It is very important to feed your Shih Tzu a well-balanced diet of pet food and not table scraps. Pancreatitis is a severe inflammation of the pancreas that can result from feeding your Shih Tzu table scraps.
A Shih Tzu with pancreatitis may suddenly vomit, become dehydrated, be lethargic and have diarrhea. These symptoms are common to a lot of different canine diseases; therefore, the diagnosis of pancreatitis is very difficult for a vet to make. He will depend a lot upon a good history from the Shih Tzu owner.
High amounts of fat in the Shih Tzus diet, a high-fat meal or allowing your Shih Tzu to get into the garbage and consume leftover food may cause pancreatitis Pesticides. Some canine drugs can cause side effects of pancreatitis as well. There is a higher incidence of this disease in obese Shih Tzu.