Description    The herbicide Paraquat caused toxicity in dogs, cats, and swine. Digestive disturbance is followed by progressive respiratory failure.
Species   Canine, Feline, Porcine
Signs   Abnormal lung or pleural sounds, Anorexia, Bloody stools, feces, hematochezia, Bradycardia, Colic, Congestion oral mucous membranes, Coughing, Cyanosis, Decreased borborygmi, Dehydration, Diarrhea, Dullness, Dyspnea, Excessive salivation, Fever, Glucosuria, Increased respiratory rate, Melena or occult blood in feces, stools, Oral mucosal ulcers, vesicles, Pain on external abdominal pressure, Tachycardia, Tongue ulcers, vesicles, Trembling, Tremor, Vomiting or regurgitation
References   Williams JH. Paraquat intoxication and associated pathological findings in three dogs in South Africa. J S Afr Vet Assoc 2016;87 [Web Reference]
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