Acute pancreatitis is inflammation of the pancreas that occurs suddenly and usually resolves in a few days with treatment. Acute pancreatitis can be a life-threatening illness with severe complications. The most common cause of acute pancreatitis is the presence of gallstones – small, pebble-like substances made of hardened bile – that cause inflammation in the pancreas as they pass through the common bile duct obstructing the pancreatic duct. Chronic, heavy alcohol use is also a common cause. Acute pancreatitis can occur within hours or as long as 2 days after consuming alcohol. Other causes of acute pancreatitis include abdominal trauma, medications, infections, tumors, and genetic abnormalities of the pancreas.
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