Tracheitis
Tracheitis is an inflammation of the trachea, often caused by viral or bacterial infections, characterized by symptoms such as cough, sore throat, and difficulty swallowing.
Croup
Inflammation involving the GLOTTIS or VOCAL CORDS and the subglottic larynx. Croup is characterized by a barking cough, HOARSENESS, and persistent inspiratory STRIDOR (a high-pitched breathing sound). It occurs chiefly in infants and children.