Maybe. It depends on the variety of mint. Most varieties of mint are perfectly safe for dogs. Some dog treats and dog food contain mint because it freshens the breath and aids in digestion. But dogs shouldn’t eat more than a few leaves per day day. Otherwise, your pet may experience gastrointestinal distress. Only one variety of mint—English pennyroyal (pictured below)—is toxic to dogs. It can grow in most areas of the United States, except for the coldest regions. If your dog suffers from vomiting, diarrhea, or weakness after eating mint, call your vet immediately.
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The information provided in this article is not a substitute for professional veterinary help.