Left Flank Pain in Korea: Kidney Stones, Kidney Infection or Pancreatitis, and Which Hospital Department to Visit
Left flank pain has many possible causes. Official sources list kidney stones, kidney infection, spine and disc problems, muscle spasms, shingles, and gallbladder, liver or digestive disease. The US National Library of Medicine (MedlinePlus) says flank pain that comes with fever, chills, blood in the urine, or frequent or urgent urination is more likely a kidney problem. It advises contacting a doctor if the pain comes with high fever, chills, nausea or vomiting, if urine looks red or brown, if unexplained pain continues, or if eating or drinking becomes hard. This guide is for travelers and residents in Korea. It draws on Korea's national disease agency (KDCA) and two major Seoul hospitals, Asan Medical Center and Seoul National University Hospital. It explains how each source separates the main causes and which department each hospital lists, so you can walk into a Korean hospital better prepared. All sources were checked on November 11, 2026. What counts as flank pain Sources ...