Blood, Internal Medicine FAQ

Understanding Persistent Hematuria: Should You Be Concerned?

Long-term hematuria? I have been experiencing hematuria for five consecutive years, with urine tests showing +1 to +2 results. I have undergone microscopic examinations three times, which also revealed 6-9 red blood cells. Both urine and blood tests have consistently returned nor...

Dr. Wu Jiyu Reply:
There are many causes of hematuria, ranging from stones, glomerulonephritis to tumors. If there are no other abnormalities (such as proteinuria, renal function impairment, or abnormal ultrasound findings), please continue with regular follow-ups. Thank you for your inquiry. The N...

Understanding Prediabetes: Is Your Blood Sugar a Cause for Concern?

Is it prediabetes? Hello Doctor, my father has diabetes. Previously, for a health check-up, his fasting blood sugar was 149 after 12 hours of fasting. The doctor mentioned that this might have been caused by not drinking water, which could have led to an increase in blood sugar. ...

Dr. He Yonghe Reply:
Hello, Xiao Chen. You have a family history, so you should regularly monitor your fasting blood glucose and HbA1C levels. Additionally, maintain a controlled diet, engage in appropriate exercise, and drink plenty of water. You can follow up at the outpatient clinic.

Low C3 Complement Levels and Hair Loss: What You Need to Know

C3 and C4 complement levels and hair loss? Hello, I have been experiencing hair loss issues for the past two years. The dermatologist mentioned that it is due to scalp inflammation, and I have undergone blood tests. Aside from a low C3 complement level (with values of 64 in June ...

Dr. Gao Jiankai Reply:
Hello, thank you for your inquiry. A low C3 complement level only indicates that the patient may have an underlying immune disorder and is not directly related to hair loss. If no other tests have been conducted, it would be advisable to consult with a rheumatologist for further ...

Understanding Your ANA Test Results: Do They Indicate Lupus?

Is it systemic lupus erythematosus? This is my second follow-up report, and the ANA titer is still 1:640, the same as the first time. All other further examination indices are normal. The doctor said that my two 640 results are quite high, which suggests that I likely have system...

Dr. Gao Jiankai Reply:
Hello, thank you for your question. The diagnosis of lupus erythematosus involves not only the antinuclear antibody (ANA) test but also the evaluation of other clinical symptoms and laboratory indicators. In addition to your current test results, you may discuss with your physici...

Understanding Persistent Elevated Body Temperature After Vaccination

Body temperature issues Hello Doctor, I received the BNT vaccine on November 25th, and for the past three weeks, my body temperature has been consistently elevated. I have been measuring my ear temperature (pulling the ear back and inserting the thermometer deeply), which ranges ...

Dr. Hong Yuanbin Reply:
Hello, 1. It is considered slightly elevated, but it does not reach the level of a true fever (38°C). 2. It is recommended to visit the Infectious Diseases outpatient clinic for a detailed fever evaluation. If everything is normal, you can feel more at ease. 3. It is advisable ...

Assessing Infection Risks from Vending Machine Injuries in Healthcare

Reagent vending machine I would like to inquire about the risk of infection after accidentally cutting my hand on the sliding drawer of a vending machine while purchasing reagents. I have a small abrasion and immediately disinfected it, but there is no obvious wound. Is there a r...

Dr. Liao Zhongxin Reply:
According to the data from the Centers for Disease Control: A. There are three main routes of transmission for the Human Immunodeficiency Virus (HIV): 1. Sexual transmission: Engaging in oral, anal, or vaginal intercourse or any other exchange of bodily fluids with an HIV-infecte...

Understanding Persistent Low-Grade Fever After Vaccination: What You Need to Know

Elevated body temperature? Hello Doctor, I received the BNT vaccine on November 25th, and for the past three weeks, my body temperature has been consistently elevated. I have been measuring my ear temperature (inserting the thermometer as deeply as possible) and it ranges from ap...

Dr. Liao Zhongxin Reply:
1. Women's body temperature is indeed relatively higher during menstruation, while it tends to be lower at other times. 2. Generally, a person's body temperature can fluctuate throughout the day; for example, it is lowest in the morning upon waking and tends to be highe...

Understanding Infection Risks: HIV Transmission Concerns in Everyday Situations

Infection risk consultation? Hello, doctor. I would like to ask about something that happened today, as I am feeling quite anxious. After using the restroom and washing my hands, a colleague walked in and rubbed his hands on my waist three times (I was only wearing a thin shirt)....

Dr. Hong Yuanbin Reply:
Hello, 1. Based on the situation you described, HIV is not transmissible. 2. Alcohol is not effective in eliminating HIV. 3. HIV does not necessarily become activated; however, this situation does not lead to HIV transmission. HIV transmission primarily occurs through sexua...

Do I Need Further Heart Catheterization After My Stress Test Results?

Do I need further cardiac catheterization based on my report? Under standardized dipyridamole stress test, (1) no significant inducible ischemia in the myocardium, (2) adequate left ventricular (LV) systolic function. ==============================================================...

Dr. Hong Yuanbin Reply:
Hello, based on your report, there is no evidence of myocardial infarction or heart failure. Whether a cardiac catheterization is necessary should be determined by a cardiologist based on your symptoms and blood test results. It is recommended that you follow up with a cardiology...

Can Syphilis or STDs Be Transmitted Through Indirect Contact?

Syphilis or sexually transmitted infection (STI) I would like to ask the doctor if it is possible to contract genital warts or syphilis in this situation. I purchased a contouring scissor online, and it was left for three days before I used it. When I opened it, it appeared to ha...

Dr. Hong Yuanbin Reply:
Hello, the cauliflower or syphilis you mentioned is primarily transmitted through sexual intercourse. The speculation you referred to about transmission through contact is unlikely. I suggest not to worry excessively. Thank you for your question.

