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Alpha blockers, also known as α-blockers or α-adrenoreceptor antagonists, are a class of pharmacological agents that act as antagonists on α-adrenergic receptors (α-adrenoceptors). [2] Historically, alpha-blockers were used as a tool for pharmacologic research to develop a greater understanding of the autonomic nervous system.
6 Mixed alpha + beta blockers. 7 Calcium channel blockers. 8 Antimineralocorticoid. 9 Antiplatelet drug. 10 Anticoagulant. 11 Fibrinolytics. 12 Diuretics. 13 References.
Alpha 1 blocker exerts its action on alpha-1 receptor, dilating the smooth muscles. [3] Alpha-1 receptor is a Gq type G-protein coupled receptor . [ 3 ] When it is activated, it will lead to activation of phospholipase C , raising the intracellular level of IP3 and DAG . [ 3 ]
Alpha 1 blockers cause vasodilation by relaxing smooth muscles that control blood vessel diameter, leading to lower blood pressure. [1] FDA-approved uses of these drugs include treating conditions like benign prostatic hyperplasia, hypertension, pheochromocytoma, extravasation management, and reversal of local anesthesia.
Alpha-1 blocker, blocks alpha receptors and it relaxes the smooth muscles in the bladder. It helps the urine to flow smoothly and it can lessen the pain caused by the bladder pressing on the prostate. [44] [45] Selective alpha-1 blockers are better tolerated than non-selective alpha blockers in the body and therefore works better on BPH. [2]
Alpha-1 blockers (108 P) Alpha-2 blockers (1 C, 67 P) Pages in category "Alpha blockers" The following 14 pages are in this category, out of 14 total.