Douglas J. Rhee, MD

12Drug Trade Dose Notesdoxycycline Vibramycin 100 mg PO BID × 3–6 weeks Not for children or pregnancyerythromycin E-mycin 250–500 mg PO QID × 3–6 weeks Adult dose50 mg/kg/day PO divided QID for 3–6 Pediatric dose, recommended forweeks 14 days in neonatal chlamydialConjunctivitisofloxacin Floxin 300 mg PO BID for 3–6 weeks Not for children or pregnancytetracycline Achromycin 250–500 mg PO QID × 3–6 weeks Not for children or pregnancy(4) Lyme Disease 10,11If the patient has ocular involvement beyond follicular conjunctivitis occurring within the first month of infection, they must be consideredto have CNS involvement.(a) Stage 1 (erythema migrans)Early (limited to follicular conjunctivitis as above). Select one agent and treat for 14 to 21 days (except azithromycin).Drug Trade Dose Notesamoxicillin Amoxil 500 mg PO TID Preferred first line agent20–40 mg/kg/day PO in 3 divided doses Pediatric doseazithromycin Zithromax 500 mg PO QD × 1 day, then250 mg PO QD × 4 dayscefuroxime Ceftin 500 mg PO BID Adult dose20–30 mg/kg/day PO divided BID Pediatric dose (max 1 g QD)