10 puffs of blue reliever inhaler through a spacer is similar to giving a nebuliser, and can be effective in treating children. You should still get your child checked even if they have settled and appear to be better.
You might think “but I don’t want to bother the doctor!” as you think the child has settled! All that has happened is that you have relaxed the tight muscles around the airways and given them some relief.
If your child needs to have 10 puffs of blue reliever inhaler through a spacer for symptoms then they need review by a doctor or nurse. Don’t stay at home! Have your child reviewed.