Cholecystitis is an inflammation of the gallbladder.
The gallbladder stores bile. Bile is a liquid produced in the liver that aids in digestion. When a person eats, bile flows through a series of ducts into the intestines. It helps to break up food so that it can be used by the body. When bile is supersaturated with cholesterol or bilirubin, it may form the crystals known as gallstones. These stones may block the flow of bile within the gallbladder, causing cholecystitis. Cholecystitis can also occur when the gallbladder is irritated by other diseases and conditions.
Cholecystitis may occur when the gallbladder is inflamed by one of the following: