Definition: A disorder characterized by inflammation and necrosis of the pancreas, often accompanied by fibrosis and malfunction, related to the consumption of hazardous levels of alcohol. Alcoholic pancreatitis may be acute or chronic. The acute form presents with upper abdominal pain, anorexia, and vomiting, and can be complicated by hypotension, renal failure, lung disease, and psychosis. The chronic form usually presents with recurrent or persistent abdominal pain, anorexia, and weight loss; there may be signs of pancreatic deficiency involving the exocrine functions of the pancreas (e.g. malabsorption, nutritional deficiency) or the endocrine functions of the pancreas (e.g. malabsorption, nutritional deficiency) or the endocrine functions(diabetes mellitus).