Asthma spacers, commonly known as valved holding chambers (VHCs), are medical devices used with metered dose inhalers (MDIs) to help patients with respiratory diseases like asthma and chronic obstructive pulmonary disease (COPD) take MDI medication more effectively. Asthma spacers improve the delivery of medication to the lungs by reducing the amount of drug deposition in the mouth and throat while increasing the amount deposited in the airways. They are an integral part of effective asthma ... Read more
