American Bittersweet

poison-control

Pet Poison Helpline: toxic to cats · Pet Poison Helpline names dogs and cats for vomiting, diarrhea, and (with large ingestions) weakness and seizures. Same toxin-identity hedge as the dog claim.

Pet Poison Helpline: toxic to dogs · Pet Poison Helpline page titled "American Bittersweet Is Toxic To Dogs". The page notes the toxin has not been well established and says some Celastrus species contain alkaloids that cause these signs.

The American Bittersweet, also known as Bittersweet, False Bittersweet, Climbing Bittersweet, Shrubby Bittersweet, and Waxwork, is a deciduous plant that produces bunches of brightly colored small fruit; these may be attractive to dogs, cats and children. The toxin in this plant has not been well established but some of the Celastrus species contain alkaloids that can cause vomiting and diarrhea in dogs and cats. With large ingestions, it may cause weakness and seizures.

Source checked 2026-11-05

poison-control

Toxic to Dogs, Toxic to Cats, Toxic to Horses

Source checked 2026-11-05

rescue-education

WHRS Class 2: local or weaker toxin · Wisconsin House Rabbit Society chapter list (G. Flentke, 2012): Class 2 — "Local toxins": "Allergens, dermal sensitivity toxins, or systemic toxins of lesser strengths" (list heading: "May cause allergic reaction in rabbits. Be cautious."). WHRS adds that, because rabbits inevitably chew items, these toxins "could be more of a problem than the current literature indicates".

Climbing Bittersweet

Source checked 2026-10-27

No evidence collected in this database yet for: Guinea pigs, Hamsters, Rats, Mice, Chinchillas, Ferrets, Pet birds (general), Parrots (macaws, Amazons, African greys…), Budgerigars (budgies), Cockatiels, Lovebirds, Canaries, Finches, Pigeons & doves, Tortoises, Bearded dragons, Iguanas, Goats, Chickens & other poultry

No supported claim has been collected for these animals. Not listed does not mean safe; do not infer suitability from another species.