What is the appropriate cephalexin dosage for a pediatric patient presenting with a bacterial infection?

In determining the appropriate dosage of cephalexin for pediatric patients, it's essential to consider the standard dosing guidelines for this antibiotic, which is typically based on weight and the severity of the infection being treated. The effective dose for children is commonly in the range of 20-50 mg/kg/day, divided into multiple doses.

The selected answer indicates a dosage of 25 mg/mL with a total daily amount that aligns with commonly recommended cephalexin dosing schedules for typical bacterial infections. By providing this dosage twice daily, it ensures adequate therapeutic levels while reducing the potential for side effects and maintaining compliance, as a twice-daily regimen can often be easier for caregivers to manage compared to more frequent dosing.

This approach also reflects a careful balance in ensuring that the dosage is effective enough to combat the infection without exceeding safe limits, which is crucial in pediatric care due to the variations in children’s developing bodies and potential for increased sensitivity to medications.

Other options, while they may appear to provide a therapeutic dosage, either exceed typical dosage recommendations or suggest dosing regimens that are less commonly used in practice. Therefore, this selected answer represents a careful application of pediatric pharmacology that aligns with established guidelines for cephalexin administration in children.