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Beta blockers are used to treat acute cardiovascular toxicity (e.g. in overdose) caused by sympathomimetics, for instance caused by amphetamine, methamphetamine, cocaine, ephedrine, and other drugs. [38] Combined α 1 and beta blockers like labetalol and carvedilol may be more favorable for such purposes due to the possibility of "unopposed α ...
The β-blockers are an immensely important class of drugs due to their high prevalence of use. The discovery of β-blockers reaches back to more than 100 years ago, when early investigators came up with the idea that catecholamines were binding selectively to receptor-like structures and that this was the cause of their pharmacological actions. [3]
Atenolol is classified as a beta blocker with low lipophilicity and hence lower potential for crossing the blood–brain barrier and entering the brain. [39] This in turn may result in fewer effects in the central nervous system as well as a lower risk of neuropsychiatric side effects. [39]
Propranolol is a medication of the beta blocker class. [2] It is used to treat high blood pressure, a number of types of irregular heart rate, thyrotoxicosis, capillary hemangiomas, performance anxiety, and essential tremors, [2] [3] [4] as well to prevent migraine headaches, and to prevent further heart problems in those with angina or previous heart attacks. [2]
Adrenergic blocking agent. Adrenergic blocking agents are a class of drugs that exhibit its pharmacological action through inhibiting the action of the sympathetic nervous system [1] in the body. The sympathetic nervous system (SNS) is an autonomic nervous system that we cannot control by will. It triggers a series of responses after the body ...
Metoprolol is a beta blocker, or an antagonist of the β-adrenergic receptors. It is specifically a selective antagonist of the β 1 -adrenergic receptor and has no intrinsic sympathomimetic activity. [37] Metoprolol exerts its effects by blocking the action of certain neurotransmitters, specifically adrenaline and noradrenaline.
Bisoprolol. Bisoprolol, sold under the brand name Zebeta among others, is a beta blocker which is selective for the beta-1 receptor [7] and used for cardiovascular diseases, [7] including tachyarrhythmias, high blood pressure, angina, and heart failure. [7][8] It is taken by mouth. [7]
Nebivolol is a beta blocker used to treat high blood pressure and heart failure. [5] As with other β-blockers, it is generally a less preferred treatment for high blood pressure. [6] It may be used by itself or with other blood pressure medication. [6] It is taken by mouth.
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