Safety verdict
Consulted references classify the plant as toxic or irritating for that pet type.
Pet ingestion lookup
My cat ate Buckeye - what should I do?
Aesculus spp
Potentially toxic
Contact your veterinarian or an animal poison-control resource now, especially if any amount was chewed or swallowed.
Verified against ASPCA/provenance audit 2026-05-06 on May 6, 2026.
Signs to watch for
Vomiting, diarrhea, drooling, abdominal pain, and in severe cases, muscle tremors or incoordination.
Escalation note
Ingestion can lead to significant gastrointestinal distress and neurological signs. Please contact your veterinarian or an animal poison control center immediately if ingestion is suspected.
First aid at home
Per Pet Poison Helpline's buckeye article: stay calm, remove any remaining plant material from your cat's mouth and surrounding area, and call a vet, emergency clinic, or Pet Poison Helpline (855-764-7661) before giving food, water, or anything else by mouth.
What to watch for
Earliest signs are drooling and pawing at the mouth, then vomiting and diarrhea. Pet Poison Helpline calls out cat-specific signs: oral and throat burning, a noticeable increase in thirst, and - with larger doses - kidney failure. ASPCA adds that severe ingestions can produce dilated pupils, depression or excitement, weakness, muscle twitching, and seizures.
Time window
Onset and recovery times are not specifically documented in ASPCA or Pet Poison Helpline references; treat any buckeye exposure as time-critical and seek same-day veterinary care.
When to call the vet
Call your vet or Pet Poison Helpline (855-764-7661) immediately on any suspected buckeye ingestion in a cat - do not wait for symptoms to start. Go straight to an emergency clinic if your cat is staggering, tremoring, having seizures, or showing reduced or off-color urine.
What this means for your cat
Cats should not chew or swallow any part of a buckeye. The plant's saponins (notably aesculin) can produce severe vomiting and diarrhea, and Pet Poison Helpline notes cats are especially prone to oral burning, marked thirst, and - with larger ingestions - kidney injury.
Sources: ASPCA, Pet Poison Helpline.
Poison-control resources
This page summarizes source-bound plant-safety information and is not veterinary advice.