Castor Bean
Ricinus communis
Castor Bean (Ricinus communis), also known as Arandi in Hindi or the Castor Oil Plant, is a fast-growing, large tropical shrub with impressive star-li...
Symptoms to Watch For
Immediate First Aid
Immediate emergency veterinary attention is critical. Even one seed can be fatal.
Current risk level for cats based on ingestion severity.
Information provided by BioLens Veterinary Database. In case of emergency, always consult a professional.
In-Depth Botanical Safety Analysis
Castor Bean (Ricinus communis), also known as Arandi in Hindi or the Castor Oil Plant, is a fast-growing, large tropical shrub with impressive star-like palmate leaves. However, it is one of the most toxic plants on Earth and is extremely lethal to cats and dogs. The mottled, bean-like seeds contain ricin, an exceptionally potent ribosome-inactivating protein. Ricin completely halts cellular protein synthesis, causing rapid cell destruction and tissue necrosis. Ingestion of a single crushed seed can kill a medium-sized dog or cat. Symptoms, which can be delayed by 12 to 48 hours, include severe burning in the mouth, high fever, abdominal pain, bloody vomiting, hemorrhagic diarrhea, dehydration, tremors, seizures, and fatal multi-organ failure. Immediate, intensive emergency veterinary treatment is vital. Due to its extreme lethality, this plant should never be cultivated in pet-friendly gardens. Consider swapping it for safe foliage like the Swedish Ivy or Areca Palm, and read more in our Pet Guard Hub.
Toxic Parts
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Specific Safety FAQs for Castor Bean
Is Castor Bean toxic to cats?
Yes, Castor Bean (Ricinus communis) is extremely lethal to cats. Chewing or ingesting even a single seed can result in fatal toxicity.
Is Castor Bean toxic to dogs?
Yes, Castor Bean is highly lethal to dogs. The plant contains ricin, which causes severe cell destruction, organ failure, and death.
What is the toxic agent in Castor Bean?
The seeds contain ricin, an incredibly potent ribosome-inactivating protein that halts all protein synthesis in cells, leading to widespread cellular death.
What is the emergency first aid for Castor Bean ingestion?
Ingestion is a life-threatening emergency. Do not wait for symptoms; transport your pet to an emergency veterinary clinic immediately for intensive support and decontamination.