Objectives Metered-dose inhalers (MDIs) contain propellants which are potent greenhouse gases. Many agencies propose a switch to alternative, low global warming potential (GWP) inhalers, such as dry ...
Over-the-counter (OTC) inhalers are not approved for treating COPD. Prescription inhalers like short-acting beta 2-agonists (SABAs) are the best for COPD. Using OTC inhalers can hide worsening ...
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