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Doctor insights on: Can Stomach Flu Cause Blood In Urine

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Can the stomach flu cause blood in urine?

Can the stomach flu cause blood in urine?

YES: Blood in the urine should never be ignored. While many causes are benign, it is often the only warning sign one gets of urinary malignancy. Gastroenteritis does not cause blood in the itinerary tract. See a urologist for evaluation. ...Read more

Urine (Definition)

Urine is the product of the kidneys, which is produced to eliminate the waste products of metabolism, manage body fluid balance, &maintain acid-base balance. The blood is first filtered by the kidneys, and the composition of the resulting fluid is then altered depending on the body's needs. It is composed of mostly water, and breakdown products from blood cells impart ...Read more


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I was vomiting last night from what I believe to be the stomach flu. I had a small amount of blood come up with the vomit. Then 20hrs later, red urine?

I was vomiting last night from what I believe to be the stomach flu. I had a small amount of blood come up with the vomit. Then 20hrs later, red urine?

Hematuria: It is difficult to tell the cause, but anytime one has unexpected blood in the urine, it should be checked out by your physician. I would try to see your doctor as soon as possible or go to an urgent care center. Do not ignore this. Good luck. ...Read more

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I've been sick for 2 days with stomach flu, I've been laying down all day and all of a sudden I taste blood in my throat, what would cause this?

I've been sick for 2 days with stomach flu, I've been laying down all day and all of a sudden I taste blood in my throat, what would cause this?

You may have: Stomach contents refluxing into your throat. I wouldn't be sure that it was blood if not visualized. If you vomit up dark, coffee ground like material, black vomitus or gross red blood — then please seek immediate medical attention.
Take care. ...Read more

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My 15 yr old daughter is complain of it hurting when she urinates also has blood in urine upset stomach and fever?

My 15 yr old daughter is complain of it hurting when she urinates also has blood in urine upset stomach and fever?

It is likely UTI: Urinary tract infection(UTI) most often bladder infection(Cystitis) causes pain on urination. It is often accompanied by more frequent urge to urinate for small amounts of urine. Cystitis) can also lead to blood in the urine. She needs to drink extra fluids to reduce the pain, but will also need antibiotics to control her bladder infection. She needs to see a doctor ASAP, either go to ER/ or PCP. ...Read more

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I had stomach flu about a month ago. Just after the stomach flu, I noticed my urine started to have a layer of white haziness on top.?

I had stomach flu about a month ago. Just after the stomach flu, I noticed my urine started to have a layer of white haziness on top.?

Likely unrelated: I think is just coincidence and they probably have nothing to do to each other, but you can take your urine for examination or culture for chlamidia or other pathogen. ...Read more

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How serum creatinine in blood is brought to normal, if it was high when you had stomach flu?

How serum creatinine in blood is brought to normal, if it was high when you had stomach flu?

Rehydration: Your kidney functions often worsen while sick, generally due to dehydration. Particularly if you are vomiting, having diarrhea, or both. Increasing your oral fluid intake will help dramatically to improve your renal function. ...Read more

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My child had bad stomach flu and her glucose blood level was 135. Can being sick make it high? Is. 135 a concern after not eating and throwing up?

My child had bad stomach flu and her glucose blood level was 135. Can being sick make it high? Is. 135 a concern after not eating and throwing up?

Normal body response: When you are sick, your body secretes certain hormones in response to the stress on the body, including steroids. This will cause a rise in the blood glucose, even if the child hasn't been eating. It is totally normal and expected. She is not diabetic and nothing to worry about. ...Read more

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I recently had the stomach flu and had blood in stool. Went to ER said it will go away. I still see spots of blood in stool. It's been 7 days. Normal?

I recently had the stomach flu and had blood in stool. Went to ER said it will go away. I still see spots of blood in stool. It's been 7 days. Normal?

Not normal: It is never normal to have blood in your stools. That said, it doesn't mean it has to be due to something serious as hemorrhoids are both common & a common cause of blood in stool. Blood in the stool should be evaluated. If bright red or maroon then a lower GI tract scope (colonoscopy, sigmoidoscopy, proctoscopy) is first step. If black bloody stool then upper scope indicated. See a GI doctor. ...Read more

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Was throwing up w/ stomach flu, broke a blood vessel in eye, now 3 days later i have a small blind/blank spot in peripheral vision of that eye? Thnx

Was throwing up w/ stomach flu, broke a blood vessel in eye, now 3 days later i have a small blind/blank spot in peripheral vision of that eye?  Thnx

Unrelated: Sounds like the broken vessel in the eye an blak spot in the peripheral vision are not related. The latter might be related to the "stomach flu".
Need to see eye doctor and check visual field and other work up. ...Read more

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Hello docs. I was wondering can ulcer in stomach cause blood in urine?

Hello docs. I was wondering can ulcer in stomach cause blood in urine?

Foods and hematuria: Bleeding in the urine (b) is not normal and also is not caused by a stomach ulcer. If you have is you have b, adn you don't have an uti, you need to see a urologist (u) for an evaluation. Of it. B is not normal and you need to find out its cause. ...Read more

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What would cause blood in urine and stool with severe back and stomach pain?

What would cause blood in urine and stool with severe back and stomach pain?

If you are: Seeing red blood in both urine and stool, you need to get checked for a bleeding or clotting disorder. There are many causes, some of them serious, so get checked out really soon. ...Read more

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What would cause sudden small amount of blood in urine along with stomach upset?

What would cause sudden small amount of blood in urine along with stomach upset?

UTI?: Get checked out as any blood in the urine is abnormal. A simple UTI could cause those symptoms but you need an urologic evaluation. ...Read more

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Can lower abdomen pain and blood in urine be caused by a problem with womb/overys had bladder and kidneys checked there ok but still have pain regular?

