Back to SearchPetVitals

Coleus

Caution

Contains diterpenes that cause vomiting and diarrhea. Skin contact may irritate.

Unsafe for Dogs
Unsafe for Cats

Dogs

Unsafe

Cats

Unsafe

Risk level

Caution

Symptoms

Vomiting, diarrhea, depression, skin irritation

What to do now

Monitor and provide water. Contact vet if severe.

Explore Related Safety Hubs

Use these hub pages for broader dog, cat, cleaner, and emergency planning guidance.

Dog poisoning

Dog Toxicity Guide

Compare Coleus with common dog food, plant, medication, and household toxicity risks.

Open hubCat poisoning

Cat Toxicity Guide

See cat-specific guidance for Coleus, plants, cleaners, foods, and medication risks.

Open hub

Symptoms to Watch For

Vomiting, diarrhea, depression, skin irritation

What to Do

Monitor and provide water. Contact vet if severe.

Tags:plantscaution

Clinical References

  • https://www.akc.org/expert-advice/nutrition/
  • https://vcahospitals.com/know-your-pet
  • https://www.petmd.com

Quick Answers

Is Coleus poisonous to dogs?
Coleus is poisonous or toxic to dogs. Contains diterpenes that cause vomiting and diarrhea. Skin contact may irritate.
Is Coleus toxic to cats?
Coleus is poisonous or toxic to cats. Contains diterpenes that cause vomiting and diarrhea. Skin contact may irritate.
What symptoms can Coleus cause in pets?
Vomiting, diarrhea, depression, skin irritation
What should I do if my pet ate Coleus?
Monitor and provide water. Contact vet if severe.

Related Items

CherriesToxic

Cherry pits, stems, and leaves contain cyanide. The flesh itself is not toxic but can cause digestive upset.

SpinachCaution

Spinach contains oxalates which can cause kidney issues in large amounts.

Lilies (All Varieties)Danger

All true lilies are extremely toxic to cats. Even small amounts of pollen or vase water can cause fatal kidney failure.

Sago PalmDanger

All parts of the sago palm are extremely toxic, especially the seeds. Contains cycasin causing severe liver damage.

Aloe VeraToxic

Aloe vera contains saponins and anthraquinones that are toxic to pets, causing digestive issues.

TulipsToxic

Tulips contain tulipalin, concentrated in the bulbs. Digging up and eating bulbs is the most common poisoning route.

Search all 500+ items
Disclaimer: This information is for educational purposes only and is not a substitute for professional veterinary advice. If you suspect your pet has ingested something toxic, contact your veterinarian or the ASPCA Animal Poison Control Center (888-426-4435) immediately.
© 2026 PetVitals. Always consult your veterinarian.