Kidney stone pain can be intense
Kidney stones are known for causing severe flank pain.
But severe pain does not always mean danger.
The real concern is when pain is accompanied by complications.
Go to the ER immediately if you have:
1. Fever or chills
This may indicate infection behind an obstructed kidney.
This is a medical emergency.
2. Severe pain that does not improve
Pain that cannot be controlled with prescribed medication needs evaluation.
3. Persistent vomiting
Inability to keep fluids down increases dehydration and risk.
4. Difficulty urinating
Especially if urine flow stops.
5. Known single functioning kidney with obstruction
When you can monitor at home
You may monitor if:
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Pain improves with medication
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No fever
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Urine output is normal
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Stone is small
Follow-up with your doctor is still important.
Why infection with obstruction is dangerous
If bacteria are trapped behind a blocked kidney:
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Pressure builds
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Infection spreads
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Sepsis can develop
Early intervention prevents serious complications.
After emergency treatment
In emergency settings, doctors may:
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Place a stent
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Relieve obstruction
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Control infection
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Plan definitive stone treatment later
Learn what to expect after SWL treatment
Use our Follow-up Planner to stay on track
Check your stone size guide before deciding to wait