Pancreatitis is an affection of the pancreas ( a gland in the stomach responsible for secreting digestive juices in the small intestine ) that causes inflammation. Acute and chronic pancreatitis: two varieties of this type of pancreatic diseases may occur. The mildest is acute pancreatitis, which is usually caused by gallstones, and causes vomiting, nausea and abdominal pain. Requires hospitalization and administration of intravenous antibiotics and painkillers. On the other hand, chronic pancreatitis, for which there is no cure and whose origin is often associated with alcohol abuse also causes vomiting, nausea, abdominal pain, besides weight loss and fatty stools. During initial treatment, as in the case of acute pancreatitis require hospitalization and medication, but when the patient is discharged, shall be specially customized diet and avoid drinking alcohol and snuff all his life.