Safety verdict
Consulted references classify the plant as toxic or irritating for that pet type.
Pet ingestion lookup
My dog ate Wahoo - what should I do?
Euonymus occidentalis
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, abdominal pain, and potential heart rate changes.
Escalation note
The plant contains compounds that may affect heart function and digestion. Seek veterinary attention promptly if your dog has consumed any part of this plant.
What to watch for
ASPCA lists vomiting, diarrhea, abdominal pain, and weakness as the common signs in dogs. With larger doses, heart-rhythm abnormalities are possible — watch for collapse, weakness that doesn't improve, pale gums, or labored breathing.
Time window
Exact onset and duration are not well documented in the ASPCA listing.
When to call the vet
Call your vet or ASPCA Animal Poison Control (888-426-4435) right away on suspected ingestion. Any sign of weakness, an irregular or fast heartbeat, or vomiting that doesn't stop is reason to seek care immediately.
What this means for your dog
Dogs — toxic. ASPCA lists wahoo (Euonymus) as toxic to dogs; the plant contains alkaloids and cardenolides, and the cardenolides can affect heart rhythm. Dogs that browse landscape shrubs in unfamiliar yards or chew on hedge cuttings are the typical poisoning cases.
Sources: ASPCA (no first-aid guidance).
Poison-control resources
This page summarizes source-bound plant-safety information and is not veterinary advice.