• Urokul Hospital, Off Mumbai Pune Highway, Baner, Pune 411045
  • dr.saurabhthakkar@gmail.com
  • (+91) 9833788704
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  • 08 June, 2026

7 Warning Signs of Kidney Stones You Shouldn't Ignore

Kidney stones are one of the most common urological problems. While some stones remain silent, others can cause symptoms that should never be ignored.

Recognizing these warning signs early can help prevent complications and ensure timely treatment.


1. Severe Pain in the Side or Back

One of the most common symptoms of a kidney stone is sudden, intense pain in the side, back, or lower abdomen.

The pain often:

  • Comes in waves
  • Changes in intensity
  • May spread toward the groin

Many patients describe it as one of the worst pains they have ever experienced.

👉 This pain typically occurs when a stone blocks urine flow.


2. Blood in the Urine

Kidney stones can irritate the urinary tract and cause bleeding.

You may notice:

  • Pink urine
  • Red urine
  • Brownish urine

Sometimes the blood is only detected during a urine test.

⚠️ Any blood in the urine should be evaluated by a urologist.


3. Burning During Urination

As a stone moves closer to the bladder, it may cause discomfort or a burning sensation while passing urine.

This symptom is sometimes mistaken for a urinary infection.


4. Frequent Urination

A stone near the lower urinary tract can create the sensation of needing to urinate more often.

You may feel:

  • Increased frequency
  • Urgency
  • Incomplete emptying

5. Nausea and Vomiting

The kidneys and digestive system share nerve pathways.

As a result, severe kidney stone pain can trigger:

  • Nausea
  • Vomiting
  • Loss of appetite

6. Fever and Chills

A kidney stone combined with infection can become a medical emergency.

Warning signs include:

  • Fever
  • Chills
  • Burning urination
  • Cloudy urine

🚨 Seek urgent medical attention if these symptoms occur.


7. Persistent Dull Back Pain

Not all kidney stones cause dramatic symptoms.

Some patients experience:

  • Mild flank pain
  • A constant dull ache
  • Occasional discomfort on one side

These symptoms should not be ignored, especially if they persist.


When Should You See a Urologist?

Consult a urologist if you experience:

✓ Severe side or back pain
✓ Blood in the urine
✓ Burning urination
✓ Recurrent urinary infections
✓ Fever with urinary symptoms
✓ A previous history of kidney stones

Early diagnosis can prevent complications and often makes treatment simpler.


Frequently Asked Questions

Can kidney stones cause symptoms without severe pain?

Yes. Some stones cause blood in urine, urinary frequency, or mild discomfort without severe pain.

Can kidney stones be mistaken for a UTI?

Yes. Burning urination, urgency, and frequency may occur in both conditions.

Is every kidney stone painful?

No. Some stones remain silent and are discovered incidentally during imaging studies.


Conclusion

Kidney stones can present in many different ways. While severe pain is the most well-known symptom, warning signs such as blood in urine, burning urination, frequent urination, and recurrent infections should never be ignored.

Prompt evaluation by a urologist can help identify the cause and prevent future complications.