What are the symptoms of a kidney infection?

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Symptoms of a kidney infection include urgency, frequency and burning with urination as well as a very high fever, nausea and vomiting. People with a kidney infection may also experience pain in the back or on the side that's generally very severe.
 
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Infections -- such as those affecting the bladder and kidney -- can damage your kidneys. Call your healthcare provider if you have any of these signs of bladder infection:
  • cloudy or bloody urine
  • pain or burning when you urinate
  • an urgent need to urinate often
Also, speak with your healthcare provider if you have any of these signs of kidney infections:
  • back pain
  • chills
  • fever
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Symptoms of a kidney infection include pain on one or both sides of your lower back region. You may also experience fever, chills, nausea, vomiting, groin pain, and abdominal pain. You may feel the need to urinate frequently and urinating will likely burn. You may also notice blood in your urine.