I have a handsome beagle, named Devon that I just adopted two month ago from a shelter. He is 16 months old. He throws up every now and again, this yellow bile. The vet said if it continues more consistently to bring him in again. Well, now I have noticed that his lower jaw quivers when he closes his mouth. At first I just thought he was stretching and it was normal. But now it happens all the time. He will open his mouth and it will just vibrate rapidly while closing his mouth. What is it? I am getting really nervous about it, but I also don't want to overreact. Please help!

whoaw.. that sounds really serious.. you should take your dog to a vet for more examination..

I agree with Jacko. You should take him to a vet for further examination. If his condition is not changing bring him to another vet for second opinion.

[wishbone]

You really need to take him to the vet immediately, it is might be something internal and needs immediate medical attention.

Vibrate rapidly while closing his mouth is bothering especially it happened not only once...You take him to your vet for further examination that is the best thing to do in that kind of situation...

They're all right! Those kinds of symptoms need immediate attention. But don't get too nervous because there are meds that can treat Devon.