What is a receptor blocker

Beta-blockers are divided into three categories according to their different action characteristics: the first category is non-selective, acting on β1 and β2 receptors, commonly used drugs are propranolol (Xindean), which is less commonly used; the second category is selective, mainly acting on β1 receptors, commonly used drugs are metoprolol (betalactam), atenolol (amiloride), bisoprolol (Kancor), etc. The third category is also non-selective, can act on both β and α1 receptors, and has peripheral vasodilator effect, commonly used drugs are carvedilol, labetalol, and other drugs. The third category is also non-selective, can act on both β and α1 receptors, with peripheral vasodilator effect, commonly used drugs for carvedilol, labetalol.

Betaloc is a selective β1-blocker.

Betaloc is a selective β1-blocker.