Can gout cause kidney stones?

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February 22, 2026
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Can gout cause kidney stones?

This article is written by mr.hotsia, a backpacker who has walked for years with a heavy pack across Thailand, Laos, Vietnam, Cambodia, Myanmar, India and many other Asian countries, sleeping in cheap guesthouses and talking with locals who often have the same problem:

  • Sore, swollen toes from gout

  • And later, sharp pain in the side from kidney stones

Again and again I hear questions like

  • “I have gout. Is that why I got kidney stones”

  • “Doctor said my uric acid is high and I have stones in the kidney. Are they connected”

  • “If I control my gout, will it also help reduce kidney stones”

So the clear question is

Can gout cause kidney stones, or are they two different problems that just happen together

Short honest answer

  • Yes, gout strongly increases the risk of certain types of kidney stones, especially uric acid stones.

  • High uric acid in the blood and acidic urine can lead to uric acid crystals forming in the kidneys and urinary tract.

  • Gout is also linked with other metabolic problems that support calcium based stones, so the relationship can be quite close.

  • Good uric acid control, proper hydration and kidney protection may help support a lower risk of stones, but this must always be planned with a healthcare professional.

This article is for understanding only, not medical advice or a cure plan. I will use careful words like may help, support, increase risk, lifestyle factors, not guarantee or cure claims.

1. Quick recap: what are gout and kidney stones

Gout

  • Uric acid in the blood stays too high for a long time.

  • Sharp urate crystals form in joints and tissues.

  • The immune system attacks these crystals and causes

    • Sudden strong joint pain

    • Redness

    • Swelling and heat, often in the big toe or foot

Kidney stones

  • Hard crystals form inside the kidneys or urinary tract.

  • Common types

    • Uric acid stones

    • Calcium stones (often calcium oxalate)

  • Stones can move down the ureter and cause

    • Very strong side or back pain

    • Pain that comes in waves

    • Blood in urine

    • Difficulty or pain when urinating

So both conditions involve crystals, but in different places

  • Gout: crystals in joints

  • Kidney stones: crystals in the kidneys and urinary tubes

The common character in this story is uric acid.

2. How gout and high uric acid lead to uric acid kidney stones

While backpacking I often meet older men who say

“First the doctor told me I had gout. A few years later I had terrible side pain, and they found uric acid stones in my kidney.”

Here is how that usually happens.

  1. High uric acid in the blood

    • In gout, the body either makes too much uric acid or the kidneys remove too little, or both.

  2. Kidneys try to remove uric acid into urine

    • Some of that excess uric acid is pushed out through the kidneys.

  3. Urine becomes rich in uric acid

    • When uric acid concentration in urine is high, the liquid can no longer keep all of it dissolved.

  4. If urine is also acidic, uric acid solubility drops

    • Acidic urine makes it easier for uric acid to crystallize.

    • Many people with gout and metabolic syndrome have chronically acidic urine.

  5. Crystals form and grow into stones

    • Small uric acid crystals can stick together.

    • Over time they can grow into uric acid stones in the kidney or urinary tract.

So gout does not magically transform into kidney stones, but the same high uric acid problem that causes gout attacks in the joints also makes stones more likely in the kidneys, especially if urine is acidic and concentrated.

3. Uric acid stones vs calcium stones

Not all kidney stones are the same. When you talk with doctors in different countries, they usually mention two big families:

  1. Uric acid stones

    • Often linked with

      • High uric acid in blood and urine

      • Gout

      • Acidic urine

    • These stones can sometimes be dissolved or reduced with

      • Urine alkalinization (making urine less acidic)

      • Uric acid lowering strategies under medical supervision

  2. Calcium stones (often calcium oxalate)

    • Very common even in people without gout

    • Often linked with

      • Low urine volume

      • High calcium or oxalate levels in urine

      • High salt intake

      • Certain metabolic conditions

Gout is most clearly connected with uric acid stones, but interestingly

  • Uric acid crystals in the urine can sometimes act as a core for calcium crystals to form around,

  • So people with high uric acid may also have a higher chance of mixed stones or calcium stones.

