 [ Symptoms ] i have a itchy rash that comes and goes what could be causing this  the rash appears in different areas of my body for an example a rash showed up on my wrist and stayed a while and went away later the same day it appeared on my stomach and then on my thighs etc its itchy while it is present at one point my hands first turned red and then start to itch really bad to the point i had to wash my hands repeatedly i work in the medical field so i wash my hands a million times a day what could be causing this reaction [ Disease ] failure to respond to a gluten free diet can be due to several reasons patients are not following a strict gluten free diet and are still eating small amounts of gluten patients are unknowingly ingesting unsuspected sources of gluten such as starch binders and fillers in medications or vitamins patients may have another co existing condition such as irritable bowel syndrome bacterial overgrowth of the small bowel microscopic colitis or pancreatic insufficiency that is causing the symptoms patients may have refractory disease or complications of celiac disease