处方级联是指处方给患者一种药物,引起了不良事件体征和症状,为处理这些不良事件体征和症状,从而导致新的药物处方的情况。这个新的药物处方又可引起新的不良事件体征和症状,从而产生下一个处方级联。处方级联的概念在1995年被国外学者提出并得到认同且被广泛研究;而在国内,处方级联尚未得到关注及重视。处方级联危害患者健康,应被关注及研究。 Prescription cascades refer to prescriptions that give a patient a medication that causes signs and symptoms of adverse events, leading to the prescription of new medications in order to address the signs and symptoms of these adverse events. This new drug prescription in turn can cause new signs and symptoms of adverse events, resulting in the next prescription cascade. The concept of prescription cascade was proposed and recognized by foreign scholars in 1995 and widely studied. In China, the cascade of prescriptions has not received much attention and attention. Prescription cascade endanger the health of patients should be concerned about and research.