General Susceptibility

Reliably susceptible:

  • Penicillin

  • Amoxicillin/Ampicillin

  • Vancomycin

  • Linezolid

Variably susceptible:

  • Fluoroquinolones

  • Tetracycline

Aminoglycosides used for synergy if no high-level resistance

If urinary isolate, most are nitrofurantoin susceptible