咳必清为苯环戊烷羧类药物,为抑髓咳嗽中枢,量过大,可致类阿托品中毒症状,我遇二例: 例1,患儿女,5岁。因咳嗽5天自服咳必清十余片。服药后20分钟出现阵发性烦躁不安、谵妄、抓空、嗜睡、面红、口干,被送我院急诊。查体:除心尖部有Ⅱ级吹风 Cough must clear for the benzene cyclopentane carboxylate drugs for the inhibition of cough center, the amount is too large, can cause symptoms of atropine poisoning, I met two cases: Example 1, children, 5 years old. Due to cough 5 days cough will clear more than ten tablets. 20 minutes after taking the medication paroxysmal irritability, delirium, emptying, drowsiness, redness, dry mouth, was sent to our hospital emergency room. Physical examination: in addition to apical Division Ⅱ hair