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Doctor insights on: Microscopic Blood In Urine No Infection

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Sexually active last Saturday. During the days I started to see clear discharge. Then yesterday I saw blood in urine only once. Possible infection?

Sexually active last Saturday. During the days I started to see clear discharge. Then yesterday I saw blood in urine only once. Possible infection?

Yes: Given appearance of urethral discharge and some blood in the urine, it is best to see your doctor to get your urine checked for infection but also to rule out a sexually transmitted disease. ...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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Would there be any connection between HPV without obvious symptoms and microscopic blood in urine without infection?

Would there be any connection between HPV without obvious symptoms and microscopic blood in urine without infection?

HPV and UTIs: Blood in the urine is most likely to be from an infection or inflammation. On very rare occasions blood in the urine can also represent renal cell cancer.

Hpv, the virus that causes warts, cervical and rectal and throat cancer, is most likely not the cause of blood in a urine sample.

Most strains of hpv do not cause cancer so I would advise you not to worry much about this. ...Read more

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I have pain in lower left pelvic area. Female 34. Went to dr last 3 days. Blood in urine. No infection, no stone, or cysts. Frequency to urinate?

I have pain in lower left pelvic area. Female 34. Went to dr last 3 days. Blood in urine. No infection, no stone, or cysts. Frequency to urinate?

Pelvic pain: Many things can give you those symptoms. Diverticulitis, colitis, colon polyps, adhesions/obstruction, ovarian cysts, less likely cancers can all give you left pelvic pains. If this is recurrent or has lasted more than a couple days I would see a surgeon or gynecologist asap. They will be able to examine, take a good history, obtain images or obtain a colonoscopy that will help. ...Read more

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My consultant wants to see me for a cystoscopy and scan of my kidneys, had 12mths+ of blood in urine, no infection, pelvic pain Which scan will he do?

My consultant wants to see me for a cystoscopy and scan of my kidneys, had 12mths+ of blood in urine, no infection, pelvic pain Which scan will he do?

Likely CT scan: Your consultant will likely order a CT scan without and with intravenous contrast, including some delayed images about 5 minutes after contrast administration to get the best assessment of the kidneys, ureters (given history of hematuria) and other abdominal and pelvic organs. A urine sample should also be sent for a cytologic analysis to pathologist ...Read more

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8wk postpartum hypertension 165/123 blood in urine no infection. Referral to urologist?? Cause lower back pain & Cesarian scar pain R side US normal

8wk postpartum hypertension 165/123 blood in urine no infection. Referral to urologist?? Cause lower back pain & Cesarian scar pain R side US normal

BP Rx needed: First of all, you need to have your obvious hypertension treated with medication. Secondly, have your OB GYN search for answers as to why you are still having pain 2 months post-partum C/S which is not normal. The back pain may be related to the blood in your urine, wether with a urinary tract infection/pyelonephritis or a complication/cause of the hypertension. A Urologist is a good idea. ...Read more

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Can an infection cause blood in urine?

Can an infection cause blood in urine?

Yes: Cystitis (bladder infection) can cause blood in the urine. There are other reasons for blood in the urine so this is a symptom that needs to be reported to your physician. ...Read more

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I'm having symptoms of blood in urine, but not infection. How is this possible?

I'm having symptoms of blood in urine, but not infection. How is this possible?

Blood in urine: Blood in urine is called hematuria. If you can see it, it is macroscopic hematuria meaning larger amount of blood than if u had microscopic hematuria. If infection has been ruled out by proper culture, which can not be assumed always, other causes of inflammation like growth, stones, drugs and other renal diseases need to be ruled out. ...Read more

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Went to Dr and said I pulled something in my back, checked urine for infection, said there was blood in urine and no sign of infection what could it b?

Went to Dr and said I pulled something in my back, checked urine for infection, said there was blood in urine and no sign of infection what could it b?

Hematuria: Blood in the urine can be caused by trauma (running long distances as an example), tuberculosis, tumors, kidney disease like glomerulonephritis, etc. This needs further evaluation if not due to infection. Good luck. ...Read more

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Reasons for trace amount of blood in urine without infection?

Reasons for trace amount of blood in urine without infection?

