They’re called metered-dose inhalers, and they’re paired with a device called a spacer — essentially a face mask that connects to the dispenser. That enables the medicine to be given as an ...

Aim: (1) To compare the efficacy and adverse effects of treatment using nebulizers vs pressurized metered-dose inhalers (MDIs) with or without a spacer/holding chamber vs dry powder inhalers (DPIs ...

A mandate to phase out CFC as a propellant due to environmental concerns [4] provided the impetus to develop new inhaler technologies ... also contains a built-in spacer. The lower oropharyngeal ...

Pressurised metered dose inhalers (pMDI) delivering drugs for asthma, chronic obstructive pulmonary disease and other respiratory diseases currently use hydrofluorocarbon (HFC) propellants that ...

Porush created the first metered-dose inhaler (MDI) in just two months. By March 1956, the Food and Drug Administration had approved two new aerosol drugs for asthma, as well as Porush’s device ...