Kidney & Urinary

Kidney Stones: Prevention Is the Real Cure

Adequate water intake is the most effective preventive measure.

Dr. Marc Aubry

Internist

6 min read
Medical illustration of Kidney Stones: Prevention Is the Real Cure

In simple terms

Kidney stones affect 10% of the population at some point. After a first episode, half will recur within 10 years without prevention.

What you need to remember

  • Acute managementHydration, NSAIDs (when not contraindicated), and alpha-blockers to facilitate stone passage.
  • Long-term preventionDrink 2.5-3 L water daily, moderate salt and animal protein, maintain adequate calcium intake (low calcium increases risk), reduce oxalate-rich foods if calcium-oxalate stone former.

Sudden severe flank pain radiating to the groin, nausea, vomiting, blood in urine — the classic renal colic.

Causes

  • Dehydration
  • High salt or animal protein intake
  • Obesity
  • Some medications
  • Anatomical abnormalities

Acute management

Hydration, NSAIDs (when not contraindicated), and alpha-blockers to facilitate stone passage. Stones over 6 mm or with obstruction may need ureteroscopy or lithotripsy.

Long-term prevention

Drink 2.5-3 L water daily, moderate salt and animal protein, maintain adequate calcium intake (low calcium increases risk), reduce oxalate-rich foods if calcium-oxalate stone former.

Stone composition analysis after a first episode guides truly personalised prevention.

The words explained

Medical terms used above, in everyday language.

Acute
Something that starts suddenly and lasts a short time.
Prevention
Steps taken before a problem starts, to make it less likely.

When should you see a doctor?

  • Your symptoms last more than a few weeks or keep coming back.
  • They get worse quickly, or stop you doing everyday things.
  • You notice sudden pain, breathing trouble, fainting or bleeding — seek urgent care.
  • You already take medication and want to change anything about it.

This article explains general health information. It does not replace advice from your own doctor.

Frequently asked questions

What is Kidney Stones: Prevention Is the Real Cure?
Kidney stones affect 10% of the population at some point. After a first episode, half will recur within 10 years without prevention.
What are the main symptoms or signs of Kidney Stones: Prevention Is the Real Cure?
Common signs vary from person to person. The article above lists the symptoms to watch for, how they progress, and when they need medical attention.
When should you see a doctor for Kidney Stones: Prevention Is the Real Cure?
See a doctor if symptoms last more than a few weeks, get worse quickly, stop you doing everyday things, or if you notice sudden pain, breathing trouble, fainting or bleeding.