1病例报告患者男,83岁。逐渐出现肢体震颤及下肢乏力,走路时出现“开关”现象;经头颅CT检查排除器质性病变,拟诊为帕金森病,给予多巴丝肼0.25g,每天3次口服。患者服药1周后出现幻觉,夜间尤为严重。考虑可能为服用多巴丝肼引起的不良反应,遂逐步减量停药,停药后幻觉消失。因肢体震颤加重,患者自行再次服用多巴丝肼,1周后又出现幻觉,嘱其逐步减量停用 1 case report patient male, 83 years old. Gradually appeared limb tremor and lower extremity fatigue, walking “switch ” phenomenon; by head CT examination to exclude organic disease, to be diagnosed as Parkinson’s disease, given orally 0.25g of hydrazide, oral 3 times a day. Hallucinations occur in patients after 1 week of medication, especially at night. Taking into account the possible adverse reactions caused by taking doppler hydrazide, then gradually reducing withdrawal, hallucinations disappear after stopping. Due to exacerbations of limb tremor, patients taking doppler hydrazide again on their own and hallucinations one week later, told them to de-escalate gradually