(HealthDay News) -- Kidney stones are hard masses that form in the urinary tract, and can cause very painful symptoms if they become stuck and difficult to pass.
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Here are common signs of kidney stone formation, courtesy of the University of Maryland Medical Center:
- Persistent pain on one side of the back -- around the waist area -- that may travel to the groin. The pain may subside but return.
- Discomfort that is not alleviated by any change in position.
- Nausea and vomiting.
- Bloody urine.
- Frequent sensation of needing to urinate, or pain or burning while urinating.
- Fever and chills, which could signal an infection that needs a doctor's treatment.
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