The recommended starting dose and the highest recommended dose of Pulmicort Flexhaler, based on prior asthma therapy, are listed below:(Pulmicort Flexhaler comes as 90mcg/actuation or 180mcg/actuation inhaler) Adults: Recommended starting dose: 180mcg to 360 mcg twice daily Highest recommended dose: 720 mcg twice daily Children: Recommended starting dose: 200 180 mcg twice daily Highest recommended dose: 400 360 mcg twice daily