Diagnostic Considerations for Typhoid Meningitis
Clinical Presentation and Diagnosis
- The absence of classic meningeal signs does not rule out typhoid meningitis, as the classic triad of fever, neck stiffness, and altered mental status is present in only 41-51% of bacterial meningitis cases, according to the Clinical Microbiology and Infection guidelines 1
- CSF examination should be performed unless contraindications exist, showing pleocytosis with elevated protein and low glucose, as recommended by the Clinical Microbiology and Infection guidelines 3
- Do not exclude typhoid meningitis based on absence of neck stiffness, as meningeal signs have poor sensitivity (31% for neck stiffness in adults), as stated in the Clinical Microbiology and Infection guidelines 1
Treatment and Management
- Immediate empiric antibiotic therapy with ceftriaxone 2-4g IV daily should be initiated for suspected bacterial meningitis, which provides coverage for typhoid meningitis, according to the Praxis Medical Insights guidelines 4
- Never delay antibiotics while awaiting diagnostic confirmation, as mortality remains high in untreated bacterial meningitis, as emphasized in the Praxis Medical Insights guidelines 4