 Often chronic pancreatitis starts between the ages of 30 and 40 while it is rare in children.Acute pancreatitis was first described on autopsy in 1882 while chronic pancreatitis was first described in 1946.The most common symptoms of pancreatitis are severe upper abdominal or left upper quadrant burning pain radiating to the back, nausea, and vomiting that is worse with eating.