Medically reviewed by Daniel More, MD A gluten allergy occurs when the immune system has an abnormal reaction to gluten, a ...

Diarrhea, fatigue, and skin rashes are symptoms of celiac disease. This WebMD slideshow presents a comprehensive look at celiac -- from damage to the intestines to foods that trigger the disease ...

Over time, this damage can impair nutrient absorption and cause a range of symptoms, including digestive issues, fatigue, ...

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 ...