Spectrum: Local Antimicrobial Stewardship, for AHS Calgary Zone

Ciprofloxacin

C. diff Risk

High

Oral Bioavailability

Excellent

Approximate Cost

IV-$4/d PO-$3/d

Spectrum Of Activity

General Spectrum of Activity

Spectrum Of Activity

General Spectrum of Activity

Antibiogram Data

Dosing

Adult

PO: 500-750mg po q12h

IV: 400mg IV q8-12h

Renal

General Information

Common Usage

Common Usage

Pseudomonal and other gram negative infections of urinary tract, bone/joint, abdomen, and other sites

Drug Monitoring

Drug Monitoring

Monitor QTc in patients with increased risk

Adverse Effects

Adverse Effects

  • QTc prolongation

  • Dysglycemia

  • CNS toxicity including confusion, psychosis

  • Tendinopathy and rupture

  • GI upset

  • Weakness exacerbation in myasthenia gravis

  • Rash

  • Retinal detachment

Major Interactions

Major Interactions

  •  CYP1A2 inhibitor - multiple interactions possible

  •  QTc prolongation - Increased risk with other agents that prolong QTc

  •  Di- & Trivalent cations including Al, Ca, Fe, Mg (antacids, dairy products, iron supplements, some enteral feeds) - decreased absorption

  •  Cyclosporine - increased levels of cyclosporine

  •  Warfarin - increased INR

  •  Methadone - lowered seizure threshold

Pharmacology

Pharmacology

Antimicrobial class: Fluoroquinolone

Pregnancy category: C

Average serum half life: 4.0

Biliary penetration: Therapeutic

CSF penetration: Moderate

Lung penetration: Therapeutic

Urine penetration: Therapeutic