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Description: Mechanism of Action: Prazosin is an α-blocker that competitively inhibits postsynaptic α 1 -adrenoreceptors, resulting in peripheral dilatation of arteries and veins, and decrease in total peripheral resistance and blood pressure. Onset: Within 2 hours (antihypertensive). Duration: 10-24 hours.
Prazosin: Belongs to the class of alpha-adrenoreceptor antagonists, peripherally-acting antiadrenergic agents. Used in the treatment of hypertension., Significant: Syncope (with sudden loss of consciousness), orthostatic hypotension, priapism, prolonged erections, angina, CNS depression, intraoperative floppy iris syndrome. ...
For oral dosage form (capsules): For high blood pressure: Adults—At first, 1 milligram (mg) 2 or 3 times a day. Your doctor will slowly increase your dose as needed. However, the dose is usually not more than 20 mg per day. Children—Use and dose must be determined by your doctor.
2011年12月17日 · 甲型交感神經接受體阻斷劑如doxazosin、terazosin、tamsulosin、alfuzosin和prazosin 能使前列腺和膀胱出口的平滑肌放鬆，改善排尿困難。但此類藥物須服用一個月後才會達至穩定的效果，所以如果一個月後沒有顯著改善，就可能需要調整 ...
Prazosin không ngăn cản dẫn truyền xung động thần kinh qua hạch giao cảm cũng như không gây chẹn nơron adrenergic. Cơ chế tác dụng: Prazosin, dẫn chất quinazolin là thuốc hạ huyết áp chẹn alpha1 adrenergic ngoại vi. Tác dụng hạ huyết áp là do giãn tiểu động mạch, nhờ tác dụng ...
用於治療良性前列腺增生的藥物包括：. 1. α 受體阻斷劑 (例如阿夫唑嗪、多沙唑嗪、坦索羅辛或特拉唑嗪) 這些藥物對前列腺內和膀胱頸的平滑肌張力起作用，可減低尿道阻力，使尿道得以擴闊，讓尿液更容易排出。. 這些藥物可在數星期內紓緩症狀，適用於下 ...
甲型阻斷劑 (哌唑嗪 Prazosin) 此類藥物擴張血管。常見副作用有體位性低血壓、昏昏欲睡、頭暈、 頭痛等。 貯存方法 把藥物存放在陰涼及乾燥的地方 ，避免高溫或光線直接照射。除個別藥物有特別指示外，一般毋須存放在雪櫃內。 把藥物存放在兒童不能 ...
