Early symptoms of pancreatitis in dogs:

1. Loss of appetite: Once a dog develops pancreatitis, it will suffer from loss of appetite, lack of energy, becoming thinner, and less interested in food. Not interested in greasy food.

2. Unformed stool: When a dog suffers from pancreatitis, the stool will be unformed, soft, sometimes even bleeding, and the dog will urinate less frequently.

3. Vomiting: Frequent vomiting, several times a day, and vomiting whatever you eat are also obvious symptoms of pancreatitis in dogs.

4. Abdominal pain: If the dog suffers from pancreatitis, it will also have abdominal pain. If the dog is hunched over in a praying position, it means it has abdominal pain. Keep the belly close to the floor to relieve the pain. At this time, if you press its abdomen gently, it will be very resistant.

Causes of acute pancreatitis in dogs:

1. Infection: Pancreatitis caused by viral, bacterial and parasitic infections, such as canine infectious hepatitis , canine leptospirosis and canine bile duct roundworm infection, etc.

2. Bile duct disease: Obstruction of the ampulla of the common bile duct can cause bile to flow back into the pancreatic duct, and activate unactivated trypsinogen into trypsin to enter the pancreatic tissue, causing its own digestion, gallstones, and Common bile duct obstruction caused by tumor compression, local edema, etc.

3. Pancreatic duct obstruction: Pancreatitis occurs due to increased pancreatic duct pressure, rupture of pancreatic alveoli, and abnormal secretion of pancreatic enzymes due to pancreatic duct obstruction. It is common in pancreatic duct spasm, duodenitis, etc.

4. Improper diet: Acute pancreatitis can be induced when feeding high-fat food.

5. Hyperlipidemia, hypothyroidism, diabetes, poisoning, etc. may damage the pancreas and cause acute pancreatitis.

Causes of chronic pancreatitis in dogs:

1. Infection: Infections in certain organs near the pancreas, such as the gallbladder and bile duct, can be transferred to the pancreas via lymph. Acute localized pancreatitis that has not been cured after long-term treatment, pylorus, duodenal infection, etc.

2. Pancreatic vascular disease: such as pancreatic arteriosclerosis, thrombosis, etc.

3. Chronic pancreatic duct obstruction: caused by pancreatic stones, biliary orifice sphincter spasm, and pancreatic duct stenosis.