Doctor insights on:
Blood In Urine Culture Negative
If blood & urine cultures are negative due to antibiotics are there pathology results that MAY provide evidence of infection other than WCC & CRP?
Here are some. ..: Despite all medical advance, largely, all medical care today is still based on INDRECT evidence resulting from continual collection & analysis of available experience. So, there is no magi c in life and medicine, if any, that is to apply currently available knowledge, skill, technology, drugs, common sense, and wisdom at reasonable time, place to reasonable patient. That's why a right Doc is vital ...Read more
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
White blood cells in urine but urine culture negative. But still have lot of pain while urinating for a 7 yr old male?
Variable causes: If uncircumcised, a trapping of debris under the foreskin can trigger sensitivity or pain. If circ'd, a narrowed outlet may be the issue, with symptoms of a dribble or wild spray with voiding, all should have a strong stream. A visit to a urologist may be worthwhile. ...Read more
Could sti cause blood in urine and be missed in urine culture, which was negative? Urine showed infection markers but culture was neg -- worried sti
Hematuria: Blood in the urine is rarely due to STI. It could happen, but the main symptom of STI involving the urinary tract is urethriits, with abnormal discharge and often discomfort on urination, but no blood. However, with "infection markers" (WBC?), it is reasonable to test urine for STI, especially gonorrhea and chlamydia. But most likely it's something else, e.g. passing a stone. Keep working w/ MD. ...Read more
Had sepsis, blood in urine, urobilinogen level went from. 2 to 2 in 2 hours. Dx of UTI, but urine culture came back negative. Any other ideas for dx?
Too complicated: There are too many possibilities and this sort of problem is too dangerous for an opinion on a forum like this. You'll have to keep working with the doctor responsible for your care. Good luck! ...Read more
High WBC and Leukocytes. Trace of ketones. No blood, no protein, no bacteria. Urine culture negative. Low back pain. Urine smell like ammonia. Was in Bactrim (sulfamethoxazole and trimethoprim) DS for a week but it did not work.
I am 20 f. Urine culture 2 weeks ago results showed occult blood of trace. Blood in urine. Now I notice white small shredded like stuff. What is it?
Inconsistent info: Urine culture does not detect blood. If urine culture was negative for bacterial growth, the "white small shredded like stuff" is likely to be mucus and not something to be concerned about. If you do have blood in urine and it was not contamination from menstrual blood, it needs to be evaluated by your doctor. ...Read more
If the doctor found blood in urine, but the urine culture was normal, would you rule out bladder infection and uti?
Hematuria: You need to see a urologist (u). Hematuria (h) is a symptom, not a diagnosis. It could be coming from your kidney, or bladder. You need to have various tests to diagnose the cause. A renal ultrasound, an intravenous pyelogram and if these do not give you the cause, a cystoscopy where the urologist looks at your bladder. If the u finds no cause for the h, see a nephrologist as you may have a gn. ...Read more
Mild pain and blood in urine for 1 day. Urine culture shows protein but no bacteria growth. Blood test for kidneys came back normal. What is this?
Nephritis: Blood and protein in urine does not have to be only with infection. Several other reasons could cause it. Eg kidney stone, glomeruli nephritis, FSGS etc etc. See a neohrologist ...Read more
My dr 2 days ago run urine culture to check for bladder infection. No blood in urine. Dr sent me to ER to check for appenditicis. Ct scan normal, bloodwork normal, but had urine in blood 2 days later. Why does this happen? Do I actually have uti?
Agree with Dr Garber: If you are on, or just finished your period, urine will show blood. Blood means red cells, without white cells UTI (infection) is much less likely. Need to recheck urine to make sure blood is not still there. If still, with protein, need a nephrologist, if blood without protein in urine, need a urologist. ...Read more
Why might there be presence of blood to appear on your urinalysis when the urine culture came back negative?
UTI symptoms, urine culture negative, Blood test: WBC 13.4, absolute neutrophils 9.8. UTI or something else?
I had a urine culture done no bacteria but found trace of blood it said beside it negative my doc said everything is fine. It also say ketones leu nit all neg. Squamos epithelial< 1.
Clinical context: All lab results need to be interpreted in the clinical context and the doctor who ordered the tests is usually in the best position to do that. You doctor's conclusions seems warranted. ...Read more
Is blood in urine 7mm3 worrisome for a 65 years old woman? Urine test, culture, CT scan of bladder, all came out negative. Wha t else could it be?
Hematuria: The work up should inculde a Urinalysis with C&S, CT Urogram (to assess the whole collecting system including the kidneys and ureters and bladder and Urethra), and finally a Cystoscopy which will asses the superior aspect of the Bladder that may not be completely visualized on the CT Urogram. If all these tests come back normal, may be simple irritation of the urethra or somewhere else to monitor. ...Read more
total hysterectomy with unilateral oophorectomy on July 3. Pain with urination, blood in urine with neg culture. Bleeding red blood. Normal?
