Paracentesis is a medical procedure that doctors perform to drain fluid from a person’s abdominal cavity. It is sometimes called an abdominal tap. Doctors refer to this buildup of fluid as ascites, ...

Boils usually heal on their own. If they do not, a doctor may need to lance it in an outpatient procedure. They will apply local anesthesia and then make a small cut in the boil to allow some of the ...