Small Animal Formulary 6Th Edition
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BSAVA Small Animal Formulary Ian Ramsey 6th edition Small Animal Formulary 6th edition Editor-in-Chief: Ian Ramsey BVSc PhD DSAM DipECVIM-CA FHEA MRCVS Small Animal Hospital, University of Glasgow, Bearsden Road, Bearsden, Glasgow G61 1QH Published by: British Small Animal Veterinary Association Woodrow House, 1 Telford Way, Waterwells Business Park, Quedgeley, Gloucester GL2 2AB A Company Limited by Guarantee in England. Registered Company No. 2837793. Registered as a Charity. Copyright © 2008 BSAVA First edition 1994 Second edition 1997 Third edition 1999 Reprinted with corrections 2000 Fourth edition 2002 Reprinted with corrections 2003 Fifth edition 2005 Reprinted with corrections 2007 All rights reserved. No part of this publication may be reproduced, stored in a retrieval system, or transmitted, in form or by any means, electronic, mechanical, photocopying, recording or otherwise without prior written permission of the copyright holder. A catalogue record for this book is available from the British Library. ISBN 978 1 905319 11 4 The publishers and contributors cannot take responsibility for information provided on dosages and methods of application of drugs mentioned in this publication. Details of this kind must be verified by individual users from the appropriate literature. Printed by: HSW Print, Rhondda, Wales. ii BSAVA Small Animal Formulary 6th edition Other titles from BSAVA: Manual of Canine & Feline Abdominal Surgery Manual of Canine & Feline Anaesthesia and Analgesia Manual of Canine & Feline Behavioural Medicine Manual of Canine & Feline Clinical Pathology Manual of Canine & Feline Dentistry Manual of Canine & Feline Emergency and Critical Care Manual of Canine & Feline Endocrinology Manual of Canine & Feline Endoscopy and Endosurgery Manual of Canine & Feline Gastroenterology Manual of Canine & Feline Haematology and Transfusion Medicine Manual of Canine & Feline Head, Neck and Thoracic Surgery Manual of Canine & Feline Infectious Diseases Manual of Canine & Feline Musculoskeletal Disorders Manual of Canine & Feline Musculoskeletal Imaging Manual of Canine & Feline Nephrology and Urology Manual of Canine & Feline Neurology Manual of Canine & Feline Oncology Manual of Canine & Feline Thoracic Imaging Manual of Canine & Feline Wound Management and Reconstruction Manual of Exotic Pets Manual of Farm Pets Manual of Ornamental Fish Manual of Practical Animal Care Manual of Practical Veterinary Nursing Manual of Psittacine Birds Manual of Rabbit Medicine and Surgery Manual of Raptors, Pigeons and Passerine Birds Manual of Reptiles Manual of Small Animal Cardiorespiratory Medicine and Surgery Manual of Small Animal Dermatology Manual of Small Animal Diagnostic Imaging Manual of Small Animal Fracture Repair and Management Manual of Small Animal Ophthalmology Manual of Small Animal Reproduction and Neonatology Manual of Wildlife Casualties Textbook of Veterinary Nursing For information on these and all BSAVA publications please visit our website: www.bsava.com BSAVA Small Animal Formulary 6th edition iii Contents Editorial Panel iv Preface to the sixth edition vi Foreword viii Introduction How to use the Formulary ix Distribution categories x The cascade xii ‘Off-label’ use of medicines xii Drug storage and dispensing xiv Health and safety in dispensing xv Drug listings and monographs 1 (listed A–Z by generic name) Appendix Abbreviations 358 Writing a prescription 359 Body weight to body surface area conversion tables 360 Percentage solutions 361 Dosing small and exotic animals 361 Antibacterial selection 362 Radiographic contrast agents Barium contrast media 364 Iodinated contrast media 365 MRI contrast media 367 Composition of intravenous fluids 370 Pancreatic enzyme supplements 371 Polypharmaceuticals 372 Sedative protocols Sedative combinations for dogs 372 Sedative combinations for cats 374 Sedative combinations for exotic pets 376 Chemotherapy protocols for lymphoma 378 Drugs usage in renal and hepatic insufficiency 379 Further reading 382 Suspected Adverse Reaction Form 383 Index sorted by therapeutic class 385 Index (alphabetical by generic and trade names) 392 Errata 405 iv BSAVA Small Animal Formulary 6th edition Editorial Panel Sally Anne Argyle MVB CertSAC PhD MRCVS Royal (Dick) School of Veterinary Studies, University of Edinburgh, Hospital for Small Animals, Easter Bush Veterinary Centre, Roslin, Midlothian EH25 9RG John Chitty BVetMed CertZooMed MRCVS Strathmore Veterinary Clinic, London Road, Andover, Hants SP10 2PH Jane Dobson MA DVetMed DipECVIM-CA(Oncology) MRCVS Department of Veterinary Medicine, University of Cambridge, Madingley Road, Cambridge CB3 0ES Clive M. Elwood MA VetMB MSc PhD CertSAC DipACVIM DipECVIM-CA MRCVS Davies Veterinary