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Doctor insights on: Urine Culture

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Dr. Simon Kimm
287 Doctors shared insights

Urine Culture (Overview)

Tiny sample of urine is spread on a bacterial growth culture medium, e.G agar & placed in an incubator to grow. Positive urine cultures demonstrate colonies of bacteria which can then be identified. Such colonies can then be recultured in presence of various antibiotics to identify to which the isolated organism is sensitive. No growth is negative.


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Can you tell me what a urine culture reading colony count= 10, 000- 25, 000 means? Took culture for suspected prostatitis

Can you tell me what a urine culture reading colony count= 10, 000- 25, 000 means? Took culture for suspected prostatitis

Incomplete: You have not reported to us the full report. It is missing the most important data. And, thus, it is impossible to answer your question. ...Read more

Dr. Simon Kimm
287 Doctors shared insights

Urine Culture (Overview)

Tiny sample of urine is spread on a bacterial growth culture medium, e.G agar & placed in an incubator to grow. Positive urine cultures demonstrate colonies of bacteria which can then be identified. Such colonies can then be recultured in presence of various antibiotics to identify to which the isolated organism is sensitive. No growth is negative.


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Urine culture came back: 50, 000-100, 000 cfu/ml of enterococcus species can someone explain exactly what this means and what sort of bacteria this is?

Urine culture came back: 50, 000-100, 000 cfu/ml of enterococcus species can someone explain exactly what this means and what sort of bacteria this is?

See answer: A urine culture/sensitivity (c/s) is used to identify the specific bacteria causing a UTI and the antibiotics the bacteria is sensitive/resistant to. Urine c/s is deemed positive if shows bacterial count of >1, 000 colonies/ml of a typical urinary tract organism. The large intestine and the perineal area serve as reservoir for pathogenic bacteria. E.Coli accounts for >70% of uti; enterococcus 5-10%. ...Read more

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Dealing with Blood in Urine (Checklist)

Rule out infection as a cause with a urinalysis or culture
once
Ask your doctor to review your medications to identify cause
once
Rule out kidney stones with your doctor
once
If male, schedule a prostate exam
once
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Home test was + for leukocytes. 1st urine culture + also. Antibiotics didn't work. 2nd urine culture no bacteria still have symptoms. What's wrong?

Home test was + for leukocytes. 1st urine culture + also. Antibiotics didn't work. 2nd urine culture no bacteria still have symptoms. What's wrong?

GYN: You will need a pelvic exam and if sexually active, STD screening. I suggest a formal medical (GYN) urine analysis, culture and vaginal culture. If you are having frequent sexual intercourse you may have recurrent cystitis or urethritis: get examined. ...Read more

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Did urine culture and diagnosed with candida is it dangerous? I'm on diflucan (fluconazole) 50mg for 10 days. And what are the reasons of infection?

Did urine culture and diagnosed with candida is it dangerous? I'm on diflucan (fluconazole) 50mg for 10 days. And what are the reasons of infection?

Stress: Too many antibiotics and or stress are common reasons for yeast infections. The other thing to note is that you have not once told us anything specific about your symptoms or history. Candida is not a common bug causing infection internally. Candida lives in and on every single living human. It is not a reason to take medication without specific DISEASE caused by it. Did a physician diagnose? ...Read more

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Frequent urination with little coming out. Urge to go. No pain. Urine culture negative. What could be wrong?

Frequent urination with little coming out. Urge to go. No pain. Urine culture negative. What could be wrong?

Need more info: Have you had UTI in the past, have you had stones in your urinary tract, are you having any other symptoms, are you well hydrated. If this keeps up you might want to see a urologist. But give this a little time. Drink large amounts of liquid and see if that does not solve the problem. ...Read more

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Male, 47. Recent uti, took cipro, (ciprofloxacin) urine culture came back neg. Still having small white floaters in urine, sometimes painful urination. Thoughts?

