Beta Blockers are the drugs that block adrenaline.
Adrenaline is also known as the hormone epinephrine.
Beta blockers work mainly by slowing down the heart.
They do this by blocking the action of hormones like adrenaline.
Beta blockers usually come as tablets.
The Beta blocker drugs work by blocking the effects of the hormone epinephrine, also known as adrenaline.
Beta blockers cause the heart to beat more slowly and with less force, which lowers blood pressure. Beta blockers also help widen veins and arteries to improve blood flow.
Beta blockers, also known as beta-adrenergic blocking agents, are drugs that block norepinephrine and epinephrine (adrenaline) from binding to beta receptors on nerves.
Norepinephrine and epinephrine are produced by nerves throughout the body as well as by the adrenal gland.
Propranolol is a beta-blocker, so it blocks the action of adrenaline.
Adrenaline is implicated in a number of effects on the body—high blood pressure and a fast heart beat, for example—so by blocking it, propranolol lowers blood pressure, and heart rate.
Adrenaline, also known as epinephrine, is a hormone and medication which is involved in regulating visceral functions.
Adrenaline is normally produced both by the adrenal glands and by a small number of neurons in the medulla oblongata.
Key actions of adrenaline include increasing the heart rate, increasing blood pressure, expanding the air passages of the lungs, enlarging the pupil in the eye (see photo), redistributing blood to the muscles and altering the body's metabolism, so as to maximise blood glucose levels (primarily for the brain).