The rules will always error on the side of caution. . .because the first time you tell a kid he can't use an inhaler or take injury time and something happens it's lawsuit city!
24/7
Enough said, from an official's standpoint! The only thing you can hit the kid/coach with would be unsportsmanlike conduct for using something and not needing it. 99% sure it would be hard to prove it was "unneeded".