The causes of right-sided liver and gallbladder distension include cholecystitis, bile duct stones, etc. Treatment includes medication, such as antibiotics and surgery. 1. Cholecystitis: Cholecystitis refers to acute and chronic inflammation of the gallbladder caused by various reasons, and the main clinical symptoms are severe colic in the right upper abdomen, radiating to the right shoulder, often accompanied by nausea and vomiting. Treatment includes medication such as atropine, cefuroxime, 50% magnesium sulfate and so on, and serious conditions can be treated by surgery such as cholecystectomy, cholecystostomy and so on. 2. Choledocholithiasis: Choledocholithiasis refers to the disease of stone formation in the internal and external bile ducts of the liver due to bile stasis and other factors, and the main clinical symptoms are abdominal pain, chills and high fever, jaundice, nausea and vomiting, and so on. Treatment includes medication such as ursodeoxycholic acid tablets, resorcinol, etc., and serious conditions can be treated by surgery such as choledochotomy and bile duct anastomosis. The choice of medication should be made under the guidance of a doctor. When patients experience discomfort, they need to go to the hospital immediately.