Understanding Red Itchy Blisters: Causes, Healing, and Care Tips
Red itchy blisters Hello, doctor. I have a third-degree burn on the dorsum of my foot, and I have been changing the dressing for over a month. However, two days ago, the area around the wound suddenly became extremely itchy, red, and developed a blister-like appearance. I consult...
Dr. Wu Yuxin Reply:
The most important aspect of diagnosing skin diseases is to observe the lesions; otherwise, it is difficult to confirm the diagnosis. It is recommended that you seek medical attention as soon as possible to avoid any delays.[Read More] Understanding Red Itchy Blisters: Causes, Healing, and Care Tips
Effectiveness of Switching Oral Medications for Toenail Fungus Treatment
The effectiveness of switching oral medications for onychomycosis (fungal nail infection) midway through treatment? Hello, I have had onychomycosis for many years. Four of my toes on my right foot are affected. Two years ago, I visited a dermatologist who prescribed an oral medic...
Dr. Li Yufen Reply:
Hello: The treatment course for onychomycosis typically lasts for 12 weeks. You have already been on oral medication for 10 weeks and have seen a certain degree of improvement. It is recommended to observe whether the new nail growth on your big toe is normal. If there are any ab...[Read More] Effectiveness of Switching Oral Medications for Toenail Fungus Treatment
Diagnosing Athlete's Foot vs. Dyshidrotic Eczema: Key Insights
Diagnosis of athlete's foot and dyshidrotic eczema? I have been troubled by athlete's foot for many years. I have used a certain brand of ointment that was effective, but it quickly recurred. I consulted dermatologists, and some said it was athlete's foot while oth...
Dr. Wu Yuxin Reply:
Dyshidrotic eczema and tinea pedis are skin conditions that commonly occur on the feet during the summer in Taiwan, and they can also appear simultaneously. Today, it may be dyshidrotic eczema, but a few days later, it could develop into tinea pedis due to a fungal infection. The...[Read More] Diagnosing Athlete's Foot vs. Dyshidrotic Eczema: Key Insights
Understanding and Treating Calluses and Dead Skin on Feet
Calluses on the soles of the feet? Hello Doctor: My father has had calluses or dead skin on the soles of his feet for several years. A few years ago, he visited a dermatology clinic for about a year, where he was treated with cryotherapy. However, he mentioned that after a year, ...
Dr. Li Yufen Reply:
Hello: Based solely on the textual description, it is not possible to accurately diagnose a skin condition. The presence of calluses or dead skin on the soles of the feet can have many causes, including viral warts, plantar warts, or corns. If the affected area is extensive, it c...[Read More] Understanding and Treating Calluses and Dead Skin on Feet
Understanding Dark Spots Under Thick Skin: When to Seek Medical Advice
Melanin in the thick dermis? Hello Doctor, my mother had surgery last year to remove a precancerous lesion of melanoma found on her toe. Recently, we noticed a black dot under a translucent thickened area of skin on her foot. She thinks it might just be dirt. I would like to ask ...
Dr. Wu Yuxin Reply:
1. It may not necessarily be excluded, such as in cases of post-traumatic tattoos. 2. It depends on the clinical situation.[Read More] Understanding Dark Spots Under Thick Skin: When to Seek Medical Advice
Can Incomplete Treatment of Athlete's Foot Lead to Nail Fungus?
Incomplete treatment I have been suffering from athlete's foot for 5-6 years, but each treatment has led to the development of onychomycosis, and I have not completed the courses. Is there still a chance for me to be cured? (Medications I have tried: Miconazole (currently), ...
Dr. Wu Yuxin Reply:
Yes, but the effectiveness may decrease due to antibiotic resistance.[Read More] Can Incomplete Treatment of Athlete's Foot Lead to Nail Fungus?
