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.
Heat can also trigger inflammation and itching. Besides directly causing eczema, hot temperatures cause the skin to dry out and also trigger sweating. Dry skin and sweating are two known triggers of eczema. When the skin gets dry, it cracks and wrinkles.