Delivery of asthma medication with pressurized metered-dose inhalers is economical, effective, and convenient. This method of delivery is a critical part of the medical management program for most ...

Spacers or holding-chambers retain the medication for several seconds after its release from the MDI. They are particularly ... by priming with a puff from the inhaler (not cost-efficient ...

Spacers (chambers for metered-dose inhalers that slow the speed of the medication and hold it for a few seconds, allowing the user more time to breathe it in) are available, usually for children.