患儿7.5个月早产,生后1个月来门诊健康咨询,患儿行母乳喂养,母孕后期有小腿抽筋。患儿除有时睡眠不安外,无其他症状。体检:一般状态好,未见异常体征。血清钙2.2
A 肌注维生素D<img border="0" alt="" src="https://tuku.weimei168.com/uploads/upimg/20250328/13343052_0.gif">30万U B
口服维生素D<img border="0" alt="" src="https://tuku.weimei168.com/uploads/upimg/20250328/13343052_0_1.gif">1万U C
喂维生素D强化牛奶 D
口服维生素D每日400U E
口服活性钙