old hand holding a meter-dosed inhaler, also known as pump or allergy spray, medical device for asthma or copd patients, light

aerosol air allergy asthma background blue breath bronchial bronchitis care cartridge chronic concept copd copy cough depth device disease drug emergency equipment field focus for hand health holding inhaler instrument known large light lungs medical medicine meter-dosed meterdosed narrow object old patient patients pharmacy plastic pulmonary pump science selected selective space spray therapy tool treatment