美国国家卫生服务局警告某些人应该避免服用β阻塞剂,因为这会给健康带来危险,并且不要突然停止服用. The NHS warns certain people should avoid beta blockers due to health risks and not stop them suddenly.

NHS警告说,对于某些条件下的人来说,乙型阻塞剂可能是不安全的,包括新陈代谢酸中毒、低血压、心律失调、哮喘、无法控制的心脏病、或过敏反应史。 The NHS warns that beta blockers may be unsafe for people with certain conditions, including metabolic acidosis, low blood pressure, heart rhythm disorders, asthma, uncontrolled heart failure, or a history of allergic reactions. 有这些问题的病人在开始治疗或继续治疗之前,应先征求他们的医生意见。 Patients with these issues should consult their GP before starting or continuing treatment. 有关建议也适用于试图怀孕、怀孕或哺乳的人。 The advice also applies to those trying to conceive, pregnant, or breastfeeding. NHS警告不要突然阻止乙型阻塞剂,如果出现呼吸短促、胸腔紧紧、颤抖或皮肤黄化等症状,敦促立即进行医疗治疗。 The NHS cautions against stopping beta blockers abruptly and urges immediate medical attention if symptoms like shortness of breath, chest tightness, wheezing, or yellowing of the skin occur.