You have prepared the lunch meal for the children and you find out that one of the children has an allergy to?

Question unclear. If you are asking what to do if the kid is allergic to what you prepaired, the answer is simple, don't let s/he eat it.Prepare something else.If the child ate it and developed hives, benedryl may help some.It is advisable to know specific dietary problems in any child you watch & have a rapid action plan for any unexpected reactions. Kids can develop pbms to foods they have tolerated in the past.
What food? What is the specific food and we can discuss options....