Patients with liver and kidney problems should not receive more than 2 grams per day of ceftriaxone. Dosage ... 100 mg orally twice daily for 14 days, with or without metronidazole 500 mg ...

Ceftriaxone ... is 100 mg/kg (max, 4 gram), followed by 100 mg/kg/day (max, 4 gram/day) for 7 to 14 days. Skin or Skin Structure Infections: Children - IV/IM: Recommended daily dosage is 50 ...