pyelonephritis
/ˌpaɪəloʊnɪˈfraɪtɪs/
noun
- A serious infection of the kidney, usually caused by bacteria that travel up from the bladder.
- The patient was hospitalized with pyelonephritis and given strong antibiotics.
- Doctors diagnosed her pyelonephritis after she complained of back pain and fever.
- If left untreated, pyelonephritis can cause permanent kidney damage.