Synonyms: chest infection, bronchitis, bronchiolitis, pneumonia
Lower respiratory tract infection (LRTI) is infection below the level of the larynx and may be taken to include bronchiolitis, bronchitis and pneumonia. The presentation of these conditions will depend on age, infecting organism and site of infection.
This is a companion discussion topic for the original article at https://patient.info/doctor/paediatrics/lower-respiratory-tract-infection-in-children