Understanding Skin Whitening from Steroid Cream Use in Genital Area
The use of steroid ointments has caused depigmentation of the genital skin? Hello, doctor. I have a few questions. Due to prostatitis, I am experiencing itching and moisture in the scrotum, burning at the urethral opening, and burning on the glans. I applied a steroid ointment (B...
Dr. Zeng Guosen Reply:
Hello, it is unlikely that the use of steroid ointments would cause skin discoloration in just a day or two. The cause of your condition is unclear, so I recommend returning to your original healthcare provider or visiting a dermatologist for evaluation. Thank you for your questi...[Read More] Understanding Skin Whitening from Steroid Cream Use in Genital Area
Understanding Urinary Concerns: When to Seek Medical Advice
I would like to ask a question to the doctor? Hello, I have some questions for the doctor. Sometimes after urinating, I feel like I might drip onto my underwear, or when I wake up, it seems like I might have had a nocturnal emission. There are times when I change my underwear fou...
Dr. Hong Yuanbin Reply:
Hello, the government has been promoting that ketamine can cause bladder fibrosis, leading to frequent urination, so it's understandable that your family members might overreact. However, nocturnal emissions are a normal physiological phenomenon, and changing underwear the n...[Read More] Understanding Urinary Concerns: When to Seek Medical Advice
Understanding Tongue Bumps: When to Seek Medical Advice
Issues with the tongue? Hello doctor, while brushing my teeth after finishing my studies, I noticed some small bumps on the surface of my tongue when I accidentally scraped off a bit of the coating. I hadn't paid attention to them before from a distance. When I pushed my ton...
Dr. Hong Yuanbin Reply:
Hello, what you described is indeed the normal structure of taste buds on the tongue, so you can rest assured. Thank you for your inquiry.[Read More] Understanding Tongue Bumps: When to Seek Medical Advice
Understanding Bloodborne Infection Risks: HIV and Skin Contact
Blood infection Previously, it was mentioned that acne does not transmit HIV, but what if acne on the face accidentally comes into contact with HIV-infected blood? Would there be a risk of exposure? Isn't it true that HIV can be transmitted through blood if it enters an open...
Dr. Hong Yuanbin Reply:
Hello, 1. The minor wounds you described, including acne scars, will not become infected with HIV through contact, so there is no need to worry. 2. Avoiding mucosal contact with the HIV virus can reduce the risk of infection. Thank you for your question.[Read More] Understanding Bloodborne Infection Risks: HIV and Skin Contact
Understanding Skin Spots: When to Worry About Moles and Growths
Could you please clarify your question regarding different doctors? Hello, recently I visited a dermatologist regarding a black spot on my chest, which the doctor identified as a mole. The doctor mentioned that its shape, size, and color appeared normal, so I should just monitor ...
Dr. Hong Yuanbin Reply:
Hello, based on the appearance in the picture, it does resemble a mole. It is normal for moles to have slight color variations, such as a reddish tint. Typically, moles are more likely to occur in areas exposed to sunlight, but this is not absolute; they can also appear on the ch...[Read More] Understanding Skin Spots: When to Worry About Moles and Growths
Understanding Finger Nail Blood Spots: When to Seek Medical Advice
Subungual hematoma Hello Doctor, after taking a shower, I noticed a small black dot at the tip of my left index finger nail. I previously read that skin lesions could also present this way, although they usually appear as a line. However, when I examined the area just in front of...
Dr. Hong Yuanbin Reply:
Hello, since I cannot assess the actual situation in detail, I can only speculate based on your description. It does seem likely that it could be scabbing or dirt, which are quite common on the fingers. If it has already fallen off, there is no need to worry. The iodine tincture ...[Read More] Understanding Finger Nail Blood Spots: When to Seek Medical Advice
Understanding Normal Variations in Male Glans Appearance and Hygiene
The urinary tract? Hello, doctor. Recently, I've been observing my genital area more frequently. When I retract the foreskin, the area I see is called the glans. I would like to ask you, doctor, when a male's glans is dry, it appears to have some wrinkled lines or small...
