Lung abscess
Abscessus pulmonis · Plicní absces
What it is
A cavity of pus in the lung, usually after mouth bacteria are breathed in during drunkenness, seizures, anaesthesia or swallowing trouble, with poor teeth; sometimes from a blocked airway or tumour.
Symptoms & signs
- Cough with foul-smelling, foul-tasting sputum
- fever, night sweats
- weight loss over weeks
- chest pain
- coughing blood
🚩 Get help if…
- call 112 / 911 now Coughing up a lot of blood
- call 112 / 911 now Severe breathlessness or blue lips
- see a doctor soon Fever and cough lasting over 2 weeks
- see a doctor soon Coughing up foul-smelling phlegm
Where it strikes
Medical treatment
- Chest X-ray and CT
- Antibiotics for weeks (e.g. amoxicillin-clavulanate) — most heal trials support
- bronchoscopy to exclude tumour or foreign body
- drainage or surgery if it fails
- dental treatment
Natural & lifestyle
- Good dental hygiene
- less alcohol
- safe swallowing techniques after stroke
Emerging & experimental
- Image-guided drainage earlier in large abscesses
Alternative, off-label & anecdotal
Approaches used outside the guidelines, with what their supporters report and what testing has found so far.
- Postural drainage and chest physiotherapy — traditional; little evidence anecdotal / traditional
- Oil pulling for mouth bacteria — small studies of plaque only anecdotal / traditional
ICD codes
- ICD-10 J85.2
- ICD-11 CA43.2 Abscess of lung without pneumonia