患儿吴××,男,2岁8个月,因惊恐哭闹,幻觉幻视4小时而就诊。7小时前因患儿咳嗽,家长给其口服咳必清4片(共100mg),3小时后患儿开始烦燥不安,语言不清,四肢颤抖,双手抓舞、幻觉幻视、自诉蛇在身上爬,惊叫:“屋里有蛇!”,不认父母,惊恐万状,劝慰无效。既往体健,否认服用其他药品及可疑饮食。查体:体温36.8℃,心率126,呼吸38,血压86/50mmHg,烦燥恐惧状,面部及躯干皮肤 Children Wu × ×, male, 2 years and 8 months, due to panic crying, hallucinations visual flu 4 hours and treatment. 7 hours before the children cough, parents give oral cough must be clear 4 (a total of 100mg), 3 hours after the onset of irritability in children, language is unclear, trembling limbs, hands clapping, illusion hallucinations, self-prosecution snake climbing , Exclaimed: “There are snakes in the house!”, Unrecognizable parents, terrified, comforting invalid. Past physical health, denied taking other drugs and suspicious diet. Physical examination: body temperature 36.8 ℃, heart rate 126, breathing 38, blood pressure 86 / 50mmHg, irritability fear-like, facial and trunk skin