近年来一些研究人员通过调查研究发现,在致老年性痴呆症的多种发病因素中,药物因素是极其重要的一种。长期使用某种药物有可能促使早期痴呆患者的病情加重,或是诱发尚未发现有痴呆症状的老年人发病。虽然药物引起的痴呆症状在停药后大部分可以恢复,但有相当一部分老年人即使停药 In recent years, some researchers through the investigation found that in a variety of risk factors for Alzheimer’s disease, the drug factor is extremely important. Long-term use of a drug may lead to aggravating the disease in patients with early dementia, or induce the incidence of senile dementia has not been found. Although the symptoms of dementia caused by the drug can be recovered most of the patients after discontinuation, a considerable part of the elderly even stop taking the drug