is peppermint oil harmful to dogs
Peppermint is safe for dogs, in moderation. It can be used settle a dog's stomach (as with humans). However, avoid feeding your dog peppermint candies (or other food pro â¦ ducts) that contain xylitol, as it can cause hypoglycemia, which can lead to coma and death. + 75 others found this useful.es some dogs may be allergic to the fume of the peppermint oil but it depends so you should consult a doctor to find out if your dog is allergic to the fume of peppermint. 1 person found this useful. Edit.