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Legionnaires' disease

Legionellosis (pneumonia legionellosa) · Legionelóza (nemoc legionářů)

What it is

Pneumonia from Legionella bacteria breathed in from water droplets — cooling towers, hot tubs, hotel showers.

Symptoms & signs

  • High fever and chills
  • dry cough
  • breathlessness
  • muscle aches and headache
  • diarrhoea and confusion

🚩 Get help if…

  • call 112 / 911 now Breathless at rest, blue lips or chest pain
  • call 112 / 911 now Confusion or very drowsy
  • see a doctor soon High fever with cough after a hotel, spa or hot tub
  • see a doctor soon Diarrhoea and fever with passing little urine

Where it strikes

Medical treatment

  • Urine antigen test
  • macrolide or quinolone antibiotics
  • hospital care, oxygen
  • public-health tracing of the source

Natural & lifestyle

  • No smoking
  • maintain water systems and hot tubs

Emerging & experimental

  • Rapid PCR diagnostics
  • water-system biofilm control

Alternative, off-label & anecdotal

Approaches used outside the guidelines, with what their supporters report and what testing has found so far.

  • Vitamin D — linked to fewer lung infections; untested here early / small studies
  • Garlic and echinacea — anecdotal anecdotal / traditional
  • Colloidal silver — untested; it can turn skin grey anecdotal / traditional

ICD codes