Pharmacology
Toxicology
Toxic Effects of Sennosides in Laboratory Animals and in vitroMengs U.Department of Toxicology and Experimental Pathology, Dr. Madaus GmbH & Co., Cologne, FRG
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Article / Publication Details
Published online: June 05, 2008
Issue release date: 1988
Number of Print Pages: 8
Number of Figures: 0
Number of Tables: 0
ISSN: 0031-7012 (Print)
eISSN: 1423-0313 (Online)
For additional information: https://www.karger.com/PHA
Abstract
Sennosides were tested in a wide range of toxicity studies to evaluate risk assessment. From acute studies, sennosides could be classified as only slightly toxic in rats and mice after a single oral dose. The LD5o values were about 5,000 mg/kg in both species. The cause of death was probably due to an extensive loss of water and electrolytes following massive diarrhoea. In subacute studies with rats (max. 20 mg/kg) and dogs (max. 500 mg/kg), sennosides caused no specific local or systemic toxicity. Minor increase in kidney weight in rats was toxicologically not relevant. In a 6-month study with rats, sennosides were tolerated without specific toxic effects in doses up to 100 mg/kg. Effects on food consumption, body weight gain and some biochemical parameters as well as slight renal lesions can be interpreted as secondary effects following chronic diarrhoea. Mutagenicity tests and reproduction toxicity studies showed no abnormal results.
© 1988 S. Karger AG, Basel
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Article / Publication Details
Published online: June 05, 2008
Issue release date: 1988
Number of Print Pages: 8
Number of Figures: 0
Number of Tables: 0
ISSN: 0031-7012 (Print)
eISSN: 1423-0313 (Online)
For additional information: https://www.karger.com/PHA
Copyright / Drug Dosage / Disclaimer
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.
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