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Doctor insights on: 3 Mm Kidney Stones

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Is a 3 mm kidney stone large?

Is a 3 mm kidney stone large?

No: That would be less than an eighth of an inch. Of course if it got into your ureter and you were passing it you would think it was a boulder. ...Read more

Dr. Creighton Wright
64 doctors shared insights

Kidney Stones (Definition)

Seriously- renal stones are the result of postive and negatively charged particles in urine binding together and precipitating as solids- most frequently as calcium- oxalate. This happens most often when the urine is concentrated- ie when you are dehydrated. And trying to pass these stones from the kidney to the bladder is incredibly painful. ...Read more


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Will I be aware that I am passing a 3 mm kidney stone?

Will I be aware that I am passing a 3 mm kidney stone?

Usually: 3mm stones will typically pass, but usually are symptomatic. It may only be burning or irritation along your urethra. I do know patients who have passed 5mm stones and said they never noticed. ...Read more

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Are 3 by 5 mm kidney stones painful when they are on the way to come out and how long does it take for it to start coming from the kidney?

Are 3 by 5 mm kidney stones painful when they are on the way to come out and how long does it take for it to start coming from the kidney?

See below: Yes, they can be very painful. As size increases, it is less likely to pass on its own. A good rule of thumb is that a 5 mm stone will pass 50% of the time. This decreases to 10% at 9 mm. ...Read more

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Can a kidney stone stay in the kidney for three years? Without symptoms other than utis. (Question about a 4 year old)

Can a kidney stone stay in the kidney for three years? Without symptoms other than utis. (Question about a 4 year old)

Yes: Kidney stones that are in the kidney are most often silent without any symptoms. If the stone is colonized with bacteria it could be a source of recurrent kidney infections. ...Read more

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How can you prevent kidney stones coming back if I had them three times this year? I exercise and watch what I eat, but they are still coming back.

How can you prevent kidney stones coming back if I had them three times this year? I exercise and watch what I eat, but they are still coming back.

Need workup: You need a metabolic stone work up including blood tests and a 24-hour urine collection. These will allow your urologist to determine if there is an underlying metabolic problem that may need to be treated with further diet changes or possibly medication. The best advice i can give is drink enough fluid to make more than 2 liters of urine a day. Lemonade is generally good to decrease stone risk. ...Read more

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Left arm has been hurting bad for three weeks. Also my left side hurts to the touch. I have had kidney stones before but never arm pain. More stones?

Left arm has been hurting bad for three weeks. Also my left side hurts to the touch. I have had kidney stones before but never arm pain. More stones?

Left Arm maybe more: Left arm pain could have more serious implications depending on the timing severity, patientcage and risk factors for heart disease. Evaluation and treatment by your primary care provider is defintely warranted . ...Read more

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I have stage three kidney disease. Have been passing small black masses the size of kidney stones but cannot be analyzed. Dr. Has no clue. Any ideas?

I have stage three kidney disease. Have been passing small black masses the size of kidney stones but cannot be analyzed. Dr. Has no clue. Any ideas?

Collect them: The small black masses could be clots, fungal balls, tumors, tissue from the urinary system. I suspect that stone analysis did not look at these other possibliities. Suggest submitting them to pathology for evaluation with a history and specific question. ...Read more

Kidney (Definition)

The kidneys are paired organs that lie on either side of the vertebral column. Part of their critical functions include the excretion of urine and removal of nitrogenous wastes products from the blood. They regulate acid-base, electrolyte, fluid balance and blood pressure. Through hormonal signals, the kidneys control the ...Read more


Kidney Stone (Definition)

Solutes precipitate and combine to form stones formed of calcium oxalate usually around a nidus of uric acid. Other solutes that form stones are ca and mg phosphates, cystine, and uric acid staghorn calculi form in the presence of chronic urinary tract infections. Stones can be painful, may require ...Read more