Top
20
Doctor insights on: Can Blood In The Urine Cause A False Positive For Protein In The Urine

Share
1

1
Can blood in the urine cause a false positive for protein in the urine?

Can blood in the urine cause a false positive for protein in the urine?

Yes: Because the hemoglobin in red blood cells is a protein, if there is blood in the urine it can test positive for protein. You would need to have your urine retested when there is no blood in it to make sure about the protein. ...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


2

2
Protein and blood in urine. What is the cause? For well over a year.

Protein and blood in urine.  What is the cause?   For well over  a year.

Kidney problem: There are many type of kidney disease that can give you positive blood and increased protein in the urine- from infection, inflammation, autoimmune problems, injury to kidney due to different factors, medication related, other medical condition etc. Since that has been going on for over a year- do not delay further- you should see a kidney doctor and have further evaluation. ...Read more

3

3
Can stress cause you to have protein and blood in urine?

Can stress cause you to have protein and blood in urine?

No: It cannot. Best to talk to your family doctor about possible causes in women. ...Read more

4

4
Could 1+ blood in Urine be due to a period that was still there but very light? In turn could this have caused 1+ protein? My doc not worried. I am

Could 1+ blood in Urine be due to a period that was still there but very light?  In turn could this have caused 1+ protein? My doc not worried. I am

Doctor is right...: I do agree to Doc's opinion at this time, but it is advisable to just keep eyes on it with repeating UA + creatinine once or twice yearly for next 2-3 yrs so to check how it may evolve. Of course, always use a properly collected fresh urine for testing because of high odd to have contamination, especially in overweight females. To do right, go to http://formefirst.com/hematuria.html. Best wish... ...Read more

5

5
Have lupus.Have had persistent moderate blood in urine (no RBC) for yrs with no known cause. Now have microscopic hematuria (+2-5), with trace protein?

Have lupus.Have had persistent moderate blood in urine (no RBC) for yrs with no known cause. Now have microscopic hematuria (+2-5), with trace protein?

LUPUS: It certainly sounds like prompt follow-up with one of your doctors would be in order; preferably your rheumatologist. If that follow up appointment is going to be delayed, then make an appointment with your primary care Doctor Who can initiate some further testing and evaluation. ...Read more

7

7
First protein, now trace blood in urine; is that a UTI starting?

First protein, now trace blood in urine; is that a UTI starting?

It could be but !: It could be simple uti. However, there are many other causes. It could also be more than cause in one patient. Just a few: diabetes, cancer, stone... Tell us about your age, sex, other complaints, history....So we could help you more and better. Consult your doctor....Thank you for asking, dr g. ...Read more

See 1 more doctor answer
9

9
First protein, now trace blood in urine. Do I have preeclampsia?

First protein, now trace blood in urine. Do I have preeclampsia?

Need more informatio: Proteinuria, increase in blood pressure and excessive weight gain need to be monitored. I trust that you are getting antenatal care, if you are not, see a doctor asap, if you are, talk to your doctor. ...Read more

11

11
Can doctors tell me what does ketones, protein and blood in urine indicate?

Can doctors tell me what does ketones, protein and blood in urine indicate?

Abnormal urine: Ketones (k) in the urine can be seen in a diabetics who need Insulin to control their glucose levels are denied it, something called diabetic ketoacidosis. K can also be seen in non-diabetics who are not eating carbohydrates, and shows they are using its fat stores for energy. Proteinuria comes from glomerular diseases of the kidney. Blood comes from uti's or problems in the urinary tract. ...Read more

12

12
Had ua which shows moderate microsccopic blood in urine but when cultured shows no RBC or WBC or protein. How can be moderate blood but no rbc?

Had ua which shows moderate microsccopic blood in urine but when cultured shows no RBC or WBC or protein. How can be moderate blood but no rbc?

Wrong test: A urine culture looks for bacteria growing, it can not detect red blood cells hematuria without visible red blood cells can result from hemolyzed rbcs or rhabdomyolosis. Rbcs are frequently seen without protein in urologic disease. ...Read more

See 1 more doctor answer
13

13
What does large amount of protein in my urine mean? UA done at Dr. Used to have consistent blood in urine. Kidney stones in 2012. UA again tomorrow.

