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Updated: May 23, 2025

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Managing Bacteremia: Insights Into Pathogen-Specific Treatment
Mariana Salvado de Morais1, Ana Gonçalves2, Gonçalo Cristóvão2
1Internal Medicine, Centro Hospitalar Universitário Lisboa Central, Lisbon, PRT.
Cureus
|March 10, 2025
Summary
Recent bacteremia treatment advances favor shorter antibiotic courses and earlier oral switch. This review details evidence-based strategies for Gram-positive and Gram-negative infections, guiding clinical decisions.
Area of Science:
- Infectious Diseases
- Clinical Pharmacology
- Antimicrobial Stewardship
Background:
- Traditional bacteremia treatment involves prolonged intravenous antibiotics.
- Recent evidence challenges these prolonged durations and IV-to-oral transition timing.
- Optimizing antibiotic therapy for bacteremia is crucial for patient outcomes and antimicrobial stewardship.
Purpose of the Study:
- To review recent evidence on bacteremia treatment duration.
- To outline strategies for transitioning from intravenous to oral antibiotic therapy.
- To provide guidance on managing Gram-positive and Gram-negative bacteremia.
Main Methods:
- Narrative review of current scientific literature.
- Integration of clinical guidelines and trial data.
- Analysis of pathogen-specific considerations.
Main Results:
- Evidence supports shorter antibiotic courses for uncomplicated bacteremia.
- Defined criteria exist for transitioning to oral therapy.
- Clinical decision-making frameworks are evolving.
Conclusions:
- Shorter antibiotic durations are increasingly supported by evidence.
- Judicious transition to oral therapy improves patient management.
- Updated strategies are essential for effective bacteremia treatment.
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