To ensure you keep all children safe it is important to check with all parents whether their children have any known food allergies.  As food allergies and intolerances are often self-diagnosed it is important to ask for written confirmation from a doctor or other qualified health professional (e.g. paediatrician, dietitian etc.).  Parents should be discouraged from self-diagnosing and starting an elimination diet without the support of a qualified health professional.  If you suspect that a child has a food allergy or intolerance you should encourage parents go to their doctor for advice and diagnosis, as key nutrients may be removed from the diet and cause nutritional deficiencies for the child if it is not properly managed.