Young's 法则:成人 200 mg,年龄 6 → 儿童 66.6667 mg 儿童剂量 = 200 × 6 / (6 + 12) = 66.6667 mg。Young's 法则按 年龄/(年龄+12) 缩放。{"result":"Child dose = 66.6667 mg. Method: Young's rule — dose = adultDose × age/(age+12).","metadata":{"input":{"method":"young","adultDose":200,"age":6},"result":{"childDose":66.6667,"childDoseUnit":"mg","method":"Young's rule (age)","formula":"dose = adultDose × age / (age + 12)","model":"Empirical age-based estimate; verify against pediatric references. Not medical advice."}}}
mg/kg:5 mg/kg × 20 kg → 100 mg 儿童剂量 = 5 × 20 = 100 mg。有儿科药物专项数据时,按体重方案是现代首选。{"result":"Child dose = 100 mg. Method: mg/kg — dose = dosePerKg × weight(kg).","metadata":{"input":{"method":"mgkg","dosePerKg":5,"weightKg":20},"result":{"childDose":100,"childDoseUnit":"mg","method":"mg/kg (per-weight regimen)","formula":"dose = dosePerKg × weight(kg)","model":"Modern first-line method when drug-specific pediatric data exist. Not medical advice."}}}