Male, 47. Recent uti, took cipro, (ciprofloxacin) urine culture came back neg. Still having small white floaters in urine, sometimes painful urination. Thoughts?

Urethritis vs prosta: Should be evaluated for urethritis vs prostatitis and treated appropriately. If infection/symptoms persist, then, further evaluation to assess for bladder outlet obstruction/retention/other pathology (eg bladder calculus) is warranted. ...Read more

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Daughter urine culture normal says her pee still hurts should I take he to a urologist to check kidneys how do I know if it affects the kidneys?

Daughter urine culture normal says her pee still hurts should I take he to a urologist to check kidneys how do I know if it affects the kidneys?

Voiding pain: This common for girls. The pain is often from the outlet, and in toddlers and younger girls is often due to soaps and other irritants that come in contact with the pee hole. If sit in a tub with shampoo, use bath beads or bubble bath, or just sit in soapy water. The kids scratch because of the soapy irritation and make the skin raw. Soaking in clear warm water often helps end the pain in a few days ...Read more

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Saw dr 2days ago, said they would call with the results of urine culture. Heard nothing. Still have frequency to pee & painful stomach. What do I do?

72 hours: A urine culture normally takes a minimum of 72 hours. If you can't wait that long due to your discomfort, call the doctor on call now. Have your local pharmacy telephone number ready to give the doctor when they call you back. Something can be called in to help your symptoms today, while you wait for the urine culture results. ...Read more

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What does 50, 000 gram of positive rod mean for urine culture?

What does 50, 000 gram of positive rod mean for urine culture?

Lots of bacteria: Gram + rods (or bacilli) are bacteria that stain with a special gram stain and also appear as rod-shaped (bacillus-shaped) under the microscope. Bacillus, clostridium, corynebacterium, ; listeria are the groups of bacteria classified this way. Gram + rods are not common causes of uncomplicated urinary tract infections. See your doctor for more assistance. ...Read more

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E.Coli in urine culture means it is in your bladder? What UTI or diseases can a person get if e.Coli has been diagnosed in urine culture?

E.Coli in urine culture means it is in your bladder? What UTI or diseases can a person get if e.Coli has been diagnosed in urine culture?

Cystitis: A positive urine culture for e coli usually means you have an infection of the lining of the bladder, a cystitis. That is what a "uti" is: a urinary tract infection. This can be serious, as it can spread up the ureters to the kidneys (pyelonephritis) and eventually if not treated cause kidney failure. It can also spread to the blood which can be fatal. See a doctor asap and get treated. ...Read more

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I am urinating frequently and urine volume is high. I did urine test (culture and sensitivity), sugar but came normal. I don't getup in the night.

I am urinating frequently and urine volume is high. I did urine test (culture and sensitivity), sugar but came normal. I don't getup in the night.

All is okay: Some use the bathroom frequently while upright whereas when laying down the urge decreases. If you have been drinking a lot of liquid during the day, your chances do making frequent bathroom stops is high. Another thing whether you've been having lower extremity swelling. If so, you may need a through renal evaluation. Otherwise drinking more makes you urinate fore frequently. ...Read more

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Went for a microscopic urinalysis results - mucus present and urine culture- organisms recovered in low numbers. What do these mean? Infection?

Unlikely: Urine screening tests also look for other markers of infection like nitrite and leukocyte enzymes. If those were negative and urine culture had low number of bacteria, it is not likely to be infection. ...Read more

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How to interpret urine culture report?

How to interpret urine culture report?

Talk to pathologist: The report is usually issued to your doctor, who should explain it to you. If you still have issues, you may contact the pathologist in-charge of the lab that did the test. The issue is not suitable for this forum for an adequate explanation. ...Read more

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What does mixed flora results for urine culture mean?

What does mixed flora results for urine culture mean?

