[LindaH]

How long has it been since surgery?

Sounds like an irritation to me. Does he ever do any hard swallowing like maybe he's having reflux problems?

 

[LindaH]

Check out the rice congee and slippery elm info here: DogAware.com Health: Digestive Disorders in Dogs

Both will help to soothe and heal the throat and digesrive system. Marshmellow root will, too.