Do I Need Further Heart Catheterization After My Stress Test Results?

I have questions regarding my heart examination report. Do I need to undergo further cardiac catheterization? Under standardized dipyridamole stress test, (1) no significant inducible ischemia in the myocardium, (2) adequate left ventricular (LV) systolic function. ==============...

Essential Considerations for Diabetic Patients Undergoing Surgery

Considerations for Surgery in Diabetic Patients Hello, doctor. I was diagnosed with diabetes three years ago, and my initial hemoglobin A1c was 9.1. I am still managing my blood sugar with oral medications, and my current hemoglobin A1c is 7.8. I will be hospitalized for surgery ...

Dr. He Yonghe Reply:
Hello, Ms. Wu. Yes, a blood sugar level of 100-150 is a basic requirement for surgery, and it should remain the same postoperatively.

Can Immunosuppressants Cause Low White Blood Cell Count in Myasthenia Gravis?

Immunosuppressants Hello Doctor, my mother is a patient with myasthenia gravis and has been suffering from it for over 10 years. This year, she started taking one immunosuppressant daily. Two months ago, she had an infection in her artificial joint and is currently being treated ...

Dr. Gao Jiankai Reply:
Hello, thank you for your question. Azathioprine, an immunosuppressant, can indeed lead to leukopenia, and the severity varies from person to person. In elderly patients, the bone marrow is often more aged, and combined with fluctuations in their medical condition, even a low dos...

Can You Contract Hepatitis B from Visiting the Dentist?

Can you get hepatitis B from visiting the dentist? A few days ago, I had swelling when my wisdom teeth were coming in, so I visited a relatively tidy dental clinic. Later, I recalled that a few weeks ago, I had undergone testing for hepatitis B surface antigen and antibodies, bot...

Dr. Liao Zhongxin Reply:
According to the CDC website: A. Mode of Transmission: Hepatitis B surface antigen can be found in bodily fluids and secretions, but only blood, semen, and vaginal secretions are considered infectious. The presence of e antigen indicates a high concentration of the virus in the b...

Managing High White Blood Cell Count and Asthma: Dietary Guidelines

What foods can be consumed with elevated white blood cell count and moderate asthma? Hello, doctor. My family member went to the hospital today for a check-up and found that their white blood cell count is over 20,000. The doctor mentioned there are signs of inflammation. Due to ...

Dr. Hong Yuanbin Reply:
1. Regarding the elevated white blood cell count, it is likely not just inflammation but an indication of infection. Based on the symptoms, the most probable cause is a respiratory infection, and an X-ray may be needed to confirm the presence of pneumonia. Antibiotics or hospital...

Understanding High Cholesterol in Underweight Individuals: A 22-Year-Old's Case

Very thin with high cholesterol? Hello doctor, I am 22 years old, 176 cm tall, and weigh 49 kg, which is quite thin. However, my total cholesterol is 201, which exceeds the standard. Due to my work schedule, I often have irregular sleeping patterns and eat convenience store food....

Dr. Wu Jiyu Reply:
In response to your inquiry regarding oral isotretinoin, it is important to note that a small percentage of patients may experience an increase in blood lipids. It is advisable to monitor lipid levels after discontinuing the medication; if levels decrease, this may indicate a rel...

Understanding Tongue Bumps: Causes and When to Seek Medical Advice

Issues with the tongue while eating? Hello doctor, last night while I was eating German sausage and pizza, I suddenly felt a bump on my tongue. When I looked in the mirror, I found a protrusion that looked like a bruise on my tongue. After researching online, it seems to be a blo...

Dr. Hong Yuanbin Reply:
Hello, this is a small blister caused by microvascular bleeding on the surface of the tongue. It is likely due to accidentally biting your tongue or friction from food. Usually, it does not require special treatment and will disappear in a few days. It does not affect vaccine adm...

Understanding a Red Spot on Your Foot: Causes and Concerns

A red spot on the dorsum of the foot? Hello, I would like to ask the doctor about something. I received a vaccine at the beginning of September, and I am scheduled to get another one next week. However, after taking a shower just now, I suddenly noticed a red spot on the top of m...

Dr. Hong Yuanbin Reply:
Hello, based on the image, it appears to be caused by microvascular hemorrhage in the skin, likely due to unintentional friction or impact. It is advisable to simply observe it, as it should gradually resolve in a few days. Thank you for your inquiry.

Significant Drop in eGFR: Should You Be Concerned About Kidney Health?

The most recent test showed a significant decrease in glomerular filtration rate (GFR)? Hello, Doctor. I am currently 29 years old, 153 cm tall, and weigh 50 kg. Last year, during a company health check, I was found to have elevated fasting blood glucose levels (118), but my hemo...

Dr. He Yonghe Reply:
Hello Ms. Wang, drinking less water can also lead to a decrease in eGFR. Generally, 2500-3000 cc per day should be sufficient. If your cholesterol is elevated, dietary changes and exercise can help improve it. You may consider visiting an internal medicine specialist for further ...

Understanding the Risks of STIs After Unprotected Sex: What You Need to Know

Do I have a chance of experiencing sleep disturbances? On November 28th, I visited a sex worker and engaged in unprotected oral sex and unprotected vaginal intercourse. Although the worker claimed to get tested regularly, I still felt anxious. The unprotected vaginal intercourse ...

Dr. Liao Zhongxin Reply:
1. According to data from the Centers for Disease Control, there are three main routes of HIV transmission: A. Sexual transmission: Engaging in oral, anal, or vaginal intercourse or other exchanges of bodily fluids with an HIV-infected individual carries a risk of infection. B. B...

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