“In an ideal world, we’ll have all the required molecules available in the various inhaler combinations, which are good and safe for the patient, good and safe for the environment,” he says.

There are multiple types of inhaler medications including ... it's better to use an expired inhaler than no inhaler at all, Parsons says. An expired inhaler will not harm you and cause adverse ...

“Some types of inhalers contain a propellant (gas) to carry the medicine into the lungs. The propellant has a greenhouse gas effect, which contributes to climate change (global warming).