Urinalysis
Hello doctor, I visited due to hematuria, and the physician prescribed antibiotics and other medications.
They mentioned that if I have no symptoms, I do not need to return for a follow-up.
However, I am not at ease, so after treatment, I went to a laboratory for a urinalysis.
The results showed Nitrite (-), Leukocytes (-), and OB (-), but the urine sediment indicated Bacteria (++), RBC (0-1), and WBC (1-3).
Does this indicate an ongoing infection? I am unsure if I should continue with follow-up visits.
Thank you for taking the time to respond.
Ge Lei Si, 20~29 year old female. Ask Date: 2018/12/22
Dr. Du Shixi reply Urology
Hello: It is possible that the urine was contaminated during collection.
It is recommended to collect a midstream urine sample if you need to test again.
If you are still concerned, consider retesting.
Wishing you good health.
Reply Date: 2018/12/22
More Info
When interpreting urinalysis results, it's essential to understand the significance of each component in the context of urinary tract infections (UTIs) and other potential conditions. Based on the information you've provided, let's break down your results and address your concerns.
1. Understanding Your Urinalysis Results:
- Nitrite (-): The absence of nitrites typically suggests that there is no significant bacterial infection, as many bacteria that cause UTIs convert nitrates to nitrites. However, some bacteria do not produce nitrites, so a negative result does not completely rule out an infection.
- Leukocytes (-): A negative leukocyte result indicates that there are no white blood cells present in the urine, which is often a sign of inflammation or infection. This is a good sign, as it suggests that there is no active infection.
- OB (-): The absence of occult blood (OB) in the urine is also a positive indicator, suggesting that there is no bleeding in the urinary tract.
- Bacteria (++): The presence of bacteria in the urine, especially at a level of "++", is concerning. This suggests that there is a significant amount of bacteria present, which could indicate a UTI or contamination during the sample collection.
- RBC (0-1): The presence of red blood cells (RBCs) in such low numbers is generally not alarming, especially if there are no other signs of bleeding.
- WBC (1-3): A low number of white blood cells can be considered normal, especially in the absence of other symptoms.
2. Do You Still Have an Infection?:
Given the presence of bacteria in your urine, it is possible that you still have an infection, even though the other markers (nitrites, leukocytes, and blood) are negative. The bacteria could be a result of a UTI, or it could be due to contamination during the collection process. The fact that you have blood in your urine (hematuria) is also a symptom that warrants further investigation.
3. Should You Continue Treatment or Return to the Doctor?:
Since you have concerns about the presence of bacteria in your urine, it is advisable to follow up with your healthcare provider. They may recommend additional testing, such as a urine culture, to identify the specific bacteria present and determine the appropriate antibiotic treatment. Even if you are asymptomatic, the presence of bacteria could indicate an underlying issue that needs to be addressed.
4. Additional Considerations:
- Symptoms: If you experience any symptoms such as burning during urination, increased frequency of urination, or lower abdominal pain, you should seek medical attention promptly.
- Hydration: Ensure you are drinking plenty of fluids, as this can help flush out bacteria from your urinary tract.
- Follow-Up Testing: If your doctor recommends it, consider repeating the urinalysis or culture after completing any prescribed antibiotics to ensure that the infection has cleared.
In summary, while some of your urinalysis results are reassuring, the presence of bacteria suggests that further evaluation is warranted. It is always better to err on the side of caution when it comes to potential infections, especially if you have a history of urinary issues. Please consult your healthcare provider for personalized advice and treatment options.
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