Medically reviewed by Daniel More, MD A gluten allergy occurs when the immune system has an abnormal reaction to gluten, a protein found in the grains wheat, barley, and rye. Celiac disease is an ...

Every time she had a flare-up, Amy suffered in silence, thinking that the skin rashes and stomach cramps were temporary. When they continued, she decided to tell her parents. Medical tests revealed ...

causes symptoms similar to celiac disease — including bloating, diarrhea, fatigue, headaches and a skin rash — but eating gluten doesn’t harm the intestines. Research also suggests that the ...