Why does my dog nibble on himself?
2022-01-02
The most common reason a dog bites himself is to get rid of pesky parasites, especially fleas, mites and ticks. Dogs who chew at the base of the tail, stomach or underarms are almost always trying to get rid of some unseen pest. The most common cause of pest irritation is fleas. Is it normal for dogs to nibble themselves? My Dog Won't Stop Chewing On Himself. It's perfectly natural and normal for dogs to occasionally chew on their legs, feet, ears, and tails.