Douglas J. Rhee, MD

B. ORAL ANTIBIOTICSDrug Trade Dose Notesamoxicillin Amoxil , Polymox 250–500 mg PO TID Adult dose25–50 mg/kg/day PO in 3 divided doses Pediatric doseamoxicillin /clavulanate Augmentin 250–500 mg PO TID or 875 mg PO BID Adult dose20–40 mg/kg/day PO in 3 divided doses Pediatric doseazithromycin Zithromax 500 mg PO day 1, then 250 mg QD × 4 days Adult dose20 mg/kg × 1 (pediatric dose) Dose for Chlamydia conjunctivitis 11000 mg PO × 1 (adult dose)5–12 mg/kg/day PO in one dose for 5 days Pediatric dosecephalexin Keflex 250–500 mg PO QID Adult dose25–50 mg/kg/day PO in 4 divided doses Pediatric dosecefuroxime axetil Ceftin 250–500 mg PO BID Adult dose20–30 mg/kg/day PO divided BID Pediatric doseciprofloxacin Cipro 250–750 mg PO BID Not for children or pregnancyDo not take with antacids; mustmodify dosage in renal failureCipro XE 500 mg PO QD Extended release formulaclarithromycin Biaxin 250–500 mg PO BID Adult dose15 mg/kg/day PO divided BID Pediatric dose(continued)Antibacterial Agents 5