Lower Respiratory Infections

A lower respiratory infection is an infection in your airways and lungs. It can be due to:
influenza, or the flu
pneumonia
bronchitis
tuberculosis
Viruses usually cause lower respiratory infections. They can also be caused by bacteria. Coughing is the main symptom of a lower respiratory infection. You may also feel breathlessness, wheezing, and a tight feeling in your chest. Untreated lower respiratory infections can lead to breathing failure and death.
Impact of lower respiratory infections around the world
Risk factors and prevention
Risk factors for lower respiratory infection include:
the flu
poor air quality or frequent exposure to lung irritants
smoking
a weak immune system
crowded childcare settings, which mainly affects infants
asthma
hiv
One of the best preventative measures you can take against lower respiratory infections is to get the flu shot every year. People at high risk of pneumonia can also get a vaccine. Wash your hands regularly with soap and water to avoid transmitted bacteria, especially before touching your face and before eating. Stay at home and rest until you feel better if you have a respiratory infection, as rest improves healing.