Bacterial meningitis

Brain infection causing severe headache and stiff neck. Infection with CSF pleocytosis and Kernig's sign.

Key facts

Did you know?

Steroids must be given before or with the first antibiotic dose to be effective because they specifically block the inflammatory cascade triggered by bacterial lysis. If given even 2-4 hours after antibiotics, steroids may actually worsen outcomes by suppressing beneficial immune responses while failing to prevent initial damage.

Next: Botulism

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