What are the IDSA guidelines for adjunctive dexamethasone in meningitis?

Updated: Jul 16, 2019
  • Author: Rodrigo Hasbun, MD, MPH; Chief Editor: Michael Stuart Bronze, MD  more...
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The Infectious Diseases Society of America guidelines recommend adjunctive dexamethasone in patients with suspected or proven community-acquired bacterial meningitis, but only in high-income countries. [23] The first dose of dexamethasone (0.4 mg/kg IV every 12 hours for 2 days or 0.15 mg/kg every 6 hours for 4 days) is given 15-20 minutes before the first dose of antibiotics.

Dexamethasone should be continued if the culture grows either S pneumoniae or H influenzae. However, some experts advise that adjunctive treatment should be continued irrespective of the causative bacterium because of the low incidence of adverse events.

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