6cf8bccc_chives_of_Disease_in_Childhood__First_choice
[Age (years)] 6–12 (bronchodilators) [Second choice] – [Comments] If using breath actuated or dry powder inhaler, also prescribe MDI + spacer for acute exacerbations [First choice] 
MDI + spacer, breath actuated or dry powder inhaler
How to choose delivery devices for asthma -- -- Archives of Disease in Childhood
First choice