Urine test, Internal Medicine FAQ - Page 6

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Foamy Urine in the Morning: Should You Be Concerned?

Foamy urine If you wake up in the morning and notice that your urine has foam that dissipates after about five minutes, but there are still bubbles that disappear when rinsed away, should you consider getting checked again? It has been six years since your last examination, which...


Dr. Hong Yuanbin Reply:
Hello, it is normal for urine to have bubbles that dissipate after a while. However, this phenomenon is not a reliable indicator of proteinuria. If you are concerned about proteinuria, it is still advisable to conduct a urine test for confirmation. Thank you for your question.

[Read More] Foamy Urine in the Morning: Should You Be Concerned?


Frequent Urination, Dry Throat, and Chills: Understanding Your Symptoms

Frequent urination, dry throat, and feeling cold? Hello: Since last night, I have been experiencing frequent urination (approximately every half hour). Although I feel the urge to urinate, the volume is not significant, and the urine is clear. This morning, I started to feel dryn...


Dr. Hong Yuanbin Reply:
Based on your description, it is likely that you have a urinary tract infection. Given the accompanying lower back pain, there is a high possibility of a urinary tract infection combined with acute pyelonephritis. It is recommended to drink plenty of water, rest, and maintain a r...

[Read More] Frequent Urination, Dry Throat, and Chills: Understanding Your Symptoms


Understanding Kidney Health: Addressing Concerns About Urine Changes

Kidney problems Hello Doctor: In mid-April, I started experiencing acne on my face, so I visited a dermatologist and took medication and applied topical treatments for about two months. Later, I noticed that my urine had bubbles, so I went to a nephrologist for a urine test and b...


Dr. Lin Wuxuan Reply:
Hello: Based on the partial report you provided, I believe your kidneys are generally in good condition. However, if you could provide complete blood and urine test reports, it would be more helpful in assessing your health status. Generally speaking, foamy urine often raises con...

[Read More] Understanding Kidney Health: Addressing Concerns About Urine Changes


Understanding Kidney Issues: Possible Causes and Diagnostic Steps

Kidney problems Hello Doctor: During a health check-up last September, I was found to have hematuria (1+). A urine test at the end of July also showed hematuria, but kidney function was normal. Last week, I underwent another routine urine test and a urine red blood cell morpholog...


Dr. Lin Wuxuan Reply:
Hello: Your condition is classified as microscopic hematuria. Generally, the causes of this mild urinary occult blood need to first rule out interference from menstruation. If the urine test is conducted during the menstrual period, it often leads to false-positive results. The p...

[Read More] Understanding Kidney Issues: Possible Causes and Diagnostic Steps


Concerns About HIV and Hepatitis B After Unsafe Sexual Encounters

Concerns regarding HIV and Hepatitis B? I have been staying up late until 3 AM since the beginning of the year. Between late February and mid-April, I had several instances of unprotected sexual intercourse with the same person (I am unaware of his medical history; I only know th...


Dr. Hong Yuanbin Reply:
Hello, theoretically, the average window period for HIV is 3 months. If you have not engaged in sexual activity since April, then you should have surpassed the window period. Testing in August would likely yield a negative result, and the chances of infection should be very low. ...

[Read More] Concerns About HIV and Hepatitis B After Unsafe Sexual Encounters


Understanding Swollen Feet: Causes Beyond Normal Test Results

Swollen feet? Why is it that despite normal results from blood tests, urine tests, and ultrasound, my lower limbs are still swollen? I have hypertension and am taking medication; could this be affecting me?


Dr. Wu Hongjie Reply:
Hello: I'm not sure about the contents of your blood, urine, and ultrasound tests. There are many causes for leg swelling: medication, salt retention, hormonal imbalance, inflammation, vascular embolism, poor blood flow, lymphedema, etc., which can all lead to edema. If your...

[Read More] Understanding Swollen Feet: Causes Beyond Normal Test Results


Does Masturbation Affect Urine Tests for Prediabetes?

Diabetes issues Hello Dr. Lin, my fasting urine test showed a hemoglobin A1c level of 6.1%, and the report indicates possible prediabetes. I would like to know if masturbating within 2 hours before the urine test could affect the accuracy of the results?


