The Case | Chronic hypokalemia and painful diffuse bone lesions

A 74-year-old woman with a history of hypertension and chronic hepatitis B–related cirrhosis was admitted with a 1-year history of hypokalemia and progressive generalized bone pain. She was completely wheelchair bound because of the bone pain. She denied trauma and use of herbal supplements or illicit drugs. She had been taking valsartan, 80 mg; adefovir dipivoxil, 10 mg; and lamivudine, 100 mg, daily for 12 years.