Pneumonia
Pneumonia · Zápal plic (pneumonie)
What it is
Infection fills alveoli with pus; gas exchange fails locally.
Symptoms & signs
- Fever
- productive cough
- pleuritic chest pain
- breathlessness
- confusion in the elderly
- fast breathing
🚩 Get help if…
- call 112 / 911 now Struggling to breathe, or breathing very fast
- call 112 / 911 now Blue lips, confusion or very drowsy
- see a doctor soon Sharp chest pain on breathing in
- see a doctor soon Fever not better after 3 days of antibiotics
Where it strikes
Medical treatment
- Amoxicillin or doxycycline for community cases
- IV antibiotics if severe
- oxygen
- fluids
- CURB-65 to decide admission
Natural & lifestyle
- Pneumococcal and flu vaccination
- smoking cessation
- good oral hygiene
- early mobilisation
Emerging & experimental
- Rapid PCR pathogen panels
- phage therapy for resistant organisms
- host-directed steroids
Alternative, off-label & anecdotal
Approaches used outside the guidelines, with what their supporters report and what testing has found so far.
- Vitamin C — some trials show shorter illness, especially in the deficient; overall evidence is weak mixed evidence
- Zinc in children — prevents pneumonia where diets are poor; as a treatment the trials disagree mixed evidence
- Probiotics to prevent pneumonia on ventilators — trials disagree mixed evidence
- Garlic, onion poultices, echinacea — folk remedies, not tested for pneumonia anecdotal / traditional
ICD codes
- ICD-10 J18.9
- ICD-11 CA40.Z Pneumonia, organism unspecified