Treatment of Enterococcus faecalis Vaginal Infection

First-line Treatment

The Infectious Diseases Society of America recommends amoxicillin 500 mg orally three times daily for 7 days as the most effective treatment regimen for uncomplicated Enterococcus faecalis vaginal infection 1, 2
E. faecalis is typically susceptible to amoxicillin, making it an effective first-line treatment 1
Amoxicillin achieves high concentrations in urogenital tissues, making it effective against E. faecalis 2

If beta-lactamase production is detected, the European Society of Clinical Microbiology and Infectious Diseases recommends replacing amoxicillin with amoxicillin-clavulanate for 7 days 3, 4
For patients with penicillin allergy, the American College of Obstetricians and Gynecologists considers Nitrofurantoin 100 mg orally every 6 hours for 7 days as an alternative option 1
Fosfomycin 3 g orally as a single dose is particularly effective for uncomplicated infections, according to the Centers for Disease Control and Prevention 1, 2

For vancomycin-resistant E. faecalis strains, the Society for Healthcare Epidemiology of America recommends Linezolid 600 mg orally every 12 hours 1, 5
Treatment duration for vancomycin-resistant strains should be based on clinical response, typically 7-10 days, as suggested by the Infectious Diseases Society of America 1
High-dose ampicillin or amoxicillin may still be effective for some vancomycin-resistant E. faecalis strains in urogenital infections, according to the European Society of Clinical Microbiology and Infectious Diseases 1, 2

Clinical cure rates of approximately 80-90% can be expected with appropriate antibiotic therapy, as reported by the Journal of Microbiology, Immunology and Infection 1
Microbiological cure should be confirmed if symptoms persist after completion of treatment, as recommended by the Centers for Disease Control and Prevention 1

The American College of Obstetricians and Gynecologists advises against underdosing amoxicillin - ensure the full 500 mg three times daily dosing 1, 2
The Centers for Disease Control and Prevention warns against confusing E. faecalis vaginal infection with bacterial vaginosis, which requires different treatment 6
The Infectious Diseases Society of America distinguishes between colonization and true infection - E. faecalis may be present without causing symptoms 2
Treatment failure may be due to antimicrobial resistance, as reported by the Journal of Microbiology, Immunology and Infection 2