Understanding Recurring Skin Infections: Causes and Treatments
Skin infection issues? There is a specific area on my calf that has become particularly rough due to prolonged friction with my pants. The skin in that area is darker, approximately 2.5 cm in size. Later, I experienced a sensation of a foreign body, and upon applying pressure, I ...
Dr. Hong Yuanbin Reply:
Hello, the condition you mentioned is likely folliculitis. You can use iodine ointment or antibiotic ointment. It's important to avoid squeezing or picking at it. Typically, this condition occurs more easily in hot and humid environments, so it's recommended to wear bre...[Read More] Understanding Recurring Skin Infections: Causes and Treatments
Food Safety: Handling Raw and Cooked Foods to Prevent Infections
Raw and Cooked Food Issues Hello, Doctor. I would like to ask you a few questions: 1. After defrosting raw food in the microwave, can I directly microwave it again to cook? Will the cooked food have bacteria from the raw food? (I have already eaten the cooked food but am concer...
Dr. Hong Yuanbin Reply:
Hello, 1. It is best to consume food that has been defrosted in the microwave immediately, as leaving it out for too long can lead to bacterial growth; however, there are no concerns regarding parasites. 2. Washing your hands frequently can help prevent infections. 3. Yes, us...[Read More] Food Safety: Handling Raw and Cooked Foods to Prevent Infections
Can You Get Parasites from Playing on the Playground?
Are there parasites on the playground? Today at school, while playing baseball, I was supposed to catch a fly ball but accidentally made a mistake and ended up licking a large area of the ball with my tongue. I know it sounds ridiculous, but I'm a bit worried because I saw t...
Dr. Hong Yuanbin Reply:
Hello, there are likely more bacteria on the playground, and the chances of human parasitic infections are low, so it is unlikely to contract a parasitic infection. Thank you for your question.[Read More] Can You Get Parasites from Playing on the Playground?
Understanding Kidney Function Tests and Chronic Kidney Disease in Seniors
Kidney function tests Hello Doctor: I would like to ask about a 90-year-old patient whose glomerular filtration rate (GFR) was found to be in the range of stage 2 during a blood test in early March. Does this indicate chronic kidney disease (CKD), or should we wait for the next b...
Dr. Huang Yaoxuan Reply:
Hello Matza: 1. "Chronic" kidney disease refers to a condition where kidney function abnormalities persist for a duration of 3 to 6 months with minimal variation. 2. Regarding the 90-year-old elder you mentioned, the glomerular filtration rate (GFR) falls within stag...[Read More] Understanding Kidney Function Tests and Chronic Kidney Disease in Seniors
Can Touching a Trash Can Lead to Infection? Expert Insights
Infection concerns? Hello, doctor. I would like to ask, if I accidentally touch a trash can while using a public restroom, and then wipe my intimate area or touch other parts of my body afterward, could this lead to an infection? Thank you!
Dr. Hong Yuanbin Reply:
Hello, the condition you mentioned will not cause an infection. Thank you for your question.[Read More] Can Touching a Trash Can Lead to Infection? Expert Insights
Can Indirect Contact with Trash Bins Lead to Infections?
Is indirect transmission possible? Hello, doctor. I would like to ask if there is a risk of infection if I accidentally touch a trash can while using the restroom and then clean my intimate areas or touch other parts of my body afterward. Additionally, is it sufficient to wash my...
Dr. Hong Yuanbin Reply:
Hello, the situation you mentioned does not lead to infection. Washing hands frequently can indeed help prevent infections. Thank you for your inquiry.[Read More] Can Indirect Contact with Trash Bins Lead to Infections?
Understanding Fluctuating Urine Sugar Levels: What Do They Mean?
Inquiry Consultation Dear Dr. Lee, I would like to ask you a question. When I was 18 years old, I underwent a health check-up. The urine test (dipstick test) showed an abnormal glucose (Glu) level of ++. However, being young at the time, I did not pay much attention to the resul...
Dr. Li Jian Reply:
If fasting is not observed before the health check, it may lead to the presence of glucose in the urine. Fasting blood tests are more accurate. Thank you for your inquiry.[Read More] Understanding Fluctuating Urine Sugar Levels: What Do They Mean?
