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Doctor insights on: Can Kidney Stones Cause Your Bloody Stool

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Can kidney stones cause blood in stool?

Can kidney stones cause blood in stool?

Stones and BM: Kidney stones should not cause blood from rectum -- however, if you are bleeding thru bladder, then blood could enter toilet same time as a BM. ...Read more

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Dr. Ralph Wharton
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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Oh my gosh this is embarrassing... I have a bloody stool? My dr. Thinks i might have kidney disease or stones not sure if linked. Why am i bleeding?

Oh my gosh this is embarrassing... I have a bloody stool? My dr. Thinks i might have kidney disease or stones not sure if linked. Why am i bleeding?

Not true: Rectal bleeding has absolutely nothing to do with kidney stones or disease. This is a GI issue. See a gastroenterologist and disregard the other opinion. ...Read more

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Bloody urine 3x in 2 days other times clear. Stool, blood wrk nrml. I have 3 kidney stones. No pain. Feel lightheaded at times. Causes? I'm worried

Bloody urine 3x in 2 days other times clear.  Stool, blood wrk nrml. I have 3 kidney stones. No pain.  Feel lightheaded at times. Causes? I'm worried

Blood in urine: Given that you have 3 kidney stones, it is likely that the hematuria is because of the stones. Absence of pain is unusual but not unheard of. Other poss include cyst or tumor. Ultrasound would show these. And then a renal disease can bleed, such as glomerulonephritis. A check with ultrasound and U/A and blood work asap is warranted. ...Read more

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I passed a kidney stone one week ago and psin meds constipated me. Now I have flat to penicil thin stool and excess mucus. What can cause this?

I passed a kidney stone one week ago and psin meds constipated me. Now I have flat to penicil thin stool and excess mucus.  What can cause this?

Constipation: This may very well be related to your bowel recovering from a bout of drug(likely opioid) induced constipation. Sometimes, when motility is acute affected it can take time for things to normalize. You may want sure your fiber intake is good, along with you staying hydrated, and active(activity helps constipation). If things fail to resolve in the next several days to week seek in person help. ...Read more

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With kidney stones can it cause chest pain? Also is it normal to have tarry or black stool with 800 mg ibuprofin?

With kidney stones can it cause chest pain? Also is it normal to have tarry or black stool with 800 mg ibuprofin?

CP: 1. Kidney stones do not normally cause chest pain, it more of flank pain 2. Black tarry stools means you are bleeding in the gut. This is a medical emergency. You need to stop taking Ibuprofen immediately. 3. Go to er now. ...Read more

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For the past few months, i've had small stones in my stool don't look like pics of kidney stones, more like small lemon seeds... Should I be worried?

For the past few months, i've had small stones in my stool don't look like pics of kidney stones, more like small lemon seeds... Should I be worried?

Wonder about food: It is sure not related to kidneys. Partially digested material? Go over everything you eat, you probably will find a reason for stool stones. ...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