Is Mistletoe Toxic to Horses?
Yes — mistletoe is toxic to horses.
PawSafe Check is for general information only and is not veterinary advice. Always contact your veterinarian or a poison control service if you think your pet has been exposed.
Symptoms to watch for
- Vomiting
- Diarrhea
- Drooling
- Reduced appetite
Toxic parts
Berries and leaves
Toxic compound
Toxalbumin and pharmacologic lectins
What to do now
- Call your vet or a pet poison control line immediately — don't wait for symptoms.
- Do not induce vomiting unless a vet tells you to.
- Bring the plant, label or packaging with you so the vet knows exactly what your horse ate.
- Note roughly how much was eaten and when.
Good to know
American mistletoe mainly causes stomach upset, but larger amounts (or European mistletoe) can affect heart rate and blood pressure.
Is your pet covered for emergency vet bills?
Compare pet insurance quotes →
Pet-safe alternatives
Frequently asked questions
Is mistletoe toxic to horses?
Yes — mistletoe is toxic to horses. American mistletoe mainly causes stomach upset, but larger amounts (or European mistletoe) can affect heart rate and blood pressure.
What are the symptoms of mistletoe poisoning in horses?
Vomiting. Diarrhea. Drooling. Reduced appetite.
What should I do if my horse ate mistletoe?
Call your vet or a pet poison control line immediately — don't wait for symptoms. Do not induce vomiting unless a vet tells you to. Bring the plant, label or packaging with you so the vet knows exactly what your horse ate. Note roughly how much was eaten and when.
Related guides
Related items
More about mistletoe
Free printable: 25 pet-safe houseplants + emergency numbers
We only use your email to send the list and occasional pet-safety tips. Unsubscribe anytime. Privacy policy