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      Clinical Pharmacology and Therapeutic Role of Prazosin and Related Alpha-Adrenoceptor Antagonists

      ,

      Cardiology

      S. Karger AG

      Prazosin, Doxazosin, Alpha receptor antagonists, Hypertension, Blood pressure, Pharmacokinetics, Serum lipids

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          Abstract

          Prazosin is a quinazoline derivative, which lowers blood pressure by selective alpha-1-receptor antagonism. It has been found that, for similar decreases in blood pressure, prazosin causes less reflex tachycardia than non-selective alpha blockers or direct vasodilators, and that it is as efficacious as other conventional antihypertensive agents (alpha-methyldopa, hydralazine, beta blockers, etc.) in controlling severe hypertension. Prazosin causes a dose-related decrease in blood pressure in humans; twice-daily dosing is sufficient for 24-hour blood pressure control. Prazosin in combination with other drugs has also been shown to control blood pressure effectively, and it has been associated with relatively few side effects. Other agents with selective alpha-1-receptor-blocking activity are under investigation: these include doxazosin, trimazosin, terazosin, and alfuzosin.

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          Author and article information

          Journal
          CRD
          Cardiology
          10.1159/issn.0008-6312
          Cardiology
          S. Karger AG
          0008-6312
          1421-9751
          1986
          1986
          11 November 2008
          : 73
          : 3
          : 164-174
          Affiliations
          Department of Materia Medica, University of Glasgow, Scotland
          Article
          174002 Cardiology 1986;73:164–174
          10.1159/000174002
          2872958
          © 1986 S. Karger AG, Basel

          Copyright: All rights reserved. No part of this publication may be translated into other languages, reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying, recording, microcopying, or by any information storage and retrieval system, without permission in writing from the publisher. Drug Dosage: The authors and the publisher have exerted every effort to ensure that drug selection and dosage set forth in this text are in accord with current recommendations and practice at the time of publication. However, in view of ongoing research, changes in government regulations, and the constant flow of information relating to drug therapy and drug reactions, the reader is urged to check the package insert for each drug for any changes in indications and dosage and for added warnings and precautions. This is particularly important when the recommended agent is a new and/or infrequently employed drug. Disclaimer: The statements, opinions and data contained in this publication are solely those of the individual authors and contributors and not of the publishers and the editor(s). The appearance of advertisements or/and product references in the publication is not a warranty, endorsement, or approval of the products or services advertised or of their effectiveness, quality or safety. The publisher and the editor(s) disclaim responsibility for any injury to persons or property resulting from any ideas, methods, instructions or products referred to in the content or advertisements.

          Page count
          Pages: 11
          Categories
          Special Article

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