Antimicrobials
Norfloxacin (Noroxin)

Norfloxacin (Noroxin)

High
Moderate
~$0.25/day

Spectrum of Activity

Dosing

General Information

Prophylaxis of spontaneous bacterial peritonitis.

Uncomplicated UTI.

Monitor QTc in patients with increased risk.

  • QTc prolongation
  • Dysglycemia
  • Rash
  • Tendinopathy and rupture
  • GI upset
  • Weakness exacerbation in myasthenia gravis
  • CNS toxicity including confusion, psychosis
  • Other QTc prolonging agents
  • Divalent cations - Decreased absoprtion
  • Methadone - Increased seizures
  • Thyroid replacement - Decreases T
  • Warfarin - Increased INR

Antimicrobial class: Fluoroquinolone

Pregnancy category: C

Average serum half life: 4 hours

Urine penetration: Therapeutic

CSF penetration: Poor

Biliary penetration: Therapeutic