Understanding Black Toenails: Causes and Treatments for Your Concerns
A dark spot on the nail? Hello, doctor. I'm 16 years old, and today I noticed that the smallest toenail on my left foot is black. I've had athlete's foot since I was young, and the other toenails are normal. Only this little toenail is black, and I usually keep my ...
Dr. Li Yufen Reply:
Hello: Based solely on the textual description, it is not possible to diagnose the skin condition of nail discoloration. It could be caused by a fungal infection leading to onychomycosis, trauma resulting in subungual hematoma, or conditions such as melanonychia or melanoma. It i...[Read More] Understanding Black Toenails: Causes and Treatments for Your Concerns
Understanding U Soft Cream: Treatment for Skin Irritation and Peeling
U Soft Cream ointment treatment Hello, doctor. My symptoms include small areas of redness and peeling on both sides of my groin, which are particularly noticeable after showering. They are slightly painful and a bit itchy. The doctor prescribed me "U Soft Cream," which ...
Dr. Li Yufen Reply:
Hello: The main ingredient of "U Soft Cream" is Urea, which primarily functions as a moisturizer and exfoliant, and does not have antibacterial properties. If the skin condition does not improve or worsens, it is important to confirm whether it is due to another skin di...[Read More] Understanding U Soft Cream: Treatment for Skin Irritation and Peeling
Understanding Hair Loss and Sparse Eyebrows: Causes and Concerns for Young Men
Hair loss (M-shaped receding hairline on both sides of the forehead + loss of widow's peak) + thinning eyebrows (near the nasal area)? Hello doctors, I would like to inquire if there are any other potential causes for my hair loss and eyebrow loss aside from my current medic...
Dr. Wu Yuxin Reply:
Male pattern baldness and alopecia areata are completely different types of hair loss, and one must see them to understand the distinction.[Read More] Understanding Hair Loss and Sparse Eyebrows: Causes and Concerns for Young Men
Can You Get the HPV Vaccine After Having Warts? A Dermatology Guide
Can someone who has had "viral warts" still receive the HPV vaccine? Is it commonly referred to as "cauliflower"? I would like to ask about this topic~ I previously had viral warts and it seems I have found some again recently. Should I complete the treatment ...
Dr. Li Yufen Reply:
Hello: For a detailed introduction to the cervical cancer vaccine (HPV vaccine), you can refer to the health education article from Shin Kong Hospital at https://www.skh.org.tw/skh_resource/leap_do/health_picture/1544066998214/Understanding_Cervical_Cancer_and_the_Cervical_Cancer...[Read More] Can You Get the HPV Vaccine After Having Warts? A Dermatology Guide
Urgent Foot Health: Toenail Issues and Lip Peeling Explained
The big toes (on both feet) have been swollen and painful for about half a month to a month. The nail matrix (the junction between the nail and the skin) has become flaky (and even missing in some areas). The nails have not been intentionally trimmed, but the area around the nail...
Dr. Li Yufen Reply:
Hello: It is recommended that if the skin symptoms do not improve or worsen, you should consult a dermatologist for diagnosis and treatment. Generally, they can assess multiple areas of the skin at the same time. Thank you![Read More] Urgent Foot Health: Toenail Issues and Lip Peeling Explained
Understanding Belly Button Issues: Causes, Treatments, and When to See a Doctor
Umbilical issues Yesterday, I scratched my belly button and noticed some black dirt. I continued to dig and ended up removing a large chunk of black dirt that had a foul odor. Later, while showering, I discovered that the inside of my belly button was red and slightly broken, and...
Dr. Wu Yuxin Reply:
You can see a dermatologist to first identify the cause of the condition.[Read More] Understanding Belly Button Issues: Causes, Treatments, and When to See a Doctor
Understanding Blisters After Cryotherapy: Causes and Solutions
After cryotherapy, blisters developed and turned black the next day? Doctor, I recently underwent cryotherapy for a plantar wart on the sole of my foot. I developed a blister on the same day, but two days later, the blister has noticeably enlarged and turned completely black, and...
Dr. Wu Yuxin Reply:
It is quite common for excessive friction to cause blisters to enlarge. The darkening is likely due to microvascular rupture, which is not a cause for concern. Regular follow-up appointments are sufficient.[Read More] Understanding Blisters After Cryotherapy: Causes and Solutions
Is It a Wart, Corn, or Lipoma? Understanding Your Foot Skin Concerns
Unsure whether it is a wart, corn, or sebaceous cyst? Hello Dr. Wu: Today I discovered a black spot under the skin on the sole of my foot. It feels a bit hard when pressed and has a slight pain. When I squeezed it with my hand, it became somewhat raised and red, resembling a pimp...
Dr. Wu Yuxin Reply:
Actually, I'm still unclear about your question. Without seeing the lesion in person, it's impossible to determine the issue. If it's causing you significant distress, please seek medical attention as soon as possible. A proper examination is necessary to understan...[Read More] Is It a Wart, Corn, or Lipoma? Understanding Your Foot Skin Concerns
Understanding Viral Warts: Risks, Treatment, and Cancer Concerns
Viral warts Dear Dr. Wu, I have developed viral warts on my face and neck. After undergoing cryotherapy about four days ago, I had been picking at them with my hands before the treatment, thinking they were just acne. During this period, if I cook or wash vegetables, is there a p...
Dr. Wu Yuxin Reply:
Human papillomavirus (HPV) is currently known to be associated with various epithelial cancers in many organs; however, the mechanisms by which it causes these cancers are not yet fully understood. It is recommended that if an infection is known to be present in a specific area o...[Read More] Understanding Viral Warts: Risks, Treatment, and Cancer Concerns
Understanding Redness and Itching: Is It Balanitis or an Infection?
