immune system
Category:Not a pathogen
Category:Long-term
Category:Gluten free