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Sweet Pea

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Poisonous to: Cats, Dogs, Horses

Level of toxicity: Generally mild to moderate, depending on the amount ingested

Common signs to watch for:

  • Weakness
  • Lethargy
  • Tremors
  • Seizures

The sweat pea, or Lathyrus, contains amino acids and a toxin called aminoproprionitrite. When ingested, it can cause neurological and musculoskeletal signs including weakness, lethargy, tremors and seizures. Typically, this is more commonly seen in large animals chronically grazing on sweet pea.

Poison type: Plants

Alternate names: Lathyrus