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Ultrasound showed a small kidney stone but I have no pain now. Will it pass on its own? Should I just drink more water?

An AskHer answer: what is known, what depends on you, and what only a clinician can decide.

Nobody asked this one. AskHer’s editorial team wrote the question to open the topic. It is not anyone’s submission, and nobody’s own words are in it.

Written with AI assistance — not yet reviewed by a person Version 1 · Not yet reviewed by a person · English

The short explanation

Many small kidney stones pass on their own, sometimes without much pain, and some stay in the kidney without causing any symptoms. Whether yours is likely to pass, or needs treatment, depends on its size, its position, whether it is blocking urine flow, and whether there is any infection. Drinking enough fluid to keep your urine pale through the day is one of the most useful steps to help a stone pass and to reduce new stones, but ask your doctor how much suits you.

What depends on your situation

The parts of this that change from woman to woman. Uncertainty is stated, not hidden.

  • Your doctor may suggest repeat imaging to see whether the stone moves or grows, and urine and blood tests to look for reasons stones form. If a stone is collected after it passes, its type can be tested, which guides prevention.
  • Hot climates, low fluid intake, a family history, high salt intake and some medical conditions raise the risk, which is why kidney stones are common in many parts of India.

What this answer cannot determine

The boundary of online education. These need a clinician who can see you.

  • This answer cannot tell whether your stone will pass or needs treatment. That depends on the details in your report and your doctor's assessment.

Questions for your clinician

Take these with you. You can add any of them to an appointment card.

  1. How big is the stone and where is it?
  2. Is it likely to pass on its own, or will it need treatment?
  3. When should I repeat the scan?
  4. What changes in diet and fluids can help prevent new stones?

When to seek help

Clinician-approved guidance for this topic. When in doubt, being seen is never the wrong choice.

Emergency — call 112 now

  • Call 112 or go to the nearest emergency department if you have severe pain with fever or shivering, cannot keep fluids down, or cannot pass urine.

Get help the same day

  • Get care the same day for severe side or groin pain, vomiting, or blood in the urine.

Raise it at a routine appointment

  • Book a routine follow-up to review the stone and plan prevention.

Sources

The evidence this explanation is built on.

  1. Urinary tract infection — adults MedlinePlus (NIH)
  2. Kidney infection NHS
  3. Urinary tract infections MedlinePlus (NIH)

Who wrote and reviewed this

Every AskHer answer names its author. A clinically reviewed answer also names the clinician who signed it off — if no clinician is named below, it has not been clinically reviewed.

Author
AskHer Editorial (AI-assisted draft) AskHer's editorial team — not an individual clinician Works in English, தமிழ், हिन्दी
Clinical reviewer
Nobody yet No clinician has signed this answer off, and no person on the editorial team has read it yet. That is what the “Written with AI assistance” label means. It is queued for an editor to read, and then for a clinician who works in this area. The sources it was drafted against are listed above.
Review status
Written with AI assistance — not yet reviewed by a person
Last reviewed
Not yet reviewed by a person
Version
1

Correction history

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No corrections have been made since this answer was first published.

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