β-封锁剂是一类用于阻断胁迫激素如心脏肾上腺素的影响。他们经常为不规则的心跳，高血压和心脏病发作后规定。

不太常见，β-阻滞剂可用于治疗：

Doctors typically turn to beta-blockers forhigh blood pressure当其他药物（例如diuretics，不起作用或有太多的副作用。

Beta-遭到拦截器may be used with other blood pressure-lowering medications, includingACE抑制剂andcalcium channel blockers。

Beta-遭到拦截器have been shown to have some health benefits outside of helping the heart. For example, they protect bones by preventing the kidneys from excreting calcium into urine, and block stress hormones that could otherwise cause bone thinning over time.

Because of the way they work in the body, beta-blockers are also called beta-adrenergic blocking substances.

不同类型的β受体阻断剂以不同的方式工作。In general, these medications enhance the heart’s ability to relax. Your heart will beat slower and less forcefully when beta-blockers are working. This can helpreduce blood pressure并减轻irregular heart rhythms。

一些β-阻滞剂仅在心脏本身工作，而其他则为血管影响心脏和血管。

Your doctor may prescribe beta-blockers even if you have few symptoms ofheart problemsorheart failure。这些药物实际上可以提高心脏击败的能力。

Commonly prescribed beta-blockers include:

Beta-遭到拦截器are available in different formulas with different routes of administration, including oral, intravenous, and ophthalmic.

β-托架通常每天服用一次或两次，通常应每天同时服用。

始终按规定服用药物。让你的医生知道你是否有副作用。您不应该在未经您的医生咨询的情况下停止服用Beta-Blocker。

β-阻滞剂用于降低心跳的速度并降低血压。它们通过防止激素肾上腺素以及其他胁迫激素，从整个体内与β受体结合的肾上腺素。

Beta-遭到拦截器are Food and Drug Administration (FDA) approved 用于治疗心脏和血压相关条件，包括：

  • 心动过速
  • high blood pressure (hypertension)
  • heart attack (myocardial infarction)
  • congestive heart failure
  • 心律失常
  • coronary artery disease
  • 过度活跃的甲状腺（甲状腺功能亢进）
  • essential tremor
  • aortic dissection
  • portal hypertension

Beta-Blockers有时由医生开门非标签使用to treat other conditions, including:

Side effects of these medications can vary. Many people will experience:

  • fatigue
  • 冷手
  • 头疼
  • digestive problems
  • constipation
  • diarrhea
  • dizziness

Rarely, you may experience:

  • shortness of breath
  • trouble sleeping
  • decreased libido
  • 抑郁症

If you accidentally take a larger dose than recommended, you may experience:

如果你知道一个overdosehas occurred, call your doctor or local poison control center. The U.S. National Poison Control Center phone number is 800-222-1222.

一些较旧的β-阻滞剂 - 例如Atenolol和MetoColol - 已经报道to cause weight gain.Fluid retentionand accompanying weight gain can be signs of have heart failure, or that heart failure is getting worse.

请务必让您的医生知道您在一天内获得超过2到3磅的磅，一周内获得超过5磅，或者您的症状恶化。

You may also notice some changes in the way your heart works during day-to-day life. For example, beta-blockers prevent spikes in heart rate. You may notice that your heart rate doesn’t climb as high as it normally would during exercise.

Speak with your doctor if you’re concerned about your workouts while taking this medication. They may recommend a压力测试to determine your target heart rate during cardio.

Stress tests can also help your doctor determine how hard you feel you’re working during a workout. This is known as the rate of perceived exertion.

其他药物可以增加或减少β受体阻滞剂的效果，因此请务必告诉您的医生，您可能需要服用所有药物，维生素和草药补充剂。

Beta-遭到拦截器can interact诸如：诸如：

  • ACE抑制剂
  • allergy medications such as ephedrine, noradrenaline, or adrenaline
  • alpha-plockers.
  • anesthetics
  • 抗心律学
  • anti-ulcer medications
  • antidepressants
  • antihypertensive and antianginal drugs
  • asthma drugs
  • calcium channel blockers
  • digitalis glycosides
  • HMG-CoA reductase inhibitors
  • 辅助药剂
  • isoproterenol and dobutamine
  • neuroleptic drugs
  • nonsteroidal anti-inflammatory drugs (NSAIDs)
  • 口腔低糖可用性
  • 其他血压药物
  • psychotropic drugs
  • reserpine.
  • rifampicin (also known as rifampin)
  • 甲状腺素
  • warfarin

Beta-遭到拦截器 should not be used by people with:

  • a history of fluid retention without diuretic use
  • severe heart failure
  • Raynaud’s disease

从历史上看，Beta-Blockers在哮喘的人们中被禁忌，但这个群体 can safely use 心脏选择性β-封锁剂，也称为Beta-1选择性。

因为β-托架可能会影响血糖管理，因为通常不适用于糖尿病的人通常不推荐。

告诉你的医生如果您怀孕，计划将怀孕，或者在服用β受体阻滞的同时母乳喂养。

如果您在服用手术，包括牙科手术，同时服用Beta阻滞剂，请告诉您的医生或牙医。

没有与医生咨询的情况下不要停止拍摄博特尔。阻止β-拦截器突然可能导致健康并发症，包括：

  • heart palpitations
  • 提高血压
  • 胸痛（心绞痛）

β-封锁剂是用于降低血压，防止心脏病发作的常用药物，治疗各种心脏病疾病。他们还为青光眼，偏头痛和焦虑开辟了标签。

β-阻滞剂通过阻止压力激素对心脏的影响来降低血压。在服用β阻滞剂时遵循处方的方向。

务必告诉您的医生对您所采取的任何其他药物，草药或补充剂，因为这些可能会影响Beta-Blockers如何工作。