What does large amount of protein in my urine mean? UA done at Dr. Used to have consistent blood in urine. Kidney stones in 2012. UA again tomorrow.

Suggests kidney inju: The protein can suggest kidney injury. It can be infammation of the kidney or irritation inyour case by the kidney stones. Your physicians will test you for this. ...Read more

14

14
Went to CVS clinic for blood in urine and UTI, said my protein level in urine is high. My body aches bad too like I'm sick, is that normal for UTI?

Went to CVS clinic for blood in urine and UTI, said my protein level in urine is high.  My body aches bad too like I'm sick,  is that normal for UTI?

Protein in urine: Protein in the urine may occur in setting of a UTI and blood ( as blood is protein). Protein that exists more than 3 months is more of an issue and needs to be followed more extensively. If persists beyond the urinary tract infection, needs to be quantitate do I.e. Determine how much protein is in the urine in mg/g of creatinine. ...Read more

15

15
Urinating 3-4 times during the night. 18 y/o girl. Got treated for uti but still needing the toilet at night. Had trace of protein and blood in urine?

Urinating 3-4 times during the night. 18 y/o girl. Got treated for uti but still needing the toilet at night. Had trace of protein and blood in urine?

Treatment failure?: UTI is a common cause of increased trips to the bathroom, but it certainly isn't the only one. A physician needs to determine if its likely the original problem was a UTI and would definitely require one-on-one evaluation. ...Read more

16

16
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?

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

17

17
Have pain in kidneys more after drink water. Trace of blood in urine. Vegetarian w/ low protein intake + norm creatinine. Drink lots of water?

Have pain in kidneys more after drink water.   Trace of blood in urine.   Vegetarian w/ low protein intake + norm creatinine.  Drink lots of water?

? hydronephrosis: Pain with fluid load suggests possible hydronephrosis (swelling of kidney" doe to partail obstruction at the ureterovesical juction (junction beteen kidney & urine tube leading to the bladder. Can also explain trace of blood. Best diagnosed by kidney ultrasound after a liberal fluid intake. Please take care of your protein intake tofu and grain in vegan, also eggs & cheese if not vegan. ...Read more

18

18
I have been to ER recently diagnosed with 12 mm kidney stone and blood in urine and protein in urine for years why pain when i eat meat drink pop ect?

I have been to ER recently diagnosed with 12 mm kidney stone and blood in urine and protein in urine for years why pain when i eat meat drink pop ect?

Plenty: Having a kidney stone can be painful. However having meat with abdominal pain could be due to a stomach or intestinal issue. Without any history or physical exam we will not be able to identify the exact cause. It will therefore be best to have you see your doctor or if you are in severe pain to go to the emergency room as soon as possible. Good luck ...Read more

19

19
My ANA pos achy knees, hands fingers elbows. Just found out at the ER that protein and blood in urine. Stopped seeing Rheumy because no diagnosis yet?

My ANA pos achy knees, hands fingers elbows. Just found out at the ER that protein and blood in urine. Stopped seeing Rheumy because no diagnosis yet?

See doctor: You should see a doctor, from the information you gave, a rheumatologist would be the most appropriate. Some times it takes a while to nail the diagnosis. Protein and blood in urine need to be taken seriously. Be well. ...Read more

20

20
Have SLE recent leg swelling more rashes primary care doctor says I have traces of blood in urine but no protein but I should not worry?

Have SLE recent leg swelling more rashes primary care doctor says I have traces of blood in urine but no protein but I should not worry?

Rheumatologist: Hi, is your swelling on one leg or both? Is your Echocardiogram recent? Also I don't see any medication to control your SLE on ur med list, you need to see a Rheumatologist for further evaluation and treatment of your SLE. ...Read more

Protein (Definition)

Proteins are large molecules made up of a smaller class of molecules called amino acids. Proteins play an enormous role in the function of our bodies including enzymes, messengers, replicating dna, ...Read more