What symptom is typically not associated with acute cholangitis?

Acute cholangitis is a serious condition characterized by the inflammation of the bile duct system, often due to an obstruction such as a gallstone. The classic presentation of acute cholangitis includes the triad of fever, jaundice, and right upper quadrant abdominal pain, known as Charcot's triad.

Fever is a response to the infection that can occur as a result of the obstructed bile duct. Jaundice develops due to the accumulation of bilirubin in the bloodstream when bile flow is impeded. Abdominal pain is typically present and usually localized to the right upper quadrant, reflecting the site of the biliary system's involvement.

Back pain is generally not associated with acute cholangitis. While some patients may experience back pain due to referred pain from abdominal structures, it is not a common or defining symptom of this condition. The other symptoms—fever, jaundice, and abdominal pain—are well-established signs that point towards acute cholangitis and can help in diagnosing this medical emergency.