Description    Colchicine is an alkaloid of the plant COLCHICUM AUTUMNALE used as treatment for human diseases. Accidental ingestion was followed by clinical signs in a dog.
Species   Canine
Signs   Bloody stools, feces, hematochezia, Bradycardia, Dehydration, Diarrhea, Dullness, Hematuria, Hypothermia, Inability to stand, Melena or occult blood in feces, stools, Pale, Prolonged capillary refill time, Red or brown urine, Seizures or syncope, Vomiting or regurgitation
References   Wagenaar Z. Accidental colchicine poisoning in a dog. Can Vet J 2004;45:55 [Web Reference]
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