Understanding Black Moles on the Sole: When to Remove or Monitor
Regarding black moles on the soles of the feet? Dear Dr. Wu, I have a flat black mole on the sole of my right foot, approximately 0.4 cm in size, which has been present for about 20 years without any changes. I would like to ask you the following questions: Q1. In your opinion ...
Dr. Wu Yuxin Reply:
1. It is recommended to have regular check-ups. 2. This issue should be determined after an outpatient examination.[Read More] Understanding Black Moles on the Sole: When to Remove or Monitor
Understanding Risks of a Long-Standing Skin Lesion on Your Foot
There is a tumor on the dorsum of the left foot near the toes? There is a flesh-colored circular lump on the top of my foot that has been there for over 10 to 20 years. I haven't paid much attention to it until yesterday when I noticed it seems to have grown a bit. I'm ...
Dr. Wu Yuxin Reply:
Without actually seeing the lesion, it is impossible to determine the issue. If it is very concerning, please seek medical attention as soon as possible. A proper evaluation is necessary to understand the problem and to determine the appropriate course of action.[Read More] Understanding Risks of a Long-Standing Skin Lesion on Your Foot
How to Clean or Dispose of Shoes After Treating Athlete's Foot
After curing athlete's foot, how should the shoes worn during the treatment period be handled? Hello doctor, I would like to ask whether I need to throw away my leather shoes and sneakers that I wore while having athlete's foot after I recover. If I don't need to d...
Dr. Wu Yuxin Reply:
The focus is not on the shoes, but on whether foot hygiene and cleanliness are being maintained. As long as shoes are rotated and kept dry, that is sufficient.[Read More] How to Clean or Dispose of Shoes After Treating Athlete's Foot
Understanding Joint Flaking and Mild Pain: Is It Psoriasis?
Joint crepitus with mild pain, concerned it may be psoriasis? Hello Doctor: The symptoms first appeared about a year and a half ago. Initially, there was mild peeling on the outer sides of both elbows, followed by peeling at the front of both ankles (where the calf meets the foot...
Dr. Wu Yuxin Reply:
The diagnosis of psoriasis requires direct observation of the lesions; without seeing the lesions, it cannot be confirmed. If you are experiencing significant distress, please seek medical attention promptly. It is only after examination that the specific issue can be identified ...[Read More] Understanding Joint Flaking and Mild Pain: Is It Psoriasis?
Can You Get Vaccinated with a Plantar Wart?
Can warts caused by viruses be vaccinated against? I recently developed a plantar wart on the sole of my foot and underwent cryotherapy last week. The doctor mentioned that it would take a month to fall off. Can I receive a vaccine before it falls off, or should I wait until it h...
Dr. Wu Yuxin Reply:
Sure.[Read More] Can You Get Vaccinated with a Plantar Wart?
Effective Strategies to Prevent and Manage Viral Warts Spread
Viral warts are highly contagious? As a child, I had a viral wart on my toe, and before entering college, another one appeared on my right foot. I didn't address it, and recently it has spread significantly, even to my right hand fingers. After undergoing cryotherapy, I have...
Dr. Wu Yuxin Reply:
1. Aggressive treatment until none are left. 2. Therefore, aggressive treatment is necessary. 3. It is possible.[Read More] Effective Strategies to Prevent and Manage Viral Warts Spread
Post-Cryotherapy Concerns for Corns: When to Seek Medical Advice?
I have some questions after undergoing cryotherapy for my plantar warts and would like to consult a physician? Yesterday, I discovered that the sole of my left foot hurts when I walk. Upon inspection, I found a growth and suspected it might be a corn. I immediately visited a derm...
Dr. Wu Yuxin Reply:
It is normal to experience pain after cryotherapy, and you can take acetaminophen for relief. For any other questions, you should consult your attending physician, as they are most familiar with your condition.[Read More] Post-Cryotherapy Concerns for Corns: When to Seek Medical Advice?
Persistent Groin Itch: Can Fungal Infections Be Fully Cured?
