问题描述：（女 , 2岁）您好，我家宝宝20个月了，身上和手，脚上长了像几个小泡泡里面带水，化验血液的结果WBC14.7LYMPH8.96LYMPH%61.1MONO1.28MONO%8.7NEUT3.96NEUT%27.0EO0.40EQ%2.7BASO0.07BASO%0.5ALY0.36ALY%2.4LIC0.17LIC%1.2RBC5.5HGB132HCT40.5MCV74MCH24.4MCHC325PIT273MPV8.1PDW13.0PCT0.220RDW515.45怎么回事，应该用什么样的药物治疗