the blond boy holds an inhaler in his hands and coughs, covers his mouth with his hand

acute adenoiditis alveoli apparatus asthma bacterial boy breath breathing bronchioles caucasian child colds compressor cough device flu fluid health illness infection inhalation inhale inhaler kid laryngitis little lungs medicine medicines mixture nebulizer particles patient pharyngitis pneumonia preschooler prevention pulmonology respiratory rhinitis shortness sick sinusitis sneezing solution spraying steam therapy tonsillitis treatment