Can lower abdomen pain and blood in urine be caused by a problem with womb/overys had bladder and kidneys checked there ok but still have pain regular?

Yes: Your symptoms of pain and blood in the urine is strongly suggestive of endometriosis in the bladder or more likely in the wall of the bladder. Sometimes this is not evident at the time of cystoscopy perhaps an MRI of the pelvis with a focus on the bladder would be helpful. ...Read more

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What causes pain in back, abdominal, groin, pain in testicles and blood in urine. No fever or general ill feeling.

Could be a number of: Causes. Sounds most likely it's a renal or ureteric colic from a stone, which can cause all the symptoms you describe. Or it could be a blood clot coming down from the kidney.

You should see your doctor or a urologist urgently to have it properly investigated. ...Read more

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Right below belly button, center & right abdomen feel very hard when I lay down on bed & press. Left side is soft. No pain. No blood in urine. Help!

Right below belly button, center & right abdomen feel very hard when I lay down on bed & press. Left side is soft. No pain. No blood in urine. Help!

Non-specific symptom: "Hard" could mean gas, or stool (if you are constipated). There is likely no connection to your urinary system. If your symptoms persist then please seek medical evaluation. ...Read more

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My wife just discovered blood in her urine that's all that I know at this time. She said that she has pain in her abdominal area too she has blood in urine too.

My wife just discovered blood in her urine that's all that I know at this time. She said that she has pain in her abdominal area too she has blood in urine too.

You : You know, just this second my sister-in-law called me to say she has blood in her urine and abdominal pain! Are you my brother-in-law? :)

The two most common causes of blood in the urine are a kidney stone and a urinary tract infection. There are other causes, like bladder tumors and such, but if this is sudden and her pain seems to radiate from her back or lower abdomen to her groin, she may have a stone.

If you have a urologist, call him/her. Otherwise, I would call her primary physician. If she has a stone, her pain may blossom over the night, and you may have to bring her to the er, just to manage the pain.

Meanwhile, she should stay hydrated as much as possible.

I've added the tag "urology" as this question is best answered by a urologist.

Good luck! ...Read more

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Blood in urine, some abdomen burning pain also; what could it be?

Blood in urine, some abdomen burning pain also; what could it be?

Multiple causes: There are multiple causes that can cause this scenario. An evaluation is neccessary due to blood in the urine. Causes inlcude, infection, kidney stones, obstruction, or cancer. See your local urologist. ...Read more

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Blood in urine, bloated feeling in stomach 56 caucasian male always been in good shape

Blood in urine, bloated feeling in stomach
56 caucasian male always been in good shape

Hematuria: Hematuria or blood in the urine, is never normal in a male. The most concerning possibility are a few cancers: bladder, kidney, and ureteral. Bladder/urine infections as well as kidney stones can cause hematuria. Much more rare are autoimmune and inherited conditions affecting the kidneys. There are also things that look blood in urine. Unexplained hematuria should be evaluated by a physician. ...Read more

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Ketones level 10 and trace blood in urine, undiagnosed rt upper abdomen pain for 9 months, any significance?

Ketones level 10 and trace blood in urine, undiagnosed rt upper abdomen pain for 9 months, any significance?

For10 call ambulance: Your level of 10 is dangerously high,most likely you have 1.0 , around one is OK, you probably have undiagnosed or poorly treated diabetes which need immediate attention, 9 months abdominal pain also need help from your doctor Do not neglect your health ...Read more

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My girlriend is having lower abdomen pains, pelvic pains and mild blood in urine (red inside toilet)?

My girlriend is having lower abdomen pains, pelvic pains and mild blood in urine (red inside toilet)?

Get a GU eval: There is a long differential diagnosis for this patient. You do not mention if pain is acute or chronic. A urologist would be a good specialist to start assessing your problem. ...Read more

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Had blood in urine then passed sac with white tissue 4 weeks later, took hCG blood test 3 weeks later was neg. Tingling in abdomen. Miscarriage?

Had blood in urine then passed sac with white tissue 4 weeks later, took hCG blood test 3 weeks later was neg. Tingling in abdomen. Miscarriage?

Unfortunately, yes: Passing tissue and a negative hcg test mean no viable pregnancy. Please note that about 25% of early pregnancies are lost spontaneously mostly due to chromosomal defects in the fetus. ...Read more

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I've had blood in urine for 2 years with no pain. But now I've been having a lot of pain (cramp like) in my lower abdomen followed by blood in urine.

I've had blood in urine for 2 years with no pain. But now I've been having a lot of pain (cramp like) in my lower abdomen followed by blood in urine.

See urologist: It is not feasible to provide a meaningful opinion without taking additional history, physical examination and may be some tests. It would be prudent to see your doctor or preferably a urologist.
Bleeding in urine for 2 years is too long to wait to see a doctor.
Wish you good health! ...Read more

Dr. Michael Michaels
640 doctors shared insights

Blood In Urine (Definition)

Hematuria is the presence of blood in the urine. When you can see the blood, it's called gross hematuria. When the blood can only be seen under a microscope it is known as microscopic hematuria. Hematuria can be caused by kidney stones, kidney infections, urinary tract infections, an enlarged prostate, cancer, certain medications, and ...Read more


Dr. David Cohen
850 doctors shared insights

Stomach Flu (Definition)

Viral gastroenteritis is a viral infection of the GI tract. It can be picked up from contact with surfaces and foods that are carrying the virus. Symptoms include upset stomach, nausea, vomiting, diarrhea, and abdominal cramps. Sometimes ...Read more