Ds is 5 and astmatic. He is suffering from a cough at the moment but is fine in himself. This cold weather is not great at the moment so I decided to send him into school with a note asking that he could perhaps stay in school for break time as the cold air sets him off. When I picked him up today I was told that they thought it was best he had some fresh air and so therefore he has had to use his inhaler several times. The teacher said he was only outside for 2 minutes before we had to bring him in. I just feel annoyed that they could have avoided this if they had kept him in. Should I complain or am I being unreasonable?