Today, Dr. Abhishek Shukla, Geriatrician, was in conversation with Dr. Mridul Mehrotra, MBBS, MD, regarding Urinary Tract Infection (UTI) and the correct way to collect a urine sample for accurate diagnosis. They explained that many patients receive incorrect reports because the urine sample is not collected, stored, or transported properly. A proper urine sample helps doctors identify the infection correctly and start the right treatment at the right time.
Dr. Mehrotra emphasized that a mid-stream early morning urine sample is usually preferred because it is more concentrated and provides better diagnostic information. Before collecting the sample, patients should ensure that a doctor is available to review the report and advise further management. A urine sample should ideally be tested as soon as possible after collection. If a sample is collected at night and sent the next morning, the results may not be reliable. Over time, pus cells and bacteria present in the urine may get destroyed or consumed, causing the report to appear normal even when an infection is actually present. Therefore, timely testing is extremely important.
The doctors also highlighted that a normal routine urine microscopic examination does not always rule out infection. Sometimes bacteria may not be visible on routine microscopy, but a urine culture can still detect them. Urine culture remains the most reliable test for identifying the specific bacteria causing the infection. It should ideally be performed before starting antibiotics. If antibiotics are taken before the sample is collected, the bacteria may be suppressed, which can affect the culture result and make diagnosis difficult. Therefore, patients should always provide the urine sample first and start antibiotics only after proper medical advice.
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