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出典:『Wikipedia』 (2011/08/10 14:14 UTC 版)

英語による解説

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Prazosin, trade names Minipress, Vasoflex, Pressin and Hypovase, is a sympatholytic drug used to treat high blood pressure and Anxiety, PTSD and Panic Disorder. It belongs to the class of alpha-adrenergic blockers. Specifically, prazosin is selective for the alpha-1 receptors on vascular smooth muscle. These receptors are responsible for the vasoconstrictive action of norepinephrine, which would normally raise blood pressure and cause increase in anxiety and panic. By blocking these receptors, prazosin reduces blood pressure and reduces anxiety and panic.