Unlike other types of abdominal pain, the pain of acute cholecystitis is usually persistent and does not go away within a few hours.

Can cholecystitis go away on its own?

Acute cholecystitis involves pain that begins suddenly and usually lasts for more than six hours. It's caused by gallstones in 95 percent of cases, according to the Merck Manual. An acute attack usually goes away within two to three days, and is completely resolved within a week.

How long does cholecystitis last?

In most cases, an attack of cholecystitis lasts 2 to 3 days. Each person's symptoms may vary. Symptoms may include: Intense, sudden pain in the upper right part of your belly.