Description    Metaldehyde is an active ingredient in products for control of snails and slugs. Metaldehyde toxicity results in central nervous system stimulation by an unknown mechanism of action. Onset of clinical signs is reported to be from 15 minutes to approximately 24 hours after ingestion.
Species   Canine, Feline
Signs   Abnormal behavior, aggression, changing habits, Ataxia, Back spasms, Blindness, Bradycardia, Coma, Congestion oral mucous membranes, Cyanosis, Decreased respiratory rate, Dehydration, Diarrhea, Dullness, Dysmetria, Dyspnea, Excessive salivation, Excitement, Fever, Forelimb spasms, Generalized weakness, Head, face, neck spasms, Hematuria, Hindlimb spasms, Hyperesthesia, Icterus, Inability to stand, Increased respiratory rate, Miosis, Mydriasis, Nystagmus, Opisthotonus, Pale, Red or brown urine, Seizures or syncope, Sudden death, Tachycardia, Trembling, Tremor, Vomiting or regurgitation
References   Calzetta L. Geographical characteristics influencing the risk of poisoning in pet dogs: Results of a large population-based epidemiological study in Italy. Vet J 2018;Apr [Web Reference]
Cowan V. Characterizing 1341 cases of veterinary toxicoses confirmed in western Canada: A 16-year retrospective study. Can Vet J 2016;57:53 [Web Reference]
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