Is Mistletoe toxic to cats or dogs?
Mistletoe (American Mistletoe) — Cats: Poisonous · Dogs: Poisonous · Moderate severity Mistletoe, used as Christmas decorations, is toxic to cats and dogs. Most of them cause gastrointestinal upset. But if eaten in large amounts, it may affect the heart and blood pressure, which is rare but severe. If you suspect your pet has eaten mistletoe leaves or fruit Should be taken to see a veterinarian immediately without waiting to see symptoms.
Other names: mistletoe
English nameAmerican Mistletoe
Scientific namePhoradendron flavescens (American mistletoe)
catToxic
dogToxic
Symptoms that may be experienced
- Vomiting
- Diarrhea
- drooling
- Stomach ache
- Staggering or unusual drowsiness if large amounts are consumed.
- Slow heartbeat or low blood pressure (rare, only in the case of consuming large quantities)
What should I do?
Mistletoe, used as Christmas decorations, is toxic to cats and dogs. Most of them cause gastrointestinal upset. But if eaten in large amounts, it may affect the heart and blood pressure, which is rare but severe. If you suspect your pet has eaten mistletoe leaves or fruit Should be taken to see a veterinarian immediately without waiting to see symptoms.
This information is used for preliminary decision making only. It is not a veterinary diagnosis or advice. If your pet has abnormal symptoms or eats or comes into contact with something that may be dangerous. Contact your veterinarian orAnimal clinic 24 hrs.immediately
Last checked 2026-07-28