Poison Hemlock
DangerContains coniine causing ascending paralysis. All parts deadly, especially seeds and roots.
Quick Answer: Is Poison Hemlock Toxic to Dogs or Cats?
Use this short answer first, then read symptoms and what to do next.
Is Poison Hemlock toxic to dogs?
Yes. Treat Poison Hemlock as an emergency risk for dogs. Call your veterinarian or a pet poison hotline right away after exposure.
Is Poison Hemlock toxic to cats?
Yes. Treat Poison Hemlock as an emergency risk for cats. Call your veterinarian or a pet poison hotline right away after exposure.
Symptoms to watch for
Nervousness, trembling, muscle weakness, paralysis, respiratory failure, death
What should I do now?
EMERGENCY. Rush to vet. Highly lethal.
Dogs
Emergency risk
Cats
Emergency risk
Risk level
Danger
Symptoms
Nervousness, trembling, muscle weakness, paralysis, respiratory failure, death
What to do now
EMERGENCY. Rush to vet. Highly lethal.
Explore Related Safety Hubs
Use these hub pages for broader dog, cat, cleaner, and emergency planning guidance.
Dog Toxicity Guide
Compare Poison Hemlock with common dog food, plant, medication, and household toxicity risks.
Open hubCat poisoningCat Toxicity Guide
See cat-specific guidance for Poison Hemlock, plants, cleaners, foods, and medication risks.
Open hubEmergency planningVet Cost Hub
Plan for emergency exams, toxin ingestion care, hospitalization, and insurance decisions.
Open hubSymptoms to Watch For
Nervousness, trembling, muscle weakness, paralysis, respiratory failure, death
What to Do
EMERGENCY. Rush to vet. Highly lethal.
Plan ahead for emergency vet bills
Poisoning, broken bones, and emergency surgery can get expensive quickly. Compare costs and accident coverage before you need it.
Pet Poisoning Emergency Checklist
A one-page checklist for symptoms, product labels, emergency contacts, and what to bring to the clinic.
Clinical References
Quick Answers
Is Poison Hemlock poisonous to dogs?
Is Poison Hemlock toxic to cats?
What symptoms can Poison Hemlock cause in pets?
What should I do if my pet ate Poison Hemlock?
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