What is acute lower respiratory tract sickness?
Sicknesses in the respiratory system below the bronchi are called lower respiratory tract infections (LRTIs). Acute lower respiratory tract infections are similar to upper respiratory tract infections because the signs appear quickly and the sickness lasts between one week and three months [4]. These infections are usually caused by viruses. Sometimes viral infection is followed by a bacterial infection. Lower respiratory tract infections can last longer than 3 months and become chronic. LRTIs are also described according to where they occur in the respiratory system, as follows: Bronchi (main tubes that lead to lungs): If this airway is infected it swells, produces mucus (sputum) and can get blocked [5]. When the airway and lungs becomes blocked with mucus, there is more chance of getting a bacterial infection. If you have bronchitis you might get more tired, turn hot and then cold, have a sore throat and/or a sore back. You may also have muscle pain and a cough that produces mucus. A