Abdominal pain, nausea and vomiting, high temperature - all these unpleasant symptoms that we are used to associating with food poisoning can actually be signs of cholecystitis. Cholecystitis is an inflammation of the gallbladder, which is often a complication of gallstone disease, as well as a consequence of an improper lifestyle. The first and main symptom of cholecystitis is abdominal pain, especially in the right hypochondrium. In a chronic course, dull pain appears, and in an acute course, sharp pains.