Foot, Dermatology FAQ - Page 3

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Understanding Flat Moles on the Sole: Should You Worry?

Mole on the toe of the foot? Hello, doctor. Currently, I have a flat brown mole on the middle toe of my foot. It has been about 6 years since I first noticed it. Initially, it was smaller, but now it has a diameter of approximately 0.5 mm and resembles a triangular rice ball in s...


Dr. Wu Yuxin Reply:
It is recommended to consult a dermatologist for an actual examination to assess the possibility or risk of any lesions.

[Read More] Understanding Flat Moles on the Sole: Should You Worry?


Can Laser or Electrocautery Safely Remove Benign Foot Moles?

Inquiry Consultation Dear Dr. Wu, Hello. If there is a mole on the sole of the foot, and after examination, the doctor confirms it is a stable benign mole, I would like to ask the following questions: Q1. If I wish to remove the benign mole on the sole of my foot, can it be don...


Dr. Wu Yuxin Reply:
It is possible, but you need to ensure that it is thoroughly cleaned to achieve your desired outcome.

[Read More] Can Laser or Electrocautery Safely Remove Benign Foot Moles?


Understanding Freezing Treatment for Viral Warts: What to Expect

Cryotherapy for viral warts? Hello Doctor, recently I developed a viral wart on the outer side of my left foot's third toe. I visited a dermatologist last Wednesday and underwent cryotherapy, and I have scheduled another treatment in two weeks. After the first treatment, a b...


Dr. Wu Yuxin Reply:
Generally, it takes about 1 to 2 weeks for it to dry out. In principle, it is meaningful to proceed only after it has completely dried.

[Read More] Understanding Freezing Treatment for Viral Warts: What to Expect


Understanding Mosquito Bites: When to Seek Dermatological Help

Mosquito bites Hello, doctor. Based on my previous experiences with insect bites, they usually heal within 2-3 days. However, last week, I was bitten by what I suspect was a mosquito while I was sleeping (I later swatted it). The mosquito was quite large, and the bite was located...


Dr. Wu Yuxin Reply:
Different species of mosquitoes and individual variations in body constitution can lead to different symptoms after a bite.

[Read More] Understanding Mosquito Bites: When to Seek Dermatological Help


Concerns About Yeast Infection After Blister Treatment: What to Know

Blister wounds exposed to yeast infection? Hello Doctor: I would like to ask about a situation. Last week, I developed a painful blistering rash on my foot, and the blisters were quite large. The doctor decided to drain them with a needle and prescribed antibiotics along with a t...


Dr. Wu Yuxin Reply:
Not all types of yeast can infect the skin. At this stage, it is important to maintain cleanliness and monitor the situation. If symptoms occur, seek medical attention as soon as possible.

[Read More] Concerns About Yeast Infection After Blister Treatment: What to Know


Understanding Bruised Toes: When to Seek Medical Attention

Bruised toe Approximately in mid-November, I sustained a bruise on my right foot due to work-related activities. Initially, only my right big toe was affected, but the next day, I noticed a bruise appearing on my left big toe as well. The bruise on my left foot is smaller, while ...


Dr. Wu Yuxin Reply:
I kicked my right foot, but now my left foot has also developed a bruise. I should let the doctor take a look.

[Read More] Understanding Bruised Toes: When to Seek Medical Attention


Unexplained Itching: Is It Possible to Have Bites on One Leg Only?

Insect bites? Recently, I have been experiencing a recurring condition on my foot that resembles mosquito bites (but I am certain it is not from mosquitoes). The affected area is below the knee, primarily concentrated around the ankle and the top of the foot. When one area heals,...


Dr. Li Yufen Reply:
Hello: It is not possible to accurately diagnose skin diseases based solely on a textual description. For a detailed introduction to insect bites, you can refer to Dr. Lin Cheng-Hsien's article at https://www.dr-skin.com.tw/health/view/20. If the skin condition does not impr...

