Suspect poisoning? US: ASPCA Poison Control (888) 426-4435 · UK: 01202 509 000 · Severe symptoms → nearest emergency vet now.

Toxic Houseplants Poisoning in Dogs and Cats

Many common houseplants can be toxic to pets if ingested.

Last reviewed: 2026-09-05 · Reference ranges: ASPCA, Pet Poison Helpline & Merck Veterinary Manual

Treat this as a potential emergency — not a "wait and see" situation.
Contact your vet before symptoms even appear.

US: ASPCA Animal Poison Control (888) 426-4435 · Pet Poison Helpline (855) 764-7661

UK: Veterinary Poisons Information Service 01202 509 000

Why are some houseplants toxic?

Many houseplants contain toxins that can cause vomiting, diarrhea, and even death if ingested.

Cats are particularly sensitive to certain plants.

Why speed matters

Delaying care significantly worsens outcomes. Some signs appear hours or days later, so "looks fine right now" is not a reason to wait.

Symptoms of toxic-houseplants poisoning

  • Vomiting and diarrhea
  • Lethargy and weakness
  • Increased thirst and urination
  • Severe abdominal pain
  • Potential for organ damage

What to do right now

  1. Identify toxic plants and remove them from your home.
  2. Keep plants out of reach of pets.
  3. Monitor for signs of ingestion and seek veterinary care immediately.
  4. Educate yourself on common toxic plants.
If your pet shows any of the signs above, go to the nearest emergency vet now and call ahead.

Sources & further reading

  • ASPCA Animal Poison Control — pet poison database & dosage references
  • Pet Poison Helpline — toxicology triage guidelines
  • Merck Veterinary Manual — toxicology monographs
  • Vets Now (UK) — emergency toxicosis guidance

Other poisonings with overlapping signs

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Frequently asked questions

Is Toxic Houseplants Poisoning in Dogs and Cats poisonous to a dog or cat?

Many houseplants contain toxins that can cause vomiting, diarrhea, and even death if ingested.

What are the symptoms of toxic-houseplants poisoning?

Vomiting and diarrhea; Lethargy and weakness; Increased thirst and urination; Severe abdominal pain

What should I do if my pet ate Toxic Houseplants Poisoning in Dogs and Cats?

Identify toxic plants and remove them from your home. Keep plants out of reach of pets. Monitor for signs of ingestion and seek veterinary care immediately.

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