Food allergies in children with eczema most often develop in early infancy, by way of what's called the dual-allergen exposure hypothesis. "There is a window of opportunity in the first year of life whereby, based on whether the child is exposed to a food through the skin or through the gut, either sensitisation or tolerance develops respectively," explains paediatric allergy consultant Dr Helen Brough.
This is a companion discussion topic for the original article at https://patient.info/news-and-features/will-going-gluten-free-help-my-eczema