[Read More] Unexplained Itching: Is It Possible to Have Bites on One Leg Only?


Persistent Nail Bed Fungal Infection: Treatment Challenges and Solutions

The fungal infection near the fingertips close to the nails has not improved even after more than two months of continuous treatment? Symptoms and Treatment Process: The right side of the tip of the left thumb initially developed many small blisters (which do not easily burst, an...


Dr. Wu Yuxin Reply:
You should consider seeking medical attention or consulting the physician who prescribed your medication. I cannot provide an answer without seeing your nails.

[Read More] Persistent Nail Bed Fungal Infection: Treatment Challenges and Solutions


Understanding Toenail Fungus: Causes and Treatment Insights

Regarding the issue of onychomycosis (fungal nail infection)? Hello, doctor. I would like to ask about my toenails. I have seven toenails affected by onychomycosis, and two months ago, I used Lamisil and a nail file to remove the infected parts, and then applied medication. I can...


Dr. Wu Yuxin Reply:
Severe infections, injuries, or pressure from shoes can all be potential causes.

[Read More] Understanding Toenail Fungus: Causes and Treatment Insights


Ants on My Toes: Understanding Skin Issues and Diabetes Risks

There are ants in the foot wound? Recently, my toes and fingertips have been itchy, and the area between my right big toe and index toe has started to peel, resembling athlete's foot (not sure). There is a little bit of fluid, and while sleeping, the wound feels prickly. I w...


Dr. Li Yufen Reply:
Hello: Based solely on the textual description, it is not possible to accurately diagnose a skin condition. To determine if there is diabetes, you can visit a family medicine or endocrinology department to measure fasting blood glucose levels. If the skin condition does not impro...

[Read More] Ants on My Toes: Understanding Skin Issues and Diabetes Risks


Understanding Blisters on Hands and Feet: Fungal Infections vs. Dyshidrosis

Blisters on hands and feet? Hello, Doctor. I originally had athlete's foot and onychomycosis. Last November, I took oral medication for over three months, and my onychomycosis has mostly improved, with only a small area remaining on my big toe. Before taking the medication, ...


Dr. Wu Yuxin Reply:
Based solely on the literal description, it is not possible to determine whether it is a fungal infection or dyshidrotic eczema. Moreover, during the summer, Taiwan's hot and humid climate often sees both conditions coexisting and can easily lead to recurrent episodes. It is...

[Read More] Understanding Blisters on Hands and Feet: Fungal Infections vs. Dyshidrosis


Understanding Thickened and Peeling Heels: Causes and Treatments

Heel scaling and thickening (with attached link and images) Hello Doctor, I have been experiencing scaling and thickening of my heels for the past two to three years. Some doctors have suggested it might be keratotic athlete's foot, while others have mentioned eczema or dysh...


Dr. Wu Yuxin Reply:
Keratotic athlete's foot or dyshidrotic eczema is commonly seen in Taiwan due to the hot and humid climate, and they may occur concurrently. It is recommended to consult a dermatologist for appropriate medication tailored to the specific condition.

[Read More] Understanding Thickened and Peeling Heels: Causes and Treatments


Understanding Moles on Toes: When to See a Dermatologist

Mole on the toe? Hello, doctor. Recently, I noticed a small black mole on my left foot's ring finger, measuring less than 0.2 centimeters. I've heard that moles on the hands and feet can be concerning, which has made me quite anxious. I would like your opinion on this. ...


Dr. Wu Yuxin Reply:
Both dermatology and plastic surgery are acceptable.

[Read More] Understanding Moles on Toes: When to See a Dermatologist


Understanding and Managing Scar Pain: Is It Normal?

Scar pain or scar tenderness? I had a scratch on my foot that later developed into a raised scar (approximately 0.3-0.4 cm in size). It has been several years, but occasionally I experience a slight tingling or pain (which does not affect my daily life). Is this normal? I have re...


