Infectious Disease Compendium



CrCl Formula

CrCl > 80: 400 mg po q 12 -24 h.

CrCl 80-50:

CrCl 50-10:

CrCl < 10:


Peritoneal dialysis:

Important side effects

Diarrhea, nausea, dizziness, headache, peripheral neuropathy, qt interval prolongation (rare), severe hypersensitivity reactions (rare), tendon rupture (rare). Maybe retinal detachment (PubMed).

Important drug interactions

Antacids, antidiabetic agents, cisapride, class ia antiarrhythmic agents, class iii antiarrhythmic agents, corticosteroids, iron, mesoridazine, phenothiazines, sucralfate, thioridazine, tricyclic antidepressants, zinc, ziprasidone.

Rants and Screeds


As with all quinolones, antacids bind the drug to prevent absorption.

Treatment of choice

Use for

Arthritis, Bronchitis, Cellulitis, Cholangitis and Cholecystitis, Cystic fibrosis, Endophthalmitis - postoperative, Gonorrhea, gynecologic infections, Helicobacter pylori - triple therapy, Legionella, Leprosy, Malaria, Meningitis, Neutropenic fever, Osteomyelitis, Pancreatitis, Peritonitis, Pneumonia, Prostatitis,Q fever, Salmonella, Typhoid fever, UTI.

Don't use for