多数化疗药物抑制或杀伤癌细胞的同时,对机体内正常细胞也有毒害作用,尤其是骨髓造血细胞和胃肠道黏膜上皮细胞,这就是癌症患者出现食欲不振、恶心、呕吐、腹泻以及白细胞或血小板减少的原因。因此,化疗期间应每周至少查一次血常规, While most chemotherapy drugs inhibit or kill cancer cells, they also have toxic effects on normal cells in the body, especially bone marrow hematopoietic cells and gastrointestinal mucosal epithelial cells. This is where cancer patients suffer from loss of appetite, nausea, vomiting, diarrhea, and leukocytes or platelets. The reason for the decrease. Therefore, you should check your blood routine at least once a week during chemotherapy.