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Is Deadly Nightshade toxic to cats?

YES (TOXIC)
Unfortunately, Deadly Nightshade is toxic and potentially harmful to cats. We recommend you keep your feline friends away from this plant. See the table below for more information.
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Additional Names:Nightshade, Black Nightshade, European Bittersweet, Climbing Nightshade
Scientific Name:Solanum spp
Family:Solanaceae
Toxic Principles:Solanine, saponins, atropine like substances
Clinical Signs:Hypersalivation, inappetence, severe gastrointestinal upset, diarrhea, drowsiness, CNS depression, confusion, behavioral change, weakness, dilated pupils, slow heart rate.
If you think your cat may have ingested a poisonous substance, call 888 426 4435 or your local vet
Detailed Write-up
Author:
Alec
Last Updated:
7/13/25

Is Deadly Nightshade Toxic to Cats?

Cats are curious creatures and they have an innate ability to seek out new experiences. This is great for keeping their minds and bodies active, but it can also expose them to hazardous substances. One plant that is often considered toxic to cats is Deadly Nightshade. In this article, we will explore whether Deadly Nightshade is actually toxic to cats and how you can keep your feline friend safe.

What is Deadly Nightshade?

Deadly Nightshade, also known as Atropa belladonna, is a poisonous plant that is native to Europe, North Africa, and Western Asia. It is part of the Solanaceae family, which includes tomatoes, potatoes, and eggplants. The plant produces small, purplish-black berries that resemble cherries. Despite its toxic properties, Deadly Nightshade has been used for medicinal purposes throughout history.

Is Deadly Nightshade Toxic to Cats?

There is no doubt that Deadly Nightshade is toxic to humans and animals. The plant contains alkaloids, compounds that can be toxic in small quantities. The most toxic part of the plant is the berries, which have a sweet taste that may be appealing to cats. If a cat ingests Deadly Nightshade berries, it can experience a range of symptoms, including dilated pupils, vomiting, diarrhea, tremors, seizures, and even death.

While Deadly Nightshade is known to be toxic to cats, the likelihood of a cat ingesting the plant is relatively low. Cats are not known to be attracted to the plant, and it is not commonly found in gardens or in the wild. However, it is important to keep your cat away from Deadly Nightshade if you have it growing in your garden or if you live in an area where the plant is common. The best way to prevent your cat from ingesting Deadly Nightshade is to simply remove it from your yard.

What to Do If Your Cat Ingests Deadly Nightshade

If you suspect that your cat has ingested Deadly Nightshade, you should seek veterinary care immediately. The sooner your cat receives treatment, the better its chances of recovery. Your veterinarian may induce vomiting or administer activated charcoal to help absorb the toxins. In some cases, hospitalization and supportive care may be necessary.

Other Plants That Are Toxic to Cats

While Deadly Nightshade is a concern for cat owners, there are many other plants that are also toxic to cats. Some common examples include:

  • Lilies
  • Aloe Vera
  • Poinsettia
  • Tulips
  • Daffodils
  • Hyacinths
  • Chrysanthemums
  • Rhododendrons
  • Ivy

If you have any of these plants in your home or yard, it is important to keep your cat away from them. Consider planting cat-friendly plants, such as catnip or wheatgrass, to attract your cat's attention and provide a safe alternative to potentially harmful plants.

Conclusion

While Deadly Nightshade is toxic to cats, the likelihood of a cat ingesting the plant is relatively low. Nevertheless, it is important to be aware of the plants that can harm your cat and take steps to keep them away from them. If you suspect that your cat has ingested Deadly Nightshade or any other toxic plant, seek veterinary care immediately. With the right precautions and knowledge, you can help keep your furry friend safe and healthy.

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