What happens if someone with coeliac disease eats gluten by mistake?
The effect of eating glutenA protein that is found in the cereals wheat, barley and rye. varies from person to person and may last from a few hours to a few days. Symptoms of eating gluten, or being ‘glutened’, include headaches, diarrhoea, stomach pains and lethargy. The reaction is not the same as an allergic reaction and does not cause anaphylactic shock.