\n\n
中文名称中不带“洛尔”的卡维地洛(Carvedilol)其实也属于 β 受体阻滞剂的一种,由于还可以阻滞其他受体,所以可能导致水肿,还可能出现体位性低血压,也就是从平卧位突然站立或长时间站立时发生低血压。
\n\n上述副作用虽然看似复杂繁多,但通常并不严重,最常见的是疲劳、双手脚冰冷、心动过缓及消化道不适等。如果出现这些常见但表现轻微的副作用,一般医生会认为可以继续服药。但是,如果出现严重呼吸困难、不能平卧、下肢水肿加重等心衰表现,建议及时就医,必要时遵医嘱减量甚至停药。
\n\n有些 β 受体阻滞剂之所以会引起气道痉挛、手脚发冷、糖脂代谢异常等副作用,是因为在发挥治疗作用的同时还对其他部位的 β 受体造成了影响,所以,医生通常会推荐能够选择性地针对某些 β 受体发挥作用的药物,例如琥珀酸美托洛尔(Metoprolol Succinate )、比索洛尔等。
\n\n由于药物的副作用会随着用药剂量的增加而增多,所以,一方面,在使用中医生会注意调整剂量至合适可耐受的范围,另一方面,如果发生了明显的副作用,要及时就医请医生诊治。
\n\n综上,服用 β 受体阻滞剂期间,务必遵循医生建议规律合理用药,服药期间留意可能带来的副作用,若副作用明显,请及时就诊。
\n\n \n\n(北京大学第一医院心血管内科王智医生参与撰写)
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