Case Report

Suspected cycad (Cycas revoluta) intoxication in dogs

C. J. Botha, T. W. Naudé, G. E. Swan, Marcella M. Ashton, J. F. van der Wateren
Journal of the South African Veterinary Association | Vol 62, No 4 | a1790 | DOI: https://doi.org/10.4102/jsava.v62i4.1790 | © 2020 C. J. Botha, T. W. Naude, G. E. Swan, Marcella M. Aston, J. F. van der Wateren | This work is licensed under CC Attribution 4.0
Submitted: 27 November 2018 | Published: 31 December 1991

About the author(s)

C. J. Botha, Department of Pharmacology and Toxicology, Faculty of Veterinary Science, University of Pretoria, South Africa
T. W. Naudé, Department of Pharmacology and Toxicology, Faculty of Veterinary Science, University of Pretoria, South Africa
G. E. Swan, Department of Pharmacology and Toxicology, Faculty of Veterinary Science, University of Pretoria, South Africa
Marcella M. Ashton, Department of Pharmacology and Toxicology, Faculty of Veterinary Science, University of Pretoria, South Africa
J. F. van der Wateren, Department of Pharmacology and Toxicology, Faculty of Veterinary Science, University of Pretoria, South Africa

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Abstract

Three dogs which ingested part of the stem of a Japanese cycad (Cycas revoluta) vomited repeatedly within hours after ingestion, showed marked depression, severely congested mucous membranes, increased thirst and profuse salivation. Subsequent haematological and blood chemical investigation revealed elevated serum concentrations of alanine transaminase, an initial mild lymphocytopenia, thrombocytopenia and a leucocytosis. The dogs recovered uneventfully.

Keywords

Cycas revoluta; Japanese cycad; dogs; cycad poisoning; vomition; hepatotoxicity

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