Why Is My Dog Always Licking Her Mouth. Sometimes they will lick because they smell leftover food particles in the other dogs mouth. While this is considered a pretty normal dog interaction make sure to keep an eye on them to ensure that neither dog is getting upset about the interaction. A few things to consider. Often times excessive licking of the paws is due to one of three underlying causes.
A few things to consider. If this is happening read on. Other Mouth problems including tumors injury from sticks or bones and infection. For dogs that are intent on licking chewing or scratching themselves only the cause may be easier to find. Check with the points in the article and as always visit a vet if you are unsure. The yawning and lip licking may be caused by a loose tooth fractured tooth or abscess.
Sometimes they will lick because they smell leftover food particles in the other dogs mouth.
But check for any irritation or growths. It can also indicate nervousness or something caught in the mouth especially across the hard palate on the top of the mouth or between teeth. Plants such as foxtails can also become lodged in the mouth and cause lip licking. Lip licking can indicate nausea. This would be more likely if it does it more. Sometimes they will lick because they smell leftover food particles in the other dogs mouth.