This is why gout patients often need a full stone analysis and kidney work up, not only gout treatment.

4. Who is most at risk of kidney stones if they have gout

On my travels through Thailand, Laos, Vietnam, Cambodia, Myanmar, India and many other Asian countries, I often see the same pattern in people who have both gout and kidney stones. Common risk factors include

  • High uric acid levels for many years

  • Dehydration

    • Not drinking enough water

    • Working or traveling in hot climates

    • Heavy sweating without enough fluid intake

  • Acidic urine

    • Often seen with metabolic syndrome, insulin resistance and type 2 diabetes

  • Metabolic syndrome

    • Big belly

    • High blood pressure

    • High triglycerides

    • Type 2 diabetes or prediabetes

  • High animal protein and purine intake

    • Lots of red meat, organ meats and certain seafoods

  • Kidney disease or reduced kidney function

    • Kidneys clear uric acid poorly

    • Stones and gout become more likely together

The more of these factors a person has, the higher the chance that gout and kidney stones will appear as a pair.

5. Typical signs of kidney stones in someone with gout

Gout pain is usually in the joints. Kidney stone pain is different. Things people often describe to me are

  • Sudden intense pain in the side or back

    • Often on one side

    • Just below the ribs or around the flank

    • Pain may move down towards the groin

  • Pain that comes in waves

    • Very strong for a while

    • Then easier

    • Then strong again

  • Blood in urine

    • Urine may look pink, red or brown

    • Sometimes blood is seen only on lab tests

  • Pain with urination

    • Burning or discomfort when peeing

  • Frequent urge to urinate

    • But only small amounts come out

  • Nausea or vomiting

If any of these appear, especially together with known gout or high uric acid, it is important to seek medical care quickly. Kidney stones are not something to self diagnose and manage alone.

6. How controlling gout and uric acid may help reduce stone risk

Many people ask me in bus stations

“If I control my uric acid for gout, will it also help my kidney stones”

Often, the answer is yes, it may help support both, but it must be done properly with a doctor. Common strategies include

  • Uric acid lowering medication

    • Medicines that reduce uric acid production or increase its removal can

      • Help prevent gout attacks

      • Reduce the amount of uric acid filtered into urine

      • Over time, lower the risk of uric acid crystal formation

  • Making urine less acidic

    • Doctors sometimes prescribe specific alkalinizing agents to make urine less acidic.

    • Less acidic urine can help keep uric acid dissolved and may support stone prevention.

  • Hydration

    • Drinking enough water through the day helps dilute urine.

    • Dilute urine reduces the chance that crystals will form and grow.

  • Dietary adjustments

    • Reducing very high purine foods like organ meats and some seafoods

    • Limiting sugary drinks and alcohol, especially beer

    • Reducing very high salt intake

    • Increasing vegetables and some fruits that help support more alkaline urine

These steps do not replace medical treatment, but they often form the lifestyle background that lets treatment work more effectively for both gout and stones.

7. Travel life tips to protect both gouty joints and kidneys

From guesthouses in Chiang Rai to street cafés in Vientiane and tea stalls in Kolkata, I use some simple rules for people with gout who also want to avoid kidney stones. These are lifestyle ideas, not prescriptions

  • Carry a water bottle

    • Sip water regularly, especially in hot weather or when walking a lot.

  • Watch dark or strong smelling urine

    • Very dark urine often means concentrated urine.

    • Try to keep urine a light yellow color most of the time.

  • Go easy on heavy meat feasts

    • Especially organ meats, high purine seafood and very large barbecues.

  • Limit sugary drinks and alcohol

    • Soft drinks, sweet teas and beer are not good friends for uric acid or kidneys.

  • Balance the plate

    • Include vegetables and plant proteins like beans and tofu, as allowed by your doctor.

  • Take medicines exactly as prescribed

    • Stopping uric acid medicine suddenly without advice can lead to flares and possible kidney stress.

These habits may help support both gout control and stone prevention while you keep traveling and living your normal life.

