ComplicationsBy Mayo Clinic staff
Kidney cysts can occasionally cause complications, including:
- An infected cyst. A kidney cyst may become infected, causing fever and pain.
- A burst cyst. A kidney cyst that bursts causes severe pain in your back or side.
- Urine obstruction. A kidney cyst that obstructs the normal flow of urine may lead to swelling of the kidney (hydronephrosis).
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