Redness and itching of the foreskin? I would like to inquire about a situation where, after masturbation, the area around the foreskin became tight, very red, and extremely itchy. It now appears rough and wrinkled, with some peeling, but the glans is unaffected, and there is no d...
Dr. Wu Yuxin Reply:
Excessive friction may cause eczema. However, without seeing the lesions, it is difficult to determine the exact issue. If it is very bothersome, please seek medical attention promptly.[Read More] Understanding Redness and Itching: Is It Balanitis or an Infection?
Is My Skin Condition a Fungal Infection? Expert Advice Needed
Doctor Wu, could my skin issue be a fungal infection? Can I purchase medication at the pharmacy for self-treatment? Dear Dr. Wu/Director, In recent years, my skin has developed red, spot-like rashes every autumn and winter. I have attached a photo of the affected area for your r...
Dr. Wu Yuxin Reply:
Medical regulations state that "a physician must personally examine a patient before providing treatment or prescribing medication..." Therefore, online diagnosis is also not permissible. If you are experiencing significant distress, it is advisable to seek medical atte...[Read More] Is My Skin Condition a Fungal Infection? Expert Advice Needed
Understanding Skin Disease Transmission Risks in Adult Entertainment
Contact transmission? Hello doctor, I have a few questions regarding my previous visits to the adult entertainment industry. During those visits, there was only manual stimulation involved, and no sexual intercourse took place. Here are my questions: 1. Is there a possibility of...
Dr. Wu Yuxin Reply:
Be cautious, as there are many diseases that can be transmitted through contact with the skin, oral cavity, and genitalia. It is advisable to consult the infectious disease department at various hospitals.[Read More] Understanding Skin Disease Transmission Risks in Adult Entertainment
Understanding the Loss of Nail Matrix: Causes and Solutions
The absence of squamous epithelium? Hello doctor, I noticed the sudden disappearance of my nail matrix two days ago, which has caused my proximal nail fold to be movable. The entire nail plate and proximal nail fold appear slightly elevated. Is this phenomenon related to any heal...
Dr. Wu Yuxin Reply:
There may be an injury or infection that requires medical treatment.[Read More] Understanding the Loss of Nail Matrix: Causes and Solutions
Concerns About Oral Medication for Scabies Treatment
Issues with Oral Medications for Scabies Hello doctor, I was diagnosed with scabies today. During my visit, I was only prescribed oral Ivermectin to be taken weekly. I would like to ask if taking Ivermectin weekly will prevent reinfestation, considering that I sleep under a blank...
Dr. Wu Yuxin Reply:
Therefore, intimate clothing and bedding must be disinfected.[Read More] Concerns About Oral Medication for Scabies Treatment
Concerns About Infection After Accidental Needle Prick Without Blood
Punctured by a needle, no bleeding, no wound? Today, while performing eyebrow microblading for a client, I accidentally pricked my hand with the needle that was used on the client, who was already oozing serous fluid at the time. Since it was an accidental contact, I immediately ...
Dr. Wu Yuxin Reply:
It is difficult to determine. I recommend that you see an infectious disease specialist.[Read More] Concerns About Infection After Accidental Needle Prick Without Blood
Is Hair Transplant Safe? Understanding Risks and Precautions
Hair issues? Hello Dr. Wu, I am experiencing issues with M-type hair loss. Recently, I consulted a hair transplant clinic regarding the procedures and precautions, and one of the requirements is to undergo blood tests prior to the surgery to confirm that the patient does not have...
Dr. Wu Yuxin Reply:
No, it won't.[Read More] Is Hair Transplant Safe? Understanding Risks and Precautions
Is Swelling Normal After Getting a Tattoo? Understanding Infection Risks
Tattoo infection It is normal for your arm to be swollen after getting a tattoo, especially if the session lasted about four hours. The swelling, particularly around the elbow area, can persist for a few days. Although you have taken anti-inflammatory pain medication and haven&#x...
Dr. Wu Yuxin Reply:
It is important to seek medical attention promptly to confirm whether there is an infection, as an infection may lead to scarring.[Read More] Is Swelling Normal After Getting a Tattoo? Understanding Infection Risks
Post-Cyst Surgery: Do I Need to Finish My Medication?
Post-operative care for sebaceous cysts? I had a minor incision for a cyst removal procedure yesterday, where the contents and the sac were cleared out. After the surgery, I was prescribed medication to be taken three times a day for one day, along with an ointment to apply in th...
Dr. Li Yufen Reply:
Hello: After a general cyst excision, antibiotics or anti-inflammatory medications may be prescribed to prevent wound infection. It is usually not recommended to discontinue the medication on your own. If there are still any abnormalities in the skin, it is advisable to return to...[Read More] Post-Cyst Surgery: Do I Need to Finish My Medication?
Understanding Pubic Lice: Signs, Symptoms, and Infection Timeline
Pubic lice issue Hello, Doctor. I would like to ask, after having intimate contact with someone suspected of having a pubic lice infestation, how long should one wait without noticing any signs of infection to be certain that they are not infected? Additionally, besides seeing th...
Dr. Wu Yuxin Reply:
Around 1-2 weeks. There may be itching and a rash, and in some severe cases, there could be blood stains on the underwear.[Read More] Understanding Pubic Lice: Signs, Symptoms, and Infection Timeline
Understanding Pubic Lice: Symptoms, Detection, and Infection Timeline
Pubic lice issue Hello, Doctor. I would like to ask you, after having intimate contact with someone suspected of having a pubic lice infestation, how long should one wait without noticing any signs of infection to be certain that they are not infected? Additionally, besides seein...
Dr. Wu Yuxin Reply:
Around 1-2 weeks. Itching and rash, with some severe cases showing bloodstains on underwear.[Read More] Understanding Pubic Lice: Symptoms, Detection, and Infection Timeline