What are the reasons for failing the physical examination and urine test

Unqualified urine test may be related to factors such as urine sample pollution, urinary system infection, kidney disease, diabetes, drug influence, etc. Abnormal urine tests usually manifest as abnormal indicators such as urine protein, urine sugar, and urine occult blood, which need to be further analyzed in conjunction with specific indicators.

1. Urine sample contamination

Urine sample contamination is one of the common reasons for urine test failure. Mixing blood into urine during menstruation in women may lead to false positives of occult blood in urine. Unclean containers or failure to collect mid stream urine during the collection process may also affect the results. It is recommended to avoid the menstrual period during re examination, use sterile containers, and collect mid stream urine samples in a standardized manner.

2. Urinary system infections

Urinary system infections such as cystitis and urethritis may lead to excessive levels of white blood cells and bacteria in urine. This type of infection is often accompanied by symptoms such as frequent urination, urgency, and pain. After diagnosis, antibiotics such as levofloxacin hydrochloride tablets and cefuroxime dispersible tablets can be used according to medical advice for treatment, while drinking plenty of water to promote urination.

3. Kidney diseases

Kidney diseases such as glomerulonephritis and nephrotic syndrome may lead to abnormal elevation of urinary protein. These patients may have symptoms such as edema and hypertension. Further examination such as 24-hour urine protein quantification is needed to confirm the diagnosis, and if necessary, drugs such as valsartan capsules and huangkui capsules can be used to control proteinuria.

4. diabetes

diabetes patients with poor blood glucose control may have positive urine glucose. Long term hyperglycemia may lead to diabetes nephropathy, and then cause abnormal urinary protein. It is recommended to monitor fasting and postprandial blood glucose levels, follow medical advice to use hypoglycemic drugs such as acarbose tablets and glimepiride tablets, and control diet and moderate exercise.

5. Drug Effects

Certain drugs such as vitamin C, antibiotics, diuretics, etc. may interfere with urine test results. Excessive intake of vitamin C may lead to false negative urine sugar, while diuretics may cause electrolyte imbalances. It is recommended to consult a doctor before the physical examination to see if it is necessary to suspend relevant medications to avoid testing errors caused by medication factors. When the urine test fails, excessive tension should be avoided, and it is recommended to have a follow-up morning urine test 1-2 weeks later. Maintain a daily water intake of 1500-2000 milliliters to avoid holding urine. Diet should be light and limit high salt and high sugar foods. If the re examination is still abnormal or accompanied by symptoms such as edema and lower back pain, timely medical attention should be sought from the nephrology or urology department, and urinary system ultrasound, renal function and other examinations should be completed to clarify the cause. Patients with diabetes need to monitor blood sugar and microalbuminuria regularly to prevent renal complications.