肿瘤患者,特别是晚期的恶性肿瘤患者,因癌肿转移,常常会感到剧烈的疼痛,觉得浑身难受。癌痛又往往让肿瘤患者备受折磨,生活质量大为下降。尽管治疗癌痛有各种效果不错的止痛剂,但有的家属担心长期应用止痛剂有副作用,容易造成耐药性,于 Cancer patients, especially those with advanced malignant tumors, often feel severe pain and feel uncomfortable because of cancer metastasis. Cancer pain is often afflicted with cancer patients, and quality of life is greatly reduced. Although there are a variety of effective analgesics for the treatment of cancer pain, some families are concerned about long-term use of analgesics have side effects and are likely to cause drug resistance.