Acalculous cholecystitis: Bile duct blockage because of ailments apart from a gallstone (like biliary dyskinesia) A number of the lesser-identified signs of gallbladder disease are those that resemble indigestion and upset tummy. Heartburn and acid reflux will not be as common as abdominal pain and some other signs and symptoms https://www.theorthopaedicandpainpractice.com/understanding-neck-pain-various-causes-symptoms-and-treatment-options-for-singaporeans/