Itchy groin that hasn't been resolved despite taking medication for a long time? Hello, doctor. I started seeing a dermatologist about a year ago because I had intense itching in my groin area. The doctor diagnosed it as a fungal infection. However, after using topical and o...
Dr. Wu Yuxin Reply:
"The recurrence after four months of topical and oral medication is entirely due to personal factors, such as the skin being prone to sweating and inadequate personal hygiene practices."[Read More] Persistent Groin Itch: Can Fungal Infections Be Fully Cured?
Understanding Dryness Between Toes: Causes and Treatment Options
Dryness of the toe web space of the big toe? Hello Dr. Wu, at the beginning of June, I noticed a small white spot in the webbing of my big toe, which was diagnosed as tinea pedis (athlete's foot). I have been diligently applying medication every day. Initially, there was ext...
Dr. Wu Yuxin Reply:
I apologize, but without actually seeing the lesion, it is not possible to make a definitive assessment.[Read More] Understanding Dryness Between Toes: Causes and Treatment Options
Unexplained Skin Itching: Causes and Solutions for Your Symptoms
Unexplained skin itching? In recent weeks, my skin has been experiencing unexplained itching. When I scratch the itchy areas, they turn red and develop bumps that resemble mosquito bites, even though I haven't been bitten. After a while, the itching subsides and the bumps fa...
Dr. Wu Yuxin Reply:
Without actually seeing the lesion, it is impossible to determine the issue. If it is causing significant distress, please seek medical attention promptly. A proper examination is necessary to identify the problem and determine the appropriate treatment.[Read More] Unexplained Skin Itching: Causes and Solutions for Your Symptoms
Managing Athlete's Foot: Should You Replace Old Shoes?
The issue of athlete's foot? Hello, doctor. I would like to ask you about a family member who recently contracted athlete's foot and has already seen a physician for treatment. Should they buy a new pair of shoes, or is it okay to continue wearing the old ones? I'm...
Dr. Wu Yuxin Reply:
Maintaining proper hygiene is more important than changing shoes.[Read More] Managing Athlete's Foot: Should You Replace Old Shoes?
Is It Athlete's Foot? Understanding Unusual Foot Symptoms
Not sure if it's athlete's foot? I have sweaty feet, so I usually wear moisture-wicking cotton socks and breathable shoes. However, recently I've noticed blue-green patches on my socks after coming home from work, and they have a strong odor. I'm sure it'...
Dr. Li Yufen Reply:
Hello: Based solely on the textual description, it is not possible to accurately diagnose a skin condition. If you tend to have sweaty feet, consider bringing extra pairs of socks during the day, or wearing sandals or open-toed shoes when possible to keep your feet ventilated. If...[Read More] Is It Athlete's Foot? Understanding Unusual Foot Symptoms
Managing Recurring Allergic Dermatitis and Dyshidrotic Eczema
Recurrent allergic dermatitis and dyshidrotic eczema? Hello Doctor, I suspect that my allergy source is from riding my bicycle past a factory on July 12, where there was a large amount of sand and gravel. That evening after riding, I noticed itching on my neck, and the rash gradu...
Dr. Wu Yuxin Reply:
There are skin issues, but without visible lesions, it is difficult to determine the problem, and I cannot provide any recommendations. If it is very bothersome, please seek medical attention as soon as possible.[Read More] Managing Recurring Allergic Dermatitis and Dyshidrotic Eczema
Concerns About Growing Moles on the Sole: Is It Melanoma?
Moles that grow on the soles of the feet? Hello Doctor: About 6-7 years ago, a mole suddenly appeared on the sole of my foot, which was originally not present. It has a diameter of approximately 0.15 cm, is very round, and dark in color. I didn't pay much attention to it unt...
Dr. Wu Yuxin Reply:
If you are concerned, why not seek a professional physician for an examination?[Read More] Concerns About Growing Moles on the Sole: Is It Melanoma?