Beta blockers, also spelled β-blockers and also sometimes known as β-adrenergic receptor antagonists, are a class of medications that are predominantly used to manage abnormal …

Beta-blockers work by blocking the action of epinephrine and norepinephrine in the organs in your body. By doing so, they can prevent your heart from beating too fast.

How do beta blockers work? Beta blockers – whose full name is beta adrenergic blocking agents – mainly work by slowing down the heart rate, which reduces the force at which blood is …

Mar 27, 2025 · Beta blockers are medicines that lower blood pressure. They also may be called beta-adrenergic blocking agents. These medicines block the effects of the hormone …

Aug 1, 2024 · Beta blockers work by blocking beta receptors. This action prevents epinephrine and norepinephrine from binding to these receptors and thereby inhibits their action inside …

May 30, 2025 · They block the effects of catecholamines, particularly norepinephrine and epinephrine, on beta-adrenergic receptors. This results in decreased heart rate, myocardial …

Aug 6, 2024 · Beta-blockers may affect a growing baby by slowing its heart rate and lowering its blood sugar level and blood pressure. These drugs can also pass to an infant through breast …

Nov 19, 2024 · Beta-blockers are used to reduce the speed of your heartbeat and lower your blood pressure. They do so by preventing the hormone adrenaline, as well as other stress …

Sep 5, 2025 · Beta-blockers attach to sites on cells called receptors that block the action of adrenaline. By blocking adrenaline, beta-blockers reduce heart rate, lower blood pressure, and …

Beta blockers work by blocking the effects of adrenaline (also known as epinephrine) on the heart. Adrenaline is a hormone that increases heart rate and the force of heart contractions, …