Lower respiratory tract infections

Common lowerRTIs include:

  • flu which can affect either the upper or lower respiratory tract
  • bronchitis infection of the airways
  • pneumonia infection of the lungs
  • bronchiolitis an infection of the small airways that affects babies and children aged under two
  • tuberculosis persistent bacterialinfection of the lungs

As with upper RTIs, the main symptom of a lower RTI is a cough. However, it's usually more severe and you may bring up phlegm and mucus. Other possible symptoms are a tight feeling in your chest, an increased rate of breathing, breathlessness and wheezing.

Content supplied by the NHS Website

Medically Reviewed by a doctor on 21 Dec 2018