portrait of a man with an asthma inhaler in his hands, an asthmatic attack. the concept of treatment of bronchial asthma, cough,

adult aerosol air allergy asthma asthmatic attack background breath breathing bronchial bronchitis care caucasian cough cure device disease drug emergency equipment exacerbation hand health holding inhalation inhale inhaler inhaling isolated lung male man medical medicine old one patient people person portrait pump respiratory sick spray suffering therapy treatment white young