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alpha blocker : ウィキペディア英語版 | alpha blocker Alpha-blockers, α-blockers, or α-adrenergic-antagonists are pharmacological agents that act as receptor antagonists of α-adrenergic receptors (α-adrenoceptors). ==Classification==
* α1-blockers or antagonists act at α1-adrenoceptors * α2-blockers or antagonists act at α2-adrenoceptors When the term "alpha blocker" is used without further qualification, it sometimes refers to α1-blockers, and sometimes refers to agents that act at both types of receptors. Examples of non-selective α-adrenergic blockers include: * Phenoxybenzamine * Phentolamine * Tolazoline * Trazodone * Typical and atypical antipsychotics Selective α1-adrenergic blockers include: * Alfuzosin * Prazosin * Doxazosin * Tamsulosin * Terazosin * Silodosin Selective α2-adrenergic blockers include: * Atipamezole * Idazoxan * Mirtazapine * Yohimbine The agents carvedilol and labetalol are both α- and β-blockers.
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「alpha blocker」の詳細全文を読む
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