Dr. Lin Jianliang Reply:
For prediabetes, it is recommended to manage diet and exercise, and to have regular follow-ups. Before a urine test, it is advised to avoid masturbation. If there are any related concerns, it is recommended to consult a professional physician in person.

[Read More] Does Masturbation Affect Urine Tests for Prediabetes?


Understanding Elevated Total Bilirubin Levels: Causes and Next Steps

Elevated total bilirubin? Hello, my employee's health check has shown elevated total bilirubin levels for three consecutive years, ranging from 1.51 to 2.08 mg/dL, with direct bilirubin levels between 0.38 and 0.59 mg/dL. All other blood and urine tests are normal. What coul...


Dr. Lin Jianliang Reply:
Based on the situation you described, you may first consult a gastroenterologist specializing in hepatobiliary medicine. Thank you for your message.

[Read More] Understanding Elevated Total Bilirubin Levels: Causes and Next Steps


Understanding Trace Protein in Urine: Should You Worry?

Both urine protein tests showed +/-? Hello Dr. Lin, I underwent a health check on April 18, and the report indicated trace hematuria and trace proteinuria, with increased lung markings; all other results were normal. Today, I conducted another test, and the abnormal or borderline...


Dr. Lin Wuxuan Reply:
Hello: This urine test report does indicate the presence of trace proteinuria. Generally, if proteinuria is initially detected, it is recommended to conduct two to three follow-up tests, preferably using the first urine sample collected in the morning. Additionally, women should ...

[Read More] Understanding Trace Protein in Urine: Should You Worry?


Could Your Symptoms Indicate Ankylosing Spondylitis?

What is the likelihood of ankylosing spondylitis? Hello, Doctor Gao. At the beginning of April this year, I woke up one day with pain and stiffness in my shoulders and neck, making it almost impossible to turn my head normally. This lasted for more than a week, but then it gradua...


Dr. Gao Jiankai Reply:
Hello, thank you for your question. Based on your symptoms, the likelihood of you having ankylosing spondylitis is very low, so there is no need to worry; I believe your travel plans should not be affected. However, the issue of night sweats and fever still needs to be addressed....

[Read More] Could Your Symptoms Indicate Ankylosing Spondylitis?


Understanding Dizziness, Nausea, and Rapid Heartbeat After Intense Exercise

Dizziness, nausea, and rapid heartbeat? A few days ago, I went to exercise because I felt that the pressure from my studies had kept me from working out for a long time. While doing pull-ups, I pushed myself to do more until I couldn't continue, and I drank electrolyte bever...


Dr. Hong Yuanbin Reply:
Hello, excessive exercise may lead to rhabdomyolysis, which can cause acute kidney failure. However, based on your age and physical condition, the likelihood of this is probably low. Another more probable scenario is that some individuals may experience mild nephrotic syndrome, p...

[Read More] Understanding Dizziness, Nausea, and Rapid Heartbeat After Intense Exercise


Does Masturbation Before a Health Check Affect Urine and Blood Tests?

Masturbation the day before a routine health check-up? I would like to ask if masturbation the day before a routine physical examination for workers will affect the accuracy of urine tests and blood tests. Recently, I have been under a lot of stress and have been masturbating mor...


Dr. Hong Yuanbin Reply:
Hello, if ejaculation occurs during masturbation, there may be some residual semen in the urethra the next day. Since semen contains proteins, sperm may be detected in a urine test or protein may be found in the urine. However, if the semen has been flushed out by urine, the urin...

[Read More] Does Masturbation Before a Health Check Affect Urine and Blood Tests?


Understanding Kidney Health: Long-Term Effects of Medications and Monitoring

Kidney problems Hello, I would like to ask about my health history. When I was young, I had poor health and took a lot of medications, including both Western and traditional Chinese medicines, as well as some unknown herbal powders intermittently until I was around 18 years old. ...


Dr. Wu Jiyu Reply:
Based on your inquiry, it seems you are concerned about the potential kidney damage caused by aristolochic acid. If you took unknown herbal powders during childhood but had a normal kidney function test during your last routine blood check as an adult, there is likely no cause fo...

[Read More] Understanding Kidney Health: Long-Term Effects of Medications and Monitoring


Understanding Your Health Check Report: Kidney and Liver Concerns Explained

Medical Examination Report Today I received my health check report, which indicates that I have vasculitis. My blood test shows a white blood cell count of 10.4, with the rest being normal. My liver and gallbladder function tests show GGT at 104 and triglycerides at 205, with the...


