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Veterinary Manual

Find information on animal health topics, written for the veterinary professional.

Melioidosis in Cats

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Melioidosis in Cats

By Otto M. Radostits, CM, DVM, MSc, DACVIM (Deceased), Professor Emeritus, Department of Large Animal Clinical Sciences, Western College of Veterinary Medicine, University of Saskatchewan ; Max J. Appel, DMV, PhD, Professor Emeritus ; David A. Ashford, DVM, MPH, DSc, Assistant Area Director, International Services, APHIS, USDA ; Stephen C. Barr, BVSc, MVS, PhD, DACVIM, Professor of Medicine, Department of Clinical Sciences, College of Veterinary Medicine, Cornell University ; J. P. Dubey, MVSc, PhD, Microbiologist, Animal Parasitic Diseases Laboratory, Beltsville Agricultural Research Center, USDA ; Paul Ettestad, DVM, MS, State Public Health Veterinarian, Epidemiology and Response Division, New Mexico Department of Health ; Craig E. Greene, DVM, MS, Professor, Department of Small Animal Medicine, College of Veterinary Medicine, University of Georgia ; Delores E. Hill, PhD, Parasitologist, U.S. Department of Agriculture ; Johnny D. Hoskins, DVM, PhD, Small Animal Consultant ; Eugene D. Janzen, DVM, MVS, Professor, Production Animal Health, Faculty of Veterinary Medicine, University of Calgary ; Jodie Low Choy, BVSc, BVMS, IVAS Cert, Menzies School of Health Research; University Avenue Veterinary Hospital, Northern Territory, Australia ; Dennis W. Macy, MS, DACVIM, Professor of Medicine and Oncology, College of Veterinary Medicine and Biomedical Sciences,Colorado State University ; Dudley L. McCaw, DVM, DACVIM (Small Animal, Oncology), Professor, Department of Clinical Sciences, College of Veterinary Medicine, Kansas State University ; Barton W. Rohrbach, VMD, MPH, DACVPM, Associate Professor, Department of Comparative Medicine, Veterinary Teaching Hospital, University of Tennessee ; J. Glenn Songer, PhD, Professor, Department of Veterinary Science and Microbiology, University of Arizona ; Richard A. Squires, BVSc (Hons), PhD, DVR, DACVIM, DECVIM-CA, GCertEd, MRCVS, Head of Veterinary Clinical Sciences, School of Veterinary and Biomedical Sciences, James Cook University ; Bert E. Stromberg, PhD, Professor, Veterinary and Biomedical Sciences, College of Veterinary Medicine, University of Minnesota ; Joseph Taboada, DVM, DACVIM, Professor and Associate Dean, Office of Student and Academic Affairs, School of Veterinary Medicine, Louisiana State University ; Charles O. Thoen, DVM, PhD, Professor, Veterinary Microbiology and Preventive Medicine, College of Veterinary Medicine, Iowa State University ; John F. Timoney, MVB, PhD, Dsc, MRCVS, Keeneland Chair of Infectious Diseases, Gluck Equine Research Center, Department of Veterinary Science, University of Kentucky ; Ian Tizard, BVMS, PhD, DACVM, University Distinguished Professor of Immunology; Director, Richard M. Schubot Exotic Bird Health Center, Department of Veterinary Pathobiology, College of Veterinary Medicine and Biomedical Sciences, Texas A&M; University

Also see professional content regarding melioidosis.

Melioidosis is an uncommon bacterial infection of humans and animals. The disease-causing agent is Burkholderia pseudomallei, which occurs in the soil throughout southeast Asia, northern Australia, and the South Pacific. Melioidosis has been diagnosed in many animals, including cats and humans. Cats may succumb to infection due to a weakened immune system. The most common routes of infection are via skin inoculation, contamination of wounds, ingestion of soil or contaminated carcasses, or inhalation.

Infection may be associated with single or multiple curd-like nodules or abscesses, which can be located in any organ. Pneumonia is the most common form of the disease in both animals and humans. Lameness can occur. It is possible for an infection to lie dormant before becoming apparent. Death may result in animals with sudden and intense infections or when vital organs are affected. Treatment with antibiotics can be expensive and prolonged. Treatment protocols adopted for human infections are expected to have more success than the usual approach using conventional veterinary antibiotics. There is a risk that signs will return after treatment is discontinued, however (Veterinary.heading on page Melioidosis in Dogs).

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The acronym SLUD stands for salivation, lacrimation, urination, and defecation, which are the clinical signs associated with muscarinic cholinergic overstimulation caused by certain toxins. Signs of SLUD are most consistent with exposure to which of the following classes of chemicals?