When a dog licks its lips, it can have various meanings depending on the context. One common reason is that the dog is feeling anxious or stressed. Lip licking can be a calming signal in dogs, used to self-soothe in uncomfortable situations. It can also indicate that the dog is feeling nauseous or that there is an underlying medical issue like dental problems. In some cases, dogs may lick their lips in anticipation of food or as a sign of submission. Observing the overall body language of the dog along with lip licking can help determine the exact reason behind this behavior.

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Topics covered in this question:

Dog Behavior Dog Anxiety Dog Health Lip Licking