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My dog ate mistletoe. Is it poisonous? What should I do now?

Updated on September 23rd, 2025

My dog accidentally ate some mistletoe. Should I be concerned?

1 Answer

Most Helpful Answer

Christie Long, DVM

Answered By Christie Long, DVM

Veterinarian, Certified Veterinary Acupuncturist

Published on December 19th, 2018

Mistletoe is toxic to dogs (and cats as well) and can cause some potentially serious effects. Like poinsettias, mistletoe can cause irritation to the gastrointestinal tract, which can result in vomiting, diarrhea, drooling and abdominal pain. Less common side effects can cause a drop in blood pressure, seizures, ataxia (abnormal, wobbly gait) or even death. Since your dog ingested mistletoe, you should contact both your veterinarian and an animal poison control center, such as the Pet Poison Helpline.
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