Dr. Chen Jianyu Reply:
Please make an appointment for an outpatient consultation.

[Read More] Understanding Your Health Check Report: Kidney and Liver Concerns Explained


Understanding Blood Sugar Concerns: Anxiety or Medical Issue?

Blood sugar issues? Three weeks ago, due to the flu, I experienced dry mouth. At that time, I noticed that diabetes also has symptoms of dry mouth, which made me very stressed and anxious for those few days. The doctor at the clinic measured my blood sugar four hours after a meal...


Dr. Chen Jianyu Reply:
You can make an appointment to inquire at the outpatient clinic.

[Read More] Understanding Blood Sugar Concerns: Anxiety or Medical Issue?


Understanding Proteinuria: What Your Health Check Results Mean

Health check-up: Proteinuria I have vasculitis and mild arrhythmia, and I am taking immunosuppressive medication, anti-inflammatory drugs, and anti-arrhythmic medication. I recently had a check-up, but I couldn't understand the report as the doctor was in a hurry and told me...


Dr. Wu Hongjie Reply:
If there are concerns about liver function, please consult a gastroenterologist. Urine protein is 1+, and it is recommended to visit a nephrologist for further testing. Wishing you good health and safety.

[Read More] Understanding Proteinuria: What Your Health Check Results Mean


Managing Blood Sugar Levels: Concerns and Solutions for Anxiety-Driven Results

How to improve blood sugar levels? Last Friday, I suddenly experienced itching all over my body, and I was worried it might be diabetes. I felt very low and anxious for three consecutive days—Friday, Saturday, and Sunday—resulting in insufficient sleep. On Monday, I went to the h...


Dr. Xiao Yongxun Reply:
Dear Mr. Cc: 1. According to the diagnostic criteria for diabetes set by the American Diabetes Association: a. A fasting plasma glucose level of ≥126 mg/dl after fasting for more than 8 hours, b. A 2-hour plasma glucose level of ≥200 mg/dl during an oral glucose toleranc...

[Read More] Managing Blood Sugar Levels: Concerns and Solutions for Anxiety-Driven Results


Understanding Bubbles in Urine: Causes and Concerns Explained

Bubbles in urine? Hello doctor, since mid-February, I have noticed that my urine has been consistently producing small clusters of dense bubbles. I visited the urology department at Taoyuan Hospital, where I underwent an X-ray and urinalysis. The doctor said everything was fine, ...


Dr. Wu Hongjie Reply:
The presence of bubbles in urine does not necessarily indicate proteinuria. Conditions such as fever, excessive exercise, consumption of high amounts of animal protein, hormonal influences, or other diseases causing abnormal protein production can also be contributing factors. Pr...

[Read More] Understanding Bubbles in Urine: Causes and Concerns Explained


Understanding Low Blood Sugar and Seizures in Teenagers: A Case Study

High school student with hypoglycemic coma? Hello Doctor, my daughter, who is in her first year of high school, suddenly reported feeling dizzy and weak while studying at home in mid-December. I intended to check her blood pressure (her school health check and regular measurement...


Dr. Xiao Yongxun Reply:
Dear Mr. Zhang: 1. There are many causes of hypoglycemia; among them, iatrogenic hypoglycemia is the most common, primarily caused by oral hypoglycemic agents or insulin. If this is not the case, a thorough consideration of other factors is necessary. Generally, hypoglycemia can...

[Read More] Understanding Low Blood Sugar and Seizures in Teenagers: A Case Study


Understanding Kidney Health: Interpreting Your Lab Results and Concerns

Kidney problems I received my health check report on December 29. My kidney function indices are BUN 11.8, Creatinine 0.66, uric acid 5.81, and urine leukocytes (+) with 6-8 leukocytes in the urine. The rest of the urine test results are normal. Can you tell me if I have kidney d...


Dr. Xiao Yongxun Reply:
Dear Miss Zhang Xuanxuan: Based on the information you provided, there is no evidence to suggest that you have kidney disease. Your health check physician is correct; it is possible that the urine was contaminated. It could also be due to slight increases in perineal secretions, ...

[Read More] Understanding Kidney Health: Interpreting Your Lab Results and Concerns


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