Any Boarding School nurses out there?

[dianeskate]

If so........how do you manage the "unseen" illnesses like nausea, vomiting, headaches? We want to believe the students but are getting burned too often - seeing students who were "so sick, so nauseous" eating full meals at lunch and dinner when no one who was really ill would/could be doing that. Generally we confront them but by then they've already had time to rest and missed classes.