Mixed urine flora: Urine normally should contain salt, water and waste products. If there is infection then there should be more then 100000 colonies of one bacteria but if there are 2-3 different organisms in urine culture then it is called mixed flora and we generally recommend to repeat urine culture for better accuracy. ...Read more

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What is urine culture how is done? What can it detects?

Urine culture.: For a urine culture, a sample of your urine is collected in a sterile cup and is then sent to a laboratory for analysis. It lets us know if there's a bacterial infection in the urine. It also lets us know the identity of the bacterium and the antibiotics to which the bacterium is sensitive. ...Read more

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What is the definition or description of: urine culture?

Grow UTI bacteria: Tiny sample of urine is spread on a bacterial growth culture medium, e.G agar & placed in an incubator to grow. Positive urine cultures demonstrate colonies of bacteria which can then be identified. Such colonies can then be recultured in presence of various antibiotics to identify to which the isolated organism is sensitive. No growth is negative. ...Read more

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What does 50, 000 gram of positive rod mean for urine culture?

Lots of bacteria: Gram + rods (or bacilli) are bacteria that stain with a special gram stain and also appear as rod-shaped (bacillus-shaped) under the microscope. Bacillus, clostridium, corynebacterium, ; listeria are the groups of bacteria classified this way. Gram + rods are not common causes of uncomplicated urinary tract infections. See your doctor for more assistance. ...Read more

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What's the difference between an urinaysis and an urine culture?

What's the difference between an urinaysis and an urine culture?

Very different tests: Urinalysis is analysis of urine usually a run on a machine. Urine culture is looking for any bacterial growth on a medium for several days. This is done in a microbiology laboratory ...Read more

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Urine culture shows scanty growth of mixed flora. What does it mean?

Don't worry: Most likely its contaminated and either repeat culture with clean catch urine if symptom of dysuria present. ...Read more

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What does it mean when there is an uncommon growth in a urine culture?

Urine cultures: You would have to ask the lab what they mean, but usually this terminology applies to an organism not usually seen as a cause of UTI and may be a contaminant. Urine culture accuracy depends upon the way in which the specimen was collected (difficult in women), transported and cultured. Inaccuracies are common. Usually cultures are unnecessary and treatment is empirical. ...Read more

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When do you reapet urine culture after (imipeneme) inj. For 7 days?

Minimum 2 to 4 days.: Minimum 2 to 4 days to allow for elimination of the parenteral antibiotic from your system to avoid any false "-" results. ...Read more

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How long does it usually take to get the results back from a urine culture?

Urine Culture: Usually the lab will return results of a urine culture within 3-5 days. The bacteria need time to grow so, depending on when the sample was collected, then shipped to lab, then analyzed it could take up to 5 days. ...Read more

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I had a urine culture sunday. When should the results be back today is wednesday.?

I had a urine culture sunday. When should the results be back today is wednesday.?

Any time now.: The urine desk in microbiology checks each urine culture for growth daily. If the urine is heavily infected, the culture could show positive results even after 24 hours. Most urine cultures are finalized after 3 days. If there is no growth, contamination, or uncommon bacterial species, processing could take longer. If you don't get a response contact your doctor's office, who can contact the lab. ...Read more

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Can a urine culture detect stis?

Some: Gonorrhea may be seen in urine culture. Chlamydia and gonorrhea can also be tested by nucleic acid tests on urine. ...Read more

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What can I learn from a urine culture?

Depends: Are you doing the culture? If not, the laboratory performing the culture will provide the results and if there is significant organism the antibiotic sensitivity of the organism. ...Read more

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What dose many mucus in a urine culture mean?

What dose many mucus in a urine culture mean?

Not normal, ? UTI: Urinary infection is most common cause of mucus in urine. So you should have a routine urinalysis. Mucus is sometimes & rarely associated with a muus producing bladder tumor & occasionally with kidney stones. Mucus is always if subject has had bladder enlargement surgery using a segment of bowel, in which case it is a normal finding. ...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