Suspected Bacterial Meningitis: Lumbar Puncture, Empiric Antibiotics, Steroids, Duration (WHO 2025)

Walks WHO 2025 suspected bacterial meningitis decisions: image first or defer the puncture, empiric antibiotics with Listeria and resistance add-ons, steroids and duration by setting, and contact prophylaxis.

Open the tool → Runs in your browser. Data leaves only if you deliberately send a problem report from the interactive tool.

Example

Age in years
30
Setting
Non-epidemic
Cranial imaging readily accessible
Yes
GCS below 10
No
Focal neurological signs
Yes
Cranial nerve deficits
No
Papilledema
No
New-onset seizures
No
Severe immunocompromised state
No

Result: Image the head before the lumbar puncture (focal neurological signs).

The tool opens with these values already filled in. Replace them with your own.

What you enter

  • Age in years
  • Setting
  • Cranial imaging readily accessible
  • GCS below 10
  • Focal neurological signs
  • Cranial nerve deficits
  • Papilledema
  • New-onset seizures (adult)
  • Severe immunocompromised state
The other 5 fields
  • Other Listeria risk factor (pregnancy, immunosuppressive therapy, transplant, cancer, advanced HIV, diabetes, end-stage kidney disease, cirrhosis, alcohol)
  • High local pneumococcal resistance
  • Ceftriaxone or cefotaxime available
  • Cerebral malaria suspected
  • Advanced HIV disease
How this is calculated

Citation

WHO. WHO guidelines on meningitis diagnosis, treatment and care. Geneva: WHO; 2025. Executive summary: cranial imaging, empiric treatment, duration, prophylaxis and corticosteroids (pp. xiii-xxi). Read the source ↗

A reference and educational tool. Not medical, legal, or financial advice, and not a substitute for clinician judgment.

Browse all tools

Built by Clay Good. Source on GitHub.