Understanding Eczema: Causes, Treatments, and Concerns About Skin Changes
Elbow issues? Hello, I would like to ask the doctor about a condition I've been experiencing. I previously visited a dermatologist and an internist because occasionally I have sudden itching on my elbow. I'm not sure if I've scratched the skin, but it appears to ha...
Dr. Hong Yuanbin Reply:
Hello, it does appear to be chronic eczema, which is often caused by frequent rubbing or scratching. The darkening is due to post-inflammatory hyperpigmentation. As long as you avoid continuous rubbing or scratching, the color will gradually return to normal. Regarding the rash a...[Read More] Understanding Eczema: Causes, Treatments, and Concerns About Skin Changes
Can You Get HIV or STDs from Contaminated Food with Mouth Sores?
About infections? Hello, doctor. I would like to ask, if food contains HIV, hepatitis B, C, or syphilis viruses, and I have a cut in my mouth that comes into contact with these viruses, will I contract these diseases? Thank you.
Dr. Hong Yuanbin Reply:
Hello, the situation you mentioned does not pose a risk of infection for these diseases. Thank you for your inquiry.[Read More] Can You Get HIV or STDs from Contaminated Food with Mouth Sores?
Concerns About Eating Undercooked Meat: Infection Risks Explained
Ingestion of raw food? Hello doctor, I usually cook braised pork at home, but today I got home late from work and saw a pot of what I thought was braised pork and fish balls in the refrigerator. Since it was late, I didn't heat it up properly and ate three fish balls floatin...
Dr. Lin Wufu Reply:
Hello, the chance of parasites is low because the meatballs are usually frozen, and parasites die when frozen. However, the bacteria in undercooked food can be higher, which may lead to some stomach discomfort or diarrhea, but it is unlikely to cause serious consequences, so ther...[Read More] Concerns About Eating Undercooked Meat: Infection Risks Explained
Managing Hyperthyroidism in Children: Concerns and Treatment Insights
Hyperthyroidism in children? Hello Doctor: My child, around 8 years old, started showing signs of hyperthyroidism. After treatment (taking antithyroid medication and medication to lower heart rate), the free T4 levels quickly returned to normal, but the TSH has remained consisten...
Dr. Li Jian Reply:
Pediatric thyroid issues should be consulted with a pediatric endocrinologist for more specialized care. Thank you for your inquiry.[Read More] Managing Hyperthyroidism in Children: Concerns and Treatment Insights
Understanding Lower Back Pain and Related Symptoms: A Comprehensive Guide
Lower back pain? Lower back pain, numbness in hands, slight pinkish blood when wiping after urination, sometimes present and sometimes absent, generalized abdominal pain without a specific location, occasional decreased urine output which may be due to hot weather and sweating, d...
Dr. Lin Wufu Reply:
Hello, urinary tract infection should be ruled out first, as it can cause hematuria and abdominal pain. If there is also kidney inflammation, it may lead to lower back pain. It is recommended to consult an infectious disease specialist or a urologist for a urine test and further ...[Read More] Understanding Lower Back Pain and Related Symptoms: A Comprehensive Guide
Understanding Oral Mucosal Folds: When to Seek Medical Advice
Oral mucosal folds I noticed something unusual when I licked the inside of my lower lip with my tongue. After looking in the mirror, I found fine lines that appear like folds or small cracks, aligned parallel to my teeth, but they do not extend to the sides. I also feel that my l...
Dr. Hong Yuanbin Reply:
Hello, regarding fine lines or unusual sensations, these are more subjective feelings and can be difficult to diagnose. The blisters are suspected to be caused by the herpes simplex virus, which is often triggered by irregular sleep patterns or high stress levels. Therefore, it i...[Read More] Understanding Oral Mucosal Folds: When to Seek Medical Advice
Understanding Oral Mucosal Folds: When to Seek Medical Advice
Oral mucosal folds The inner side of my lower lip feels strange when I lick it with my tongue. After looking in the mirror, I noticed fine lines that appear like wrinkles or small fissures, aligned parallel to my teeth, but they do not extend to the sides. I also feel that my low...
