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Is Poison Parsnip toxic to cats?

YES (TOXIC)
Unfortunately, Poison Parsnip 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:water hemlock, cowbane
Scientific Name:Cicuta maculata
Family:Apiaceae
Toxic Principles:Cicutoxin
Clinical Signs:Diarrhea, seizures, tremors, extreme stomach pain, dilated pupils, fever, bloat, respiratory depression, and death.
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 Poison Parsnip Toxic to Cats?

Cats are curious creatures, and sometimes their curiosity can get them into trouble. Accidental ingestion of toxic substances is a common occurrence in cats, and pet owners must be aware of the potential dangers lurking in their surroundings. One of the plants that have been recently brought to attention is Poison Parsnip. In this article, we will explore the toxic effects of Poison Parsnip on cats and how pet owners can keep their feline friends safe.

What is Poison Parsnip?

Poison Parsnip, also known as Wild Parsnip or Giant Hogweed, is a plant species that belongs to the Apiaceae family. The plant is native to Asia and Europe but has been introduced to North America as an invasive species. Poison Parsnip can grow up to 5 to 14 feet tall and has yellow-green flowers that bloom in the summer. The plant is identifiable by its hollow stem with purple blotches, as well as its long, serrated leaves.

While Poison Parsnip may look similar to other flowering plants, it comes with a potentially harmful side effect. The plant produces a sap that contains a chemical compound called furanocoumarins. When the sap comes in contact with human or animal skin, it can cause severe skin irritation and burns when exposed to sunlight. Ingesting the plant can also lead to toxic symptoms in animals.

What are the Toxic Effects of Poison Parsnip in Cats?

Cats are natural carnivores, and as such, they are less likely to come into contact with Poison Parsnip than herbivorous animals such as cows or horses. However, cats can still ingest the plant accidentally while exploring their surroundings outdoors. The toxic effects of Poison Parsnip in cats include:

  • Vomiting
  • Diarrhea
  • Abdominal pain
  • Dehydration
  • Lethargy
  • Drooling
  • Photosensitivity
  • Rapid breathing
  • Difficulty breathing

The severity and onset of symptoms may vary depending on the amount of plant material ingested, as well as the age, weight, and overall health of the cat. If left untreated, Poison Parsnip toxicity can lead to more severe complications, including liver and kidney damage, and even death.

What Should You Do if Your Cat Has Ingested Poison Parsnip?

If you suspect that your cat has ingested Poison Parsnip, it is crucial to seek veterinary care immediately. Time is of the essence when it comes to toxic ingestion, and delaying treatment can worsen the prognosis. The veterinarian may perform a physical exam, blood and urine tests, and other diagnostic tests to determine the extent of the toxicity and assess the cat's overall health.

The treatment for Poison Parsnip toxicity in cats may include supportive care, such as intravenous fluids to prevent dehydration and electrolyte imbalances, medication to control vomiting or diarrhea, and in severe cases, hospitalization and intensive care. The veterinarian may also recommend bathing the affected cat with mild soap and water to remove any plant sap left on the coat, as well as avoiding exposure to sunlight to prevent further skin irritation.

How Can You Prevent Poison Parsnip Toxicity in Cats?

Prevention is always the best course of action when it comes to toxic ingestion in cats. Pet owners can take the following steps to keep their feline friends safe:

  • Avoid planting Poison Parsnip in your garden.
  • Keep your cat indoors or supervise their outdoor activities to prevent accidental ingestion of toxic plants.
  • Learn to identify the toxic plants in your area and remove them from your surroundings.
  • Teach your children and other family members to recognize and avoid toxic plants.
  • If you suspect that your cat has ingested a toxic plant, seek veterinary care immediately.

By taking these steps, pet owners can keep their cats safe from the harmful effects of Poison Parsnip and other toxic plants.

Conclusion

Poison Parsnip can be a potentially harmful plant for all living beings. While cats are less likely to come into contact with the plant than other animals, pet owners must be aware of the potential dangers of Poison Parsnip ingestion. If your cat has ingested Poison Parsnip or any other toxic plant, seek veterinary care immediately to prevent further complications. With proper prevention, pet owners can keep their feline friends safe and healthy.

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