Dr. Hong Yuanbin Reply:
Hello, the wrinkled appearance of the glans you described is a normal phenomenon, so there is no need to worry. As for whether circumcision is necessary, doctors typically assess whether the foreskin can be retracted to expose the glans to determine if it is too long. It seems yo...[Read More] Understanding Normal Variations in Male Glans Appearance and Hygiene
Understanding STDs: Concerns About Transmission and Safe Practices
Sexually transmitted diseases (STDs) issues? Hello Doctor, I have a question. My boyfriend had a small bump last year and after examination, it was diagnosed as genital warts. I trust him completely, and I also got checked and was found to be negative. He has been very protective...
Dr. Hong Yuanbin Reply:
Hello, cauliflower is indeed transmitted through bodily fluids and blood via mucous membranes, and the risk of infection through general skin contact is quite low. As for condoms, they serve two additional purposes: one is to prevent the transmission of other sexually transmitted...[Read More] Understanding STDs: Concerns About Transmission and Safe Practices
Concerns About Contact with Menstrual Blood: Infection Risks Explained
Encountering suspected menstrual blood? Hello doctor, this morning when I got up to use the bathroom, I didn't pay much attention and just sat down. After I got up, I noticed there was blood on the toilet seat, which startled me at first because I thought something was wrong...
Dr. Hong Yuanbin Reply:
Hello, based on your description, direct skin contact with menstrual blood should not transmit sexually transmitted infections, including HIV and syphilis. These infections are not transmitted in this manner, so there is no need for concern. Thank you for your question.[Read More] Concerns About Contact with Menstrual Blood: Infection Risks Explained
Concerns About STIs: Risks of HIV and Syphilis After Sauna Encounter
Sexually transmitted infections (STIs), including HIV and syphilis? Hello, doctor. I would like to ask you some questions. Yesterday, I went to a sauna (a regular sauna), and after taking a shower, I lay down in the resting area to sleep. After a while, I heard some strange noise...
Dr. Lin Wufu Reply:
Hello: The situation you described generally poses a very low risk of transmission, unless there is a "bleeding" wound on the sole of the foot, which could increase the chance of disease transmission through that wound. The skin on the soles of the feet is quite thick, ...[Read More] Concerns About STIs: Risks of HIV and Syphilis After Sauna Encounter
Understanding Genital Health: Common Concerns and Expert Advice
Please ask your questions? Hello Dr. Hong, I would like to ask you a few health education questions. At the end of last year, I noticed a small lesion on the mucosal area of my glans and went to a urologist for examination. The doctor was unsure if it was a wart, so they performe...
Dr. Hong Yuanbin Reply:
Hello, regarding the first question, there is indeed no need to worry, as transmission is usually more likely through sexual contact. As for the second question, there is no standard answer because the clinical diagnosis of genital warts primarily relies on the observation of les...[Read More] Understanding Genital Health: Common Concerns and Expert Advice
Understanding Oral Health: White Bumps and Healing After Injury
Oral issues? Hello, Doctor. About five days ago, I accidentally bit my mouth while eating, causing some bleeding and seemingly biting off a small piece of skin, but I didn't tear it off. I applied oral ointment for about two days, and there was no bleeding, so I didn't ...
Dr. Hong Yuanbin Reply:
Hello, the healing wound in your oral cavity does indeed appear as you described, with a white color. It should gradually heal and the discoloration will eventually fade. If it continues to enlarge or does not heal, then medical attention will be necessary. Thank you for your inq...[Read More] Understanding Oral Health: White Bumps and Healing After Injury
Concerns About HIV Infection from Skin Contact in Public Hot Springs
Wound infection and HIV issues? Hello doctor, today in the steam room of a public hot spring, I accidentally had my butt touched by a stranger's hand. I discovered a pimple on my buttocks at home (it has a whitehead but I picked it and there was no bleeding, just redness). I...
Dr. Hong Yuanbin Reply:
Hello, typically, a large area of mucous membrane contact is required for HIV infection. Based on your description, the acne area should not pose a risk for infection. Thank you for your question.[Read More] Concerns About HIV Infection from Skin Contact in Public Hot Springs
Flea Concerns: Understanding Risks and Symptoms After Possible Exposure
Infectious Issues Hello, doctor. Today at school, while listening to a lecture with my friends, one of them mentioned that there might be some fleas at her home. Later, while chatting after class, I suddenly felt something small bump against the skin near my eye. I'm not sur...
