If an animal has eaten this plant, the ASPCA Animal Poison Control Center is (888) 426-4435, as printed on the record this page reproduces. A consultation fee may apply.

This page quotes a published document. Everything below in quotation marks is copied word for word from ASPCA Animal Poison Control Center: Buckeye, published by ASPCA APCC and retrieved on 2026-09-16. The quotations are excerpts; the document itself is linked and is the authority. Nothing has been reworded.

According to the ASPCA Animal Poison Control Center record, Buckeye (Aesculus spp, family Hippocastanaceae) is toxic to dogs, cats and horses. Toxic principles: Aesculin (a glycosidic saponin), other saponins. Clinical signs listed: Severe vomiting and diarrhea, depression or excitement, dilated pupils, coma, convulsions, wobbly. The record was retrieved on 2026-09-16 and is linked below.

The record

Scientific name
Aesculus spp
Family
Hippocastanaceae
Additional common names
Horse Chestnut
Toxicity
Toxic to Dogs, Toxic to Cats, Toxic to Horses
Toxic principles
Aesculin (a glycosidic saponin), other saponins
Clinical signs
Severe vomiting and diarrhea, depression or excitement, dilated pupils, coma, convulsions, wobbly

Where this comes from

This is the ASPCA Animal Poison Control Center record for Buckeye, at https://www.aspca.org/pet-care/aspca-poison-control/toxic-and-non-toxic-plants/buckeye, retrieved on 2026-09-16. The fields above are the record’s own, shown without change. The ASPCA keeps the record current; the page here is a copy from that date.

This page is information, not a prescription. The right dose for an animal depends on its weight, its age, what else it is taking and what is wrong with it. Those are judgements only the veterinarian who has examined your animal can make. Ring your practice before giving anything.

Sources

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