Varies. Many patients with gallstones don't have symtoms. If the stones cause obstruction, you may have biliary colic. Pain may be constant, sharp, cramping, or dull. Pain may spread to the back. If the gallbladder is infected, you may have fever. Nausea & vomitting may happen. Jaundice may occur, with yellowing of the skin and whites of the eyes. Clay-colored stools may be present.