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Is Western Yew toxic to cats?

YES (TOXIC)
Unfortunately, Western Yew 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:English Yew, Pacific Yew, Japanese Yew, Anglo-Japanese Yew
Scientific Name:Taxus brevifolia
Family:Taxaceae
Toxic Principles:Taxine A and B, Volatile oil
Clinical Signs:Tremors, difficulty breathing, vomiting, seizures (dogs), sudden death from acute heart failure.
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 Western Yew Toxic to Cats?

Understanding the Risks and Symptoms

Cats love to explore their surroundings, whether that’s indoors or outdoors. As a pet owner, it’s essential to know the types of plants that can harm your feline friends. One of the most common concerns is Western yew (Taxus brevifolia), which is known for its ornamental appearance and distinctive red berries.

While Western yew is a beautiful plant, it’s crucial to understand that it’s highly toxic to cats. The leaves, seeds, and bark of Western yew contain a variety of toxic compounds that can be fatal to cats if ingested. It’s important to be aware of the risks and know how to recognize the symptoms of Western yew toxicity, so you can take swift action if your pet is affected.

The Science Behind Western Yew Toxicity

Western yew toxicity occurs due to the presence of a group of toxic compounds called taxines. These compounds are found in all parts of the plant, but the highest concentration is in the needles, bark, and seeds. Taxines can cause a range of symptoms when ingested and affect the body's central nervous system.

The severity of Western yew toxicity depends on the amount of plant material your cat has consumed. Ingesting even a small amount of Western yew can lead to serious health issues, and in some cases, it can be fatal. The risk of toxicity is higher in cats because they tend to explore their surroundings by chewing or biting on plants.

The Symptoms of Western Yew Toxicity

If your cat ingests Western yew, they can develop a range of symptoms. These may include:

  • Vomiting
  • Diarrhea
  • Abdominal pain and discomfort
  • Tremors and seizures
  • Difficulty breathing
  • Incoordination and weakness
  • Heart and respiratory failure

The severity of symptoms can vary depending on the amount of plant material consumed and the cat's size and overall health. If you notice any of these symptoms in your cat after they’ve ingested Western yew, you should seek medical attention immediately.

Preventing Western Yew Toxicity

The best way to protect your cat from Western yew toxicity is to prevent them from ingesting the plant. If you have Western yew in your yard or home, make sure your cat cannot access it. Place the plant out of reach, or put it in an area that your cat cannot enter. You can also consider using a physical barrier such as fencing or a net to keep your cat away from the plant.

If you suspect that your cat has eaten Western yew, seek medical attention immediately. Your veterinarian can help identify the severity of the situation and recommend appropriate treatment. Early intervention can significantly improve your cat’s chance of recovery.

Conclusion

Western yew may be a beautiful plant, but it’s also highly toxic to cats. It's important to educate yourself on the risks and symptoms of Western yew toxicity to protect your feline friend. Preventing access to the plant is essential and seeking medical attention as soon as possible if you suspect toxicity is key to your cat’s recovery. By being aware and taking necessary precautions, you can keep your cat safe and healthy.

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