There Are Many: You need to see your doctor or a nephrologist who can take an accurate history, perform a through physical exam, and do a few simple tests to narrow the possibilities,. ...Read more

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What does small traces of blood in urine without an infection mean?

What does small traces of blood in urine without an infection mean?

Blood in urine: If only a trace amount of blood (without any protein in urine), the most likely possibilities include kidney stones or crystals in the urine, recent heavy exercise, thin basement membrane nephropathy, or IgA nephropathy. The latter 2 are detected with a kidney biopsy, but in the absence of protein in the urine most nephrologists would not pursue one. Also, need to consider a kidney or bladder mass. ...Read more

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What can cause a large amount of blood in urine besides an infection?

Stones?: Kidney stones, bladder cancer, kidney disease, endometriosis, are few of the examples. If you have blood in the urine you should see your doctor promptly. ...Read more

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Passed blood in urine. It has stopped. There was no infection. Do I need to follow up?

Passed blood in urine. It has stopped.  There was no infection.  Do I need to follow up?

Yes: At 55 years old, blood in the urine needs to be worked up in order to search for an underlying cause. You want to rule out any important or life-threatening causes for the bleeding. Please see your doctor. ...Read more

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Urinanlys showed small amt of blood in urine microscopically. Will have it rechecked in 2 weeks. Urine showed everything else as normal. No infection.

Urinanlys showed small amt of blood in urine microscopically. Will have it rechecked in 2 weeks. Urine showed everything else as normal. No infection.

Is this new?: You'll do well to have a follow-up, probably with imaging. Many people have this for a lifetime with no problems -- these people often have a mutated collagen gene that allows red cells to pass through the little filters in the kidneys. However, this finding is worrisome for stone, tumor etc if it's a new finding at your age. Best wishes. Usually these things are manageable. ...Read more

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Does hemolyzed blood in urine mean infection?

See below: Blood in the urine can indicate an infection but can mean other things as well what it does mean is there is a site in the urinary tract that is bleeding and that means you need to see a physician to find out the cause. ...Read more

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Can I have a bladder infection with no blood in urine?

Can I have a bladder infection with no blood in urine?

Yes: Frequency of urination, painful voiding, and occasionally fever can all be present wih a bladder infection even if there is no blood in the urine. In fact, while there can be blood associated with an uti, most of the time there is no complaint of blood in the urine, but burning and frequency is usually present. ...Read more

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Saw dr 5dy ago. + 4 infection n mico blood in urine. On med got better now bad again. Took hm test show + 4 lleukocytes in urine with no nitrites?

Culture: Are you saying the urinalysis got better or symptoms better? No nitrites does not mean no infection. If you are having symptoms such as burning, frequency,urgency, a urine culture would be good idea. Talk to your doctor. ...Read more

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Can yeast infection cause blood in urine?

Can yeast infection cause blood in urine?

Absolutely: See your doctor and get this checked out. ...Read more

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Is it possible to still have an infection in the kidneys if there is blood in urine yet the bloodwork comes back negative for infection?

Is it possible to still have an infection in the kidneys if there is blood in urine yet the bloodwork comes back negative for infection?

Yes: Hematuria does not indicate infection. Pyuria with dysuria and a urine culture with more than 100, 000 colonies per ml of a urinary pathogen would indicate an infection. These tests would need to be done. Blood tests would not be sensitive in demonstrating an uti. ...Read more

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Urologist said blood in urine but no infection so now doing more tests. What are common possibilities if I have no infection but hematuria?

Urologist said blood in urine but no infection so now doing more tests. What are common possibilities if I have no infection but hematuria?

Trace blood: Microscopic hematuria (trace blood in the urine) is fairly common & has a list of potential causes. Common ones are infections, kidney stones or other kinds of inflammation in the kidneys or bladder. It is almost always a benign (non-serious non-cancerous) cause in a female pt of your age. Older patients do need to be screened for bladder & kidney cancer. And older men can have prostate issues ...Read more

Dr. Michael Michaels
639 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. Abraham Jaskiel
9 doctors shared insights

Infection (Definition)

Infections are invasions of some other organism (fungus, bacteria, parasite) or viruses into places where they do not belong. For instance, we have normal gut bacteria that live within us without causing problems; however, when those penetrate the bowel wall and enter the bloodstream, ...Read more