Dr. Hong Yuanbin Reply:
Hello, regarding fleas, if individuals and their clothing are properly cleaned, it can indeed help prevent fleas. Clothing should be cleaned using standard methods. Fleas typically cause small bite marks that resemble those of a mosquito bite, and it is less likely to present the...[Read More] Flea Concerns: Understanding Risks and Symptoms After Possible Exposure
Flea Infestations: Health Risks and Prevention Tips
Insect issues? Hello, doctor. Recently, I've noticed fleas in my house. This morning, I saw one on my ankle while wearing socks, and when I tried to catch it with a tissue, it suddenly jumped and I lost track of it. I'm worried that it might have jumped onto my body, po...
Dr. Hong Yuanbin Reply:
Hello, it is important to pay attention to the presence of rodents or wild animals, as parasites such as chiggers on these animals can more easily cause infectious diseases. If there are no such animals, the risk of contracting serious diseases from common indoor fleas is relativ...[Read More] Flea Infestations: Health Risks and Prevention Tips
Understanding HIV Exposure Risks: Skin Contact and Mucosal Transmission
HIV exposure 1. If my hand came into contact with an unknown liquid on the back of my hand, and if that liquid contained HIV-infected bodily fluids, would I be at risk of infection if I have a small unnoticed cut on my skin? 2. If my underwear came into contact with HIV, would w...
Dr. Hong Yuanbin Reply:
Hello, there have been no reported cases of HIV infection resulting from contact between fluids and clothing, so it is unlikely that infection would occur. Thank you for your question.[Read More] Understanding HIV Exposure Risks: Skin Contact and Mucosal Transmission
Understanding HIV Infection Risks from Splash Exposure: Key Insights
Follow-up on the previous infection issue? I apologize for the inquiry, but I would like to ask: is there no risk of HIV infection if water from a toilet or unknown water splashes onto mucous membranes such as the vagina or eyes? I have researched that skin can act as a barrier t...
Dr. Hong Yuanbin Reply:
Hello, 1. Mucosal contact refers to the exposure of mucous membranes to semen during sexual intercourse. In general circumstances, contact with water does not lead to such infections. 2. Skin breakdown refers to wounds that have already caused bleeding. If the skin is merely ...[Read More] Understanding HIV Infection Risks from Splash Exposure: Key Insights
Can STDs Be Transmitted Through Acne or Skin Contact?
Can sexually transmitted infections (STIs) be transmitted? Hello, doctor. I previously had warts, but after they were treated with electrosurgery, they did not recur. However, I accidentally touched my chin acne while showering. Can the virus be transmitted through the acne wound...
Dr. Hong Yuanbin Reply:
Hello, based on your description, if there has been no recurrence of the disease previously, touching the pimple would not be contagious. Thank you for your question.[Read More] Can STDs Be Transmitted Through Acne or Skin Contact?
Can STDs Be Transmitted Through Acne or Skin Contact?
Can sexually transmitted infections (STIs) be transmitted? Hello doctor, I previously had genital warts, which were treated with electrocautery and have not recurred since. However, I accidentally touched my chin acne while showering. Can the virus be transmitted through the acne...
Dr. Hong Yuanbin Reply:
Hello, if the cauliflower (genital warts) has been treated with electrosurgery and there are no signs of recurrence, it should not be transmitted through the wound. Thank you for your question.[Read More] Can STDs Be Transmitted Through Acne or Skin Contact?
Haircut Injuries and the Risk of Infectious Diseases: What You Need to Know
Haircut wounds and infectious diseases? Hello Doctor: Recently, I went for a haircut, and during the process, the stylist accidentally cut my skin (the wound is less than 0.5cm x 0.5cm). Although the general consensus online is that haircuts do not pose a risk for common infectio...
Dr. Hong Yuanbin Reply:
Hello, getting a haircut will not infect you with the infectious diseases you mentioned. Hepatitis A is primarily transmitted through contaminated food, while Hepatitis B and C are mainly transmitted through blood transfusions, shared needles, or vertical transmission from mother...[Read More] Haircut Injuries and the Risk of Infectious Diseases: What You Need to Know