Specialists, Manor Farm Business Park, Higham Gobion, Hitchin, Herts SG5 3HR Heidi Featherstone BVetMed DVOphthal DipECVO MRCVS Willows Referral Service, 78 Tanworth Lane, Shirley, Solihull, West Midlands B90 4DF Simon Girling BVMS (Hons) DZooMed CBiol MIBiol MRCVS Muirfield, Glenfarg, Perthshire PH2 9QD Edward J. Hall MA VetMB PhD DipECVIM-CA MRCVS Department of Clinical Veterinary Science, University of Bristol, Langford House, Langford, Bristol BS40 5DU Hilary A. Jackson BVM&S DVD DipACVD MRCVS Dermatology Referral Practice, 528 Paisley Road West, Glasgow G64 4JG Mark W. Jackson BSc DVM PhD DipACVIM MRCVS Small Animal Hospital, University of Glasgow, Bearsden Road, Bearsden, Glasgow G61 1QH Mike Stafford Johnson MVB CertSAM MACVS DVC MRCVS 43 Waverley Road, Kenilworth, Warwickshire CV8 1JL Fraser McConnell BVM&S DVR DipECVDI CertSAM MRCVS Small Animal Teaching Hospital, University of Liverpool, Leahurst, Chester High Road, Neston, Wirral CH64 7TE Anna Meredith MA VetMB CertLAS DZooMed MRCVS Royal (Dick) School of Veterinary Studies, University of Edinburgh, Hospital for Small Animals, Easter Bush Veterinary Centre, Roslin, Midlothian EH25 9RG BSAVA Small Animal Formulary 6th edition v Daniel S. Mills BVSc PhD CBiol MIBiol ILTM CCAB DipECVBM-CA MRCVS Biological Sciences Department, University of Lincoln, Riseholme Park, Lincoln LN2 2LG Jo Murrell BVSc (Hons) PhD DipECVAA MRCVS Department of Clinical Veterinary Science, University of Bristol, Langford House, Langford, Bristol BS40 5DU Jacques Penderis BVSc MVM PhD CertVR DipECVN MRCVS Small Animal Hospital, University of Glasgow, Bearsden Road, Bearsden, Glasgow G61 1QH Ian Ramsey BVSc PhD DSAM DipECVIM-CA FHEA MRCVS Small Animal Hospital, University of Glasgow, Bearsden Road, Bearsden, Glasgow G61 1QH Richard Saunders BSc BVSc CertZooMed CIBiol MIBiol MRCVS Veterinary Department, Bristol Zoo Gardens, Bristol BS8 3HA vi BSAVA Small Animal Formulary 6th edition Preface to the sixth edition The BSAVA Small Animal Formulary enters its sixth edition with a new Editor-in-Chief and a new look. In the three years since the last edition there has been a considerable change in the classification of medicines. The details of this are presented in the Introduction and the new classification is used throughout. However, many of the drugs listed in the Formulary still remain unauthorized for the species we treat. Authorized products should always be considered first for every patient. If unauthorized drugs are to be used ahead of a authorized product there must be a clear and definable clinical advantage to their use. Frequently one unauthorized medication is preferred to another. Another new development is the inclusion in the monographs of information on specific handling requirements or human safety issues. Comments on the general handling of all drugs, including best dispensing practice, have been included in the Introduction. I urge all veterinary surgeons to read and follow this advice. The profession’s continuing legal authority to dispense medications depends on a demonstrably responsible attitude to pharmacy practice. The BSAVA Small Animal Formulary should never be the only source of information that is consulted by veterinary surgeons and nurses who are confronted with a medication that they have not used before. The format of the Formulary does not allow a detailed discussion of the use of a particular drug. Relevant textbooks, such as the excellent series of Manuals published by the BSAVA, should be consulted as well. The Formulary is designed as an aide mémoire for drugs with which readers are already partly familiar. A list of further reading is provided in this Formulary. Many of the drug uses, doses and adverse reactions that are recorded in this Formulary are taken from textbooks, which in turn have taken their information from a detailed analysis of the peer- reviewed literature. However, some information is less clear or less authoritative, particularly when considering the use of drugs in exotic species. Some information is derived from unreferenced sources, congress abstracts and even anecdotal personal communications. Ideally all drug uses, doses and adverse reactions would be obtained from well referenced sources with independent corroboration. This nirvana will not be achieved for many years, if ever. Therefore, the authors of the Formulary are now providing references for many of the drugs. This information, which will gradually be provided on the web-based version of the Formulary but not in the paper copy, will allow users to assess the level of evidence for a particular recommendation and act accordingly. BSAVA Small Animal Formulary 6th edition vii I am grateful for all the comments that have been made in the process of preparing this sixth edition and any comments on this new edition are