Deadly Nightshade

Pictured: Deadly Nightshade

Poisonous to: Cats, Dogs

Common signs to watch for:

  • Depression
  • Elevated heart rate
  • Possible respiratory failure or hallucinations

All parts of the Belladonna plant contain tropane alkaloids, including scopolamine. In the fall, the plant will produce shiny, black berries which can further entice pets and children. These alkaloids have anticholinergic properties which inhibit nerve impulses by blocking receptors in nerve cells causing hallucinations, depression, an elevated heart rate, and possible respiratory failure.

Poison type: plants

Alternate names: Nightshade, Black or Climbing nightshade, Deadly Nightshade