My dog will open and close. His mouth and his tongue. Why shakes.

I have noticed. Sometimes that's my dog. Will open and close his mouth when. I played with him or to him. Sometimes the chase and capture. My hands when we play. When. Coming soon from his tongue. Vibration and while he was twitching. Chagab him. It is a semi-open. And closed quickly. I do not know. If it is not serious and he will. They often do when I receive. Allow him or shake. What me and his mouth. His little bites.

Me. Think you should vet. Your call is the only. Security. May be a starting point. From capture of chaos. To call. The vet will be free. Better. Be safe than Sorry ..

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