Bacterial meningitis medical therapy: Difference between revisions
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==Overview== | ==Overview== | ||
Acute bacterial meningitis is a medical emergency. Empiric antimicrobial therapy must be administered after obtaining blood and/or [[cerebrospinal fluid|cerebrospinal fluid (CSF)]] cultures in cases of suspected meningitis. Once a bacterial etiology has been identified on a [[CSF]] [[Gram stain]], treatment regimen should be individualized accordingly. Neither neuroimaging (such as [[CT scan]] and [[MRI]]) nor [[lumbar puncture]] should delay the administration of antimicrobial therapy. For neonates (age < 1 month), empirical antimicrobial therapy generally includes [[Ampicillin]] 12 g/day IV q4h {{and}} ([[Cefotaxime]] 8–12 g/day q4–6h {{or}} [[Amikacin]] 15 mg/kg/day IV q8h {{or}} [[Gentamicin]] 5 mg/kg/day IV q8h {{or}} [[Tobramycin]] 5 mg/kg/day IV q8h). For children older than 1 month and adults < 50 years, the preferred regimen is usually [[Vancomycin]] 30–45 mg/kg/day IV q8–12h {{and}} ([[Ceftriaxone]] 4 g IV q12–24h {{or}} [[Cefotaxime]] 8–12 g/day q4–6h). For adults ≥ 50 years of age, [[Ampicillin]] 12g/day IV q4h is added to the usual adult regimen. The duration of therapy is variable depending on the causative pathogen, but generally the duration is between 1-3 weeks. Adjunctive [[Dexamethasone]] at a dose of 0.15 mg/kg q6h for 2—4 days may be effective when administered early (0-20 minutes prior to administration of antimicrobial therapy) among pediatric patients with ''H. influenzae'' meningitis and among adults with ''S. pneumoniae'' meningitis. | |||
==Medical therapy== | ==Medical therapy== | ||
Revision as of 16:28, 6 January 2017
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Bacterial meningitis Microchapters |
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Diagnosis |
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Treatment |
Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Aysha Anwar, M.B.B.S[2]
Overview
Acute bacterial meningitis is a medical emergency. Empiric antimicrobial therapy must be administered after obtaining blood and/or cerebrospinal fluid (CSF) cultures in cases of suspected meningitis. Once a bacterial etiology has been identified on a CSF Gram stain, treatment regimen should be individualized accordingly. Neither neuroimaging (such as CT scan and MRI) nor lumbar puncture should delay the administration of antimicrobial therapy. For neonates (age < 1 month), empirical antimicrobial therapy generally includes Ampicillin 12 g/day IV q4h AND (Cefotaxime 8–12 g/day q4–6h OR Amikacin 15 mg/kg/day IV q8h OR Gentamicin 5 mg/kg/day IV q8h OR Tobramycin 5 mg/kg/day IV q8h). For children older than 1 month and adults < 50 years, the preferred regimen is usually Vancomycin 30–45 mg/kg/day IV q8–12h AND (Ceftriaxone 4 g IV q12–24h OR Cefotaxime 8–12 g/day q4–6h). For adults ≥ 50 years of age, Ampicillin 12g/day IV q4h is added to the usual adult regimen. The duration of therapy is variable depending on the causative pathogen, but generally the duration is between 1-3 weeks. Adjunctive Dexamethasone at a dose of 0.15 mg/kg q6h for 2—4 days may be effective when administered early (0-20 minutes prior to administration of antimicrobial therapy) among pediatric patients with H. influenzae meningitis and among adults with S. pneumoniae meningitis.