Plant toxicology for dogs
Is Castor Bean toxic to dogs?
Ricinus communis · Euphorbiaceae
Verdict: Is Castor Bean toxic to dogs?
Yes — Castor Bean is toxic to dogs. Castor Bean (Ricinus communis) can make a dog ill. Risk depends on the amount, plant part, body size and the individual animal.
Checking your pet profiles…
Contact a veterinarian immediately
Do not wait for symptoms and do not induce vomiting unless a veterinary professional tells you to. Take a plant sample or clear photo with you.
- 1Contact an emergency veterinarian or pet poison service immediately.
- 2Do not induce vomiting unless a veterinary professional instructs you to.
- 3Take a plant sample, label, or clear photo with you.
Possible signs after Castor Bean exposure include:
- Severe vomiting
- Bloody diarrhoea
- Abdominal pain
- Weakness
- Tremors and seizures
- Multi-organ failure
Typical onset: Delayed — 6 to 48 hours
Ricin, a ribosome-inactivating toxalbumin concentrated in the seed
Veterinary sources
Reviewed by Dr. Patti McCartney, Animal Naturopathic Doctor. This educational guide supports, but does not replace, diagnosis or treatment from a licensed veterinarian. Risk varies by dose, plant part, body size and health history.