Dr. Hong Yuanbin Reply:
Hello, regarding fine lines or unusual sensations, these are more subjective experiences and can be difficult to diagnose. The blisters are suspected to be caused by the herpes simplex virus, which is often triggered by irregular sleep patterns or high stress levels. Therefore, i...[Read More] Understanding Oral Mucosal Folds: When to Seek Medical Advice
Understanding HIV Transmission Risks: Your Questions Answered
Inquiry about HIV issues? Hello, Dr. Hong. My friend is a male HIV patient, but I am very close to him and do not mind his condition. However, just yesterday, he masturbated at my house and ejaculated onto a tissue, which he then threw into the bathroom trash can. After he left, ...
Dr. Hong Yuanbin Reply:
Hello, the situation you mentioned does indeed carry a certain risk of infection. It is recommended that you visit the infectious disease outpatient clinic for screening and consultation regarding whether any further treatment is necessary. Thank you for your inquiry.[Read More] Understanding HIV Transmission Risks: Your Questions Answered
Understanding Rheumatoid Arthritis and Its Connection to Autoimmune Antibodies
Rheumatoid Arthritis and Antinuclear Antibodies Hello Doctor, I would like to ask you: 1. I have been experiencing knee joint pain for a while (but there is no redness or swelling). It hurts when I am at rest, and sometimes other bones in my lower body also ache slightly. I am ...
Dr. Gao Jiankai Reply:
Hello, thank you for your questions. Here are my responses: 1. I have been experiencing knee joint pain for a while (but without redness or swelling). It hurts when I am not moving, and sometimes other bones in my lower body also ache slightly. I am unsure if this is an early sy...[Read More] Understanding Rheumatoid Arthritis and Its Connection to Autoimmune Antibodies
Understanding Reactive Arthritis: Symptoms, Diagnosis, and Treatment Options
Leigh syndrome Hello Doctor, I have normal blood test results, but my symptoms have led my physician to suspect reactive arthritis. I would like to ask you the following questions: 1. My first symptom was pain in the Achilles tendon at the heel, which appears normal externally. ...
Dr. Gao Jiankai Reply:
Hello, thank you for your inquiry. Here are my responses: 1. My first symptom is pain in the Achilles tendon at the calcaneus, which appears normal externally. However, after sitting for a long time, I experience brief pain when I stand up and walk, which subsides after walking ...[Read More] Understanding Reactive Arthritis: Symptoms, Diagnosis, and Treatment Options
Why Side Sleeping Causes Abdominal Pain: Causes and Solutions
Unable to sleep on one's side? Hello Doctor: When I sleep on my side for a while and then turn back to a supine position, I experience significant abdominal pain. It feels as if my gastrointestinal tract has sagged due to side sleeping, and the sudden return to a supine posi...
Dr. Hong Yuanbin Reply:
Hello, theoretically, diseases of the intra-abdominal organs should not cause the phenomena you described. It is possible that poor side sleeping posture has led to a strain. I recommend applying heat to the painful area or using anti-inflammatory ointment. If there is no improve...[Read More] Why Side Sleeping Causes Abdominal Pain: Causes and Solutions
Is It Safe to Eat Leftover Sashimi? Risks and Concerns Explained
Eating leftover sashimi can have effects. Sashimi is raw fish, and if it is not stored properly or consumed within a safe timeframe, it can pose a risk of foodborne illnesses due to bacterial growth or parasites. It is generally recommended to consume sashimi fresh and to refrige...
Dr. Hong Yuanbin Reply:
Hello, the impact of parasites is relatively minor; the main concern is the consumption of raw food that has been left overnight, which can lead to significant bacterial growth. This increases the risk of bacterial gastroenteritis. Please be cautious of symptoms such as fever, ab...[Read More] Is It Safe to Eat Leftover Sashimi? Risks and Concerns Explained
Understanding Exercise Fatigue and Heart Issues: A Patient's Journey
Exercise, fatigue, heart problems? Dear Doctor, For the past few months, I have been feeling more fatigued than usual. I feel weak when standing and cannot walk for long periods. Additionally, my exercise capacity has decreased significantly; I often experience an inexplicable ...
Dr. Hong Yuanbin Reply:
Based on your description, it is possible that the issue may be due to physiological or psychological factors. I recommend starting with a visit to a family medicine specialist to check your basic health status, such as whether you have anemia or if your endocrine system is funct...[Read More] Understanding Exercise Fatigue and Heart Issues: A Patient's Journey