Cefuroxime Dosing for a 17-kg Child
For a 17-kg child, administer cefuroxime 50-100 mg/kg/day divided every 6-8 hours, which translates to 212-425 mg per dose given every 6-8 hours (850-1700 mg total daily dose). For more severe infections, use the higher end of this range (100 mg/kg/day).
Dosing Algorithm Based on Infection Severity
Standard Infections (Most Common)
- Dose: 50-75 mg/kg/day divided every 6-8 hours
- For 17 kg child: 212-318 mg per dose every 6-8 hours
- Total daily dose: 850-1275 mg/day
- Indications: Uncomplicated pneumonia, skin infections, urinary tract infections 1
Severe or Serious Infections
- Dose: 100 mg/kg/day divided every 6-8 hours (not to exceed maximum adult dosage)
- For 17 kg child: 425 mg per dose every 6-8 hours
- Total daily dose: 1700 mg/day
- Indications: Complicated pneumonia, severe respiratory infections 1
Bone and Joint Infections
- Dose: 150 mg/kg/day divided every 8 hours
- For 17 kg child: 637.5 mg per dose every 8 hours
- Total daily dose: 2550 mg/day 1
Bacterial Meningitis
- Dose: 200-240 mg/kg/day divided every 6-8 hours
- For 17 kg child: 850-1020 mg per dose every 6-8 hours
- Total daily dose: 3400-4080 mg/day 1
Route of Administration
Parenteral (IV/IM) cefuroxime is recommended for hospitalized children or serious infections 1. The FDA label specifies that administration of 50-100 mg/kg/day in equally divided doses every 6-8 hours has been successful for most infections susceptible to cefuroxime 1.
Clinical Context from Guidelines
While the provided guidelines [2-2] primarily address community-acquired pneumonia and list cefuroxime as an alternative oral agent for step-down therapy (not as first-line), they do not provide specific pediatric dosing for cefuroxime. The guidelines favor amoxicillin as preferred oral therapy and ceftriaxone/cefotaxime for parenteral therapy 2.
Important Caveats
- Renal function: The above doses assume normal renal function. Adjust frequency if renal insufficiency is present 1
- Duration: Continue therapy for minimum 48-72 hours after patient becomes asymptomatic or bacterial eradication is documented 1
- Monitoring: For severe infections, consider therapeutic drug monitoring, especially in critically ill patients
- Formulation matters: Oral cefuroxime axetil has variable absorption in children and may not achieve adequate concentrations for serious infections 3, 4
The higher dosage of 100 mg/kg/day should be used for more severe or serious infections, as explicitly stated in the FDA labeling 1.