No, as a general rule, it is not safe to feed your dog peppermint candy. ... Worse than this, many peppermint candies for humans also contain xylitol, a sugar substitute that is harmless to humans but toxic to dogs. Even a small amount can cause severe seizures or fatal liver failure.

Are candy mints safe for dogs?

Maybe. Peppermint is not toxic to dogs, but in some cases, it may give your dog an upset stomach. In particular, avoid any peppermint candy or products that contain xylitol or pennyroyal oil. Xylitol is an artificial sweetener that highly toxic to dogs and can lead to hypoglycemia, liver failure, and even death.

Will eating mints hurt a dog?

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. ... If your dog suffers from vomiting, diarrhoea, or weakness after eating mint, call your vet immediately.