Yes, these may be due to allergic reaction
to wheat and egg.
For wheat allergy
, there are two different situations. A person could be just sensitive or allergic to gluten that is in wheat, Barley or Oat products or have Celiac Disease
which is an auto-immune mediated condition that affects the lining of the small intestine
where the nutrients are absorbed.
Celia disease can be diagnosed with very good blood tests that are available . Anti Gliadin Antibodies, Endomyseal Antibodies can detect the problem and later they can confirm it by taking a sample tissue from the intestine.
Treatment is strict "Gluten Free
Get checked for AEC and also using sensitivity testing for allergy.