Moxifloxacin Versus Ceftriaxone in the Treatment of Primary Pyogenic Liver Abscess

moxifloxacin 400 mg IV qd for 14 days, followed by moxifloxacin 400 mg po qd for another 1 week

ceftriaxone 2 gm IV q 12 h for 14 days, followed by cephalexin 1 gm PO q 6 h for 1 week