Can Cats Eat Water Hemlock?

No — Water Hemlock is severely toxic to cats

Cats should not eat or be near Water Hemlock (Cicuta maculata). It contains cicutoxin which can cause violent seizures, excessive salivation, tremors in cats.

What Happens if a Cat Eats Water Hemlock?

Symptoms typically appear within 15 to 90 minutes:

  • Violent seizures
  • Excessive salivation
  • Tremors
  • Respiratory failure
  • Sudden death

My Cat Ate Water Hemlock — What Should I Do?

Veterinary emergency. Considered the most toxic plant in North America. Seizures can begin within minutes.

This is a veterinary emergency for cats. Do not wait for symptoms. Call ASPCA Poison Control (888) 426-4435 or your emergency vet immediately.

Key Facts About Water Hemlock and Cats

No — severe toxicity

No — severe toxicity

all parts

Cicuta maculata

Sources: ASPCA Animal Poison Control Center, Pet Poison Helpline, Merck Veterinary Manual. View full Water Hemlock profile.