Is Blue Cohosh Toxic to Cats?
Also known as: Caulophyllum thalictroides, Blueberry Root, Papoose Root · Caulophyllum thalictroides
What makes it toxic
Caulosaponin and other saponins plus N-methylcytisine, a nicotine-like alkaloid. The saponins inflame the digestive tract, and the alkaloid can raise heart rate and blood pressure.
Warning signs to watch for
Vomiting, diarrhea, drooling and abdominal pain within a few hours. Larger amounts may cause rapid heartbeat, restlessness, tremors and weakness.
What to do if your cat eats it
Remove plant material, offer water and monitor closely. Call your vet if vomiting persists or if you notice tremors, restlessness or an unusually fast heartbeat.
Common questions
Are blue cohosh berries the dangerous part?
The seeds and berries are the most commonly eaten part and are mildly to moderately toxic, but the roots used in herbal supplements carry the highest alkaloid load.
Is blue cohosh herbal medicine a risk in the house?
Yes. Capsules, tinctures and teas made from the root are concentrated and should be stored where pets cannot chew into them.
More plants checked for cats
This page is general educational information, not a substitute for professional veterinary advice. Every pet is different — if your animal ate something concerning, contact your veterinarian or a pet poison hotline right away. Checking what your pet can eat? Visit our sister site SafeOrToxic.