1病例介绍[例1]患者男，20岁。因饮食不当，上腹饱胀不适，轻度恶心，给予甲氧氯普胺（胃复安）10毫克口服。用药约15分钟，头皮发痒，约至25分钟，全身起风团样大小不等斑丘疹，皮疹色红，按之退色，疹与疹之间皮肤正常。诊断为药物性等麻疹。给予抗组织胺药口服，2小时后症状 1 case description [Example 1] Patient male, 20 years old. Due to improper diet, abdominal full discomfort, mild nausea, given metoclopramide (metoclopramide) 10 mg orally. Medication for about 15 minutes, itchy scalp, about 25 minutes, ranging from the size of the whole body uniform rash papules, rashes red, according to the fade, normal skin between rash and rash. Diagnosed as medical and other measles. Give antihistamine orally, 2 hours later symptoms