Respiratory inhalers are medical devices used for the delivery of drugs to the respiratory tract, primarily for the treatment of asthma and chronic obstructive pulmonary disease (COPD). Some of the commonly used inhalers include metered dose inhalers (MDIs), dry powder inhalers (DPIs), and soft mist inhalers. MDIs utilize propellants like hydrofluoroalkanes (HFAs) to deliver the drug, DPIs use inspiratory breath to disperse powdered medication, while soft mist inhalers generate a fine mist ... Read more