8. When to see a doctor urgently

If you have gout and experience any of the following, you should seek urgent medical help

  • Sudden severe side or back pain that does not improve

  • Blood in your urine

  • Very painful urination

  • Fever or chills with severe pain

  • Nausea and vomiting that you cannot control

  • Very little urine output or difficulty urinating at all

These signs can mean that a stone is blocking the urinary tract or that there is a serious infection. This situation can damage the kidneys if not treated quickly.

9. Gout, kidney stones and the long journey of kidney health

In many hospital corridors I have walked through, the same picture appears

  • Some patients start with gout only

  • Later they develop kidney stones

  • Some then develop chronic kidney disease

The common message doctors give is

“We must treat uric acid, blood pressure, blood sugar, hydration and weight together if we want to protect your kidneys and joints for the long term.”

So if you already have gout, think of it as a warning light, not only in your toe but also for your kidneys, and use that warning to build better habits and treatment plans.

10 Frequently Asked Questions about gout and kidney stones

1. Can gout really cause kidney stones
Gout itself is a sign of high uric acid. High uric acid and acidic urine can lead to uric acid kidney stones, so people with gout have a higher risk of these stones, especially if they are dehydrated or have other metabolic problems.

2. Are all kidney stones in gout patients made of uric acid
No. Gout patients can have uric acid stones, calcium stones or mixed stones. Uric acid stones are more common when uric acid is high and urine is acidic, but calcium stones are still very common in the general population, with or without gout.

3. How does high uric acid in gout turn into a kidney stone
When uric acid in the blood is high, more uric acid is filtered into urine. If the urine is concentrated and acidic, the uric acid can crystallize and form stones in the kidney and urinary tract.

4. If I lower my uric acid for gout, will my kidney stones go away
Lowering uric acid and making urine less acidic can help prevent new uric acid stones and may help dissolve some existing ones, depending on their type and size. But this must be evaluated and monitored by a doctor. Calcium stones usually need different strategies.

5. Can kidney stones damage my kidneys if I already have gout
Yes. A stone that blocks urine flow or causes infection can damage the kidneys, especially if the problem is not treated quickly. People with gout and high uric acid should be particularly careful about kidney pain and urine changes.

6. Does having gout mean I will definitely get kidney stones
Not necessarily. Many gout patients never develop stones, especially if they keep uric acid controlled, stay hydrated and look after kidney health. But the risk is higher than in people with normal uric acid.

7. How can I know what type of kidney stone I have
Doctors can analyze a stone that you pass or remove, and they can look at blood and urine tests. Imaging studies also help. Knowing whether stones are uric acid, calcium or mixed type is important for choosing the right prevention plan.

8. Will drinking a lot of water prevent kidney stones if I have gout
Drinking enough water may help support stone prevention by diluting urine and reducing crystal formation. However, water alone does not control uric acid and does not replace medical treatment. People with heart or kidney failure may also have fluid limits, so always follow medical advice.

9. Are there special foods to avoid if I have both gout and uric acid stones
In general, people are often advised to

  • Limit organ meats and certain seafoods

  • Reduce sugary drinks and alcohol

  • Avoid very salty, heavy animal protein diets

But the exact plan must be individualized with a healthcare professional, especially if kidney function is reduced.

10. What is the best next step if I have gout and suspect kidney stones
The safest next steps are

  • See a healthcare professional for proper evaluation

  • Ask for tests of kidney function, uric acid, and possibly urine pH and crystals

  • If you pass a stone, ask if it can be analyzed

  • Discuss a combined plan for

    • Uric acid control

    • Kidney protection

    • Stone prevention

    • Lifestyle changes that support both conditions

So you can keep walking and traveling across Thailand, Laos, Vietnam, Cambodia, Myanmar, India and many other Asian countries, knowing that you are not only calming painful gout attacks, but also looking after the quiet but very important organs that filter your blood and decide whether uric acid becomes crystals in your joints or stones in your kidneys.

Mr.Hotsia

I’m Mr.Hotsia, sharing 30 years of travel experiences with readers worldwide. This review is based on my personal journey and what I’ve learned along the way. Learn more