Antimicrobiens
Norfloxacin

Norfloxacin

High
Low (20 to 40%)
$1.20/day

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 absorption
  • Methadone - Increased seizures
  • Warfarin - Increased INR

Tablets can be crushed for NG administration; No liquid formulation available

OPEN BENEFIT (PO): No prescribing restrictions

Antimicrobial class: Fluoroquinolone

Pregnancy category: C

Average serum half life: 4 hours

Biliary penetration: Therapeutic

CSF penetration: Poor

Urine penetration: Therapeutic