Dry powder inhalers (DPIs) are still useful for exacerbations, although not sure if there’s good evidence in children…

Better for ozone layer than metered dose inhalers (MDIs).

Breath activated available, helpful for some.

Rinse mouth after steroid inhaler to avoid thrush.

Spacer needs replaced at least once a year, some more often, wash regularly (Aerochamber Flow Vu is “anti-static” but still says once weekly – dishwasher safe)