Central diabetes insipidus is a decrease in the production of ADH by the hypothalamus or in the release of ADH from the pituitary while nephrogenic diabetes insipidus is characterized by a decrease in the kidney's response to ADH.
In general, it is young children with severe eczema who may have a food allergy as a trigger factor. The most common foods which cause (trigger) eczema symptoms in some people include: cows' milk, eggs, soya, wheat, fish and nuts.
Gluten rich food can cause eczema, but such foods can cause another disease called dermatitis herpetiformis. It is a chronic inflammation of the skin occurring as rashes on various parts of the skin around the digestive track. It also occurs with similar itchy symptoms as does eczema.