Is Abrin safe for dogs and cats?

Dogs are highly susceptible to abrin toxicity from Abrus precatorius seed ingestion. Dogs may chew on rosary pea seeds found in craft materials, plant material in tropical gardens, or from ornamental plants in warm US climates (Florida, Hawaii, Gulf Coast). Chewing seeds releases abrin and initiates toxicosis. Clinical signs in dogs are similar to ricin poisoning — delayed-onset GI hemorrhage, progressive weakness, hepatic and renal failure over 2–4 days. ASPCA Animal Poison Control Center lists Abrus precatorius as causing severe, potentially fatal toxicosis in dogs. The higher potency per weight compared to ricin means even a single chewed seed may represent a lethal exposure for a small dog. Prompt decontamination (induced vomiting + activated charcoal), IV fluids, and intensive supportive care are the treatment mainstays.

Cats are equally susceptible to abrin toxicity through the same ribosome inactivation mechanism. Abrus precatorius seeds used in jewelry — necklaces and bracelets with rosary pea beads — represent an indoor exposure risk for cats that may play with or chew on such items. The clinical course and treatment are identical to those in dogs. ASPCA lists rosary pea as causing severe toxicosis in cats. The combination of high intrinsic toxicity, widespread distribution of decorative seeds, and absence of an antidote makes abrin poisoning from Abrus precatorius one of the most dangerous plant toxin exposures for pets.