Here are some. ..: If what you have felt since the surgery has not gradually improved as usually expected within 2 months after surgery despite no UTI as cultured, you would need a cystoscopy to make sure of no inadvertent surgical injury to bladder, though not common but possible. So, contact your surgeon timely for detail. Best wish. .. ...Read more
If a child presents with end-of-stream (terminal) gross hematuria, what is the standard workup after an xray shows no stones and urine culture normal?
Here's my thought...: How old is the child? Did he have any change in his usual voiding pattern? If everything as reported to be okay, it's most likely, he has non-bacterial self-limiting urethritis so just watch and see. If not going away as expected or recurring, taking a direct look with scope may be helpful, but rarely needed. So, keep in touch with and ask doc timely. ...Read more
Blood in urine for 6 mos. Cystoscope normal. Bleed from urethra solid wk before each monthly period. A lot of pus in urine. Cultures show no infection?
I would stick with: Your Urologist and see if he can help you. Aseptic or interstitial cystitis is a condition similar to what you described, and the bleeding from the urethra may be part of a systemic inflammatory response that must be ruled out, such as urethritis secondary to reactive arthritis. Thanks for trusting in HealthTap. ...Read more
I did a urine culture to see if I still have uti. It came back no UTI but trace of blood. Why is there trace of blood if no uti.
Several reasons.: Trace blood can be identified in urinary tract infection. Your physician may consider checking how many red blood cells are actually seen in a urine specimen. This needs to be followed until there is no blood in urine. If persists, or is >3 red blood cells in each microscopic field, you may need more testing. ...Read more
Hwbc & lrbc in a urinalysis and blood? I did have a UTI at the time. My urine culture was normal. Should I be worried?
Incomplete info: All lab results need to be interpreted in the clinical context and the doctor who ordered the tests is usually in the position to do that. It would be helpful to look at the actual lab results. Blood in urine is something to be concerned about and you should consult your doctor. ...Read more
My wife has a pain in the left part of her middle back. She is type 2.Her dr. Tested for blood in urine negative. What could it be?
Anything: Could be a problem with skin, nerves, muscle, shoulder, lung, heart, or stomach. See your doctor for a more thorough history, physical exam and further evaluation. If she sleeps on her stomach she could have a neck strain that radiates pain to the chest or arm. ...Read more
Microsopic blood urine, pain when bladder full and after emptying reoccuring UTI what can this be urine culture normal bloods normal?
I have had blood in semen 4 times over last 6 months. Got an ultrasound and urine culture done, which were normal. Is that sufficient?
Yes: This almost never indicates serious illness. Glad you're being thorough. ...Read more
How long would it take for the fever to subside completely after hydrocelectomy? Blood and urine culture does not show any bacterial growth.
Fever after surgery: Surgeries such as yours results in areas of blood collections as part of healing. As these blood cells breakdown and resorbed by our bodies, mild toxins are released into the bloodstream. These mild toxins will frequently cause low grade fevers. If redness and/or tenderness accompanies a fever then infection becomes a possibility. ...Read more
2days ago urine&blood tests clean (had dehydration), but irritation continued, urine culture was ordered. Now I saw bubbles in side of bottle. CKD?
I have group b strep bacteria in my urine. I had a urine culture and that's what it showed and now I also have a small amount of blood in my urine.
Have uti symptoms had test shows white cells in urine and blood yet the urine culture shows no uti have back pain too what could be wrong?
Probably still UTI:
It certainly sounds as if you have a UTI. A urine culture can be falsely negative, as can any lab test. Were you taking antibiotics when the culture was done, causing a negative culture? Other possibilities are urinary tract stones and bladder tumor.
I suggest rechecking the urinalysis and culture, and then see your doctor or a urologist to help you look into it further.
Good luck ...Read more
Annoying tickle sensation in urethra that never goes away! I am on nuvaring and culture = no growth but had small amount of blood in urine?
Urethra: You may need cultures for some unusual organisms like ureoplasma or mycoplasma. ...Read more
If an elderly male pt is unable to freely produce a specimen for a urine culture but blood cultures are still taken notwithstanding that the pt has agitated delirium, would it be feasible to take a urine culture by other means? If so, how? Quickly?
See below: Patient can be straight cath'ed by a healthcare professional (nurse, physician assistant, MD) to obtain a specimen. This is quite common. ...Read more
What does high white blood cell but no nitrites in urine mean? My urine culture came back clean but have high white blood cell count.
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
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. ...Read more
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