Dr. Wu Yuxin Reply:
Yes, but it requires treatment from a dermatologist.

[Read More] Understanding and Managing Scar Pain: Is It Normal?


Do Corns Fall Off on Their Own? Healing and Care Tips

The corn fell off on its own? Hello doctor, I originally had a corn on the heel of my right foot, which was painful when walking or pressing on it. However, in the past few weeks, the pain gradually diminished, and today when I came home and took off my socks, it fell off on its ...


Dr. Wu Yuxin Reply:
In principle, no medication is needed; observation is sufficient.

[Read More] Do Corns Fall Off on Their Own? Healing and Care Tips


Dealing with Embedded Hair in the Foot: Skin Care Insights and Concerns

Hair embedded in the sole of the foot? Hello, doctor. Yesterday, I discovered a hair embedded in the sole of my foot. When I tried to pull it out, a piece about 0.8 cm broke off and remains under the skin. No matter how much I squeeze, I can't get it out. I tried using a nee...


Dr. Li Yufen Reply:
Hello: Based solely on the textual description, it is not possible to accurately diagnose a skin condition. Since your wound hurts when you walk on it, it is uncertain whether there is still a foreign body embedded in the skin or if the wound is causing irritation and inflammatio...

[Read More] Dealing with Embedded Hair in the Foot: Skin Care Insights and Concerns


Persistent Warts: Why Do They Last Over a Year?

Viral warts have not resolved after more than a year? I have been treating viral warts for over a year, almost two years, but they still haven't improved. I undergo cryotherapy every two weeks and apply salicylic acid daily, but there are still a few stubborn ones on my foot...


Dr. Li Yufen Reply:
Hello: For a detailed introduction to viral warts, you can refer to the article on Care Online at https://www.careonline.com.tw/2017/08/warts.html. Indeed, some viral warts can be quite stubborn and may require multiple treatments. It is recommended to keep the feet dry to reduce...

[Read More] Persistent Warts: Why Do They Last Over a Year?


Is It a Viral Wart? Understanding Foot Lesions on Your Big Toe

Is it a viral wart? I would like to ask about a small hard patch on the sole of my big toe that resembles a corn. It is not painful or itchy and has a yellowish-gray color. It has been there for three months. During this time, I have used adhesive pads, and after peeling and trim...


Dr. Wu Yuxin Reply:
No lesions were observed, and it is not possible to determine the issue. If it is causing significant distress, please seek medical attention promptly.

[Read More] Is It a Viral Wart? Understanding Foot Lesions on Your Big Toe


Managing Excessive Foot Skin Shedding in Seniors: Tips and Solutions

Foot skin issues? Hello Doctor: I have a question on behalf of my grandfather (68 years old). He experiences excessive shedding of skin from his feet every day, leaving a lot of skin flakes on the bed. He does not rub his feet, yet the skin continues to fall off naturally. Every ...


Dr. Li Yufen Reply:
Hello: The two online photos only show the peeling skin on the feet, and do not provide information about the condition of the skin itself, making it difficult to determine the possible causes. If it is a peeling type of athlete's foot, treatment with antifungal ointment is ...

[Read More] Managing Excessive Foot Skin Shedding in Seniors: Tips and Solutions


Endless Shedding of Grandpa's Foot Skin: What Can Be Done?

Grandpa's foot skin keeps peeling endlessly; what should we do? Hello Doctor: I have a question regarding my grandfather (68 years old). He experiences excessive shedding of skin from his feet every day, leaving a lot of skin on the bed. He does not rub his feet, yet the ski...


Dr. Wu Yuxin Reply:
I apologize, but current medical regulations do not allow for online diagnoses in this manner. If it is inconvenient to visit a hospital or clinic due to the pandemic, you may consult a dermatology clinic that offers telemedicine services, which can provide care according to regu...

[Read More] Endless Shedding of Grandpa's Foot Skin: What Can Be Done?


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