Foot, Dermatology FAQ - Page 17

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Understanding Thick Calluses and Peeling Skin: Eczema or Athlete's Foot?

Thick calluses and peeling on the hands and feet may indicate chronic eczema or athlete's foot? Dear Dr. Lee, I would like to describe my symptoms as follows: 1. The dorsal surfaces of my fingers on both hands have developed thick calluses that are neither itchy nor painfu...


Dr. Li Yufen Reply:
Hello: 1. The photos of the left and right arms appear to be more consistent with chronic psoriasis, which is a type of chronic eczema. Treatment duration may be prolonged, and it is essential to apply the ointment regularly while avoiding scratching. 2. The condition of the ...

[Read More] Understanding Thick Calluses and Peeling Skin: Eczema or Athlete's Foot?


Understanding Warts: Contagion Risks and Treatment Effectiveness

Warts on hands and feet? Is the wart on my left index finger contagious? Can it spread to my scalp while washing my hair? (I have been undergoing cryotherapy.) The wart on my left foot is getting larger; what could be the reason for this? Is it due to ineffective cryotherapy?


Dr. Li Yufen Reply:
Hello: The infectiousness of the virus is not that strong; usually, it only enters through minor skin abrasions or wounds. After cryotherapy, blisters may form under the skin, and once the blisters dry, they will scab and fall off. Sometimes, it may appear that there is no skin i...

[Read More] Understanding Warts: Contagion Risks and Treatment Effectiveness


Understanding Subcutaneous Cysts: Causes and Treatment Options

Subcutaneous cyst Hello Director Wu: I noticed a round spot on my foot, about the size of a mung bean, that looks like a bruise (the surface is smooth and not raised). When I touch it, I can feel a round, elastic lump beneath the skin. Since it has a darker color on the skin'...


Dr. Wu Yuxin Reply:
Any skin tumor could be a possibility! It is recommended to seek medical attention as soon as possible. If necessary, surgical excision and biopsy can confirm the diagnosis.

[Read More] Understanding Subcutaneous Cysts: Causes and Treatment Options


Should You Remove Moles? Expert Insights on Skin Concerns

The issue with the mole last time? Hello, doctor. A few days ago, I asked a question and followed your advice to see a dermatologist today. Besides the mole on the sole of my foot, I also showed the doctor the raised mole on the back of my neck (about 0.6 cm, which has been there...


Dr. Yang Zhiya Reply:
If the physician cannot be certain that it is benign, it is still advisable for you to seek treatment at a major hospital. Reducing friction is the right approach!

[Read More] Should You Remove Moles? Expert Insights on Skin Concerns


Understanding Red Bumps on Your Child's Palms: Causes and Care

Red rashes on the palms? Hello, my 7-year-old boy often has dry and rough palms, and his skin is quite sensitive, frequently feeling itchy without any visible rashes. However, yesterday he developed small flat red spots on both palms, about the size of a grain of rice. They are n...


Dr. Li Yufen Reply:
Hello: If your skin is generally sensitive, it may be worth checking for any allergic predisposition. The presence of rashes on the palms can have various causes. If the number of rashes continues to increase, it is advisable to consult a dermatologist for a proper diagnosis. Tha...

[Read More] Understanding Red Bumps on Your Child's Palms: Causes and Care


Concerns About Faint Spots on the Sole: Is It Melanoma?

There are light spots on the soles of the feet? Hello, doctor. I have a faint spot about 0.3 cm on the sole of my foot (it doesn't look like a mole because it's very light). It seems to be located under the skin and has been there for several years. I often see informat...


Dr. Yang Zhiya Reply:
In clinical practice, determining the possibility of melanoma involves assessing factors such as the symmetry of the lesion, the integrity of its borders, the uniformity of its color, the size of the lesion, and whether it is raised, among others. It is recommended to consult a d...

[Read More] Concerns About Faint Spots on the Sole: Is It Melanoma?


Understanding Calluses in Children: When to Consider a Skin Biopsy?

Should a callus be biopsied for examination? Hello Dr. Wu, I apologize for bothering you. I would like to ask you some questions. Thank you. My son is currently over 4 years old, and he has developed severe calluses on the inner side of his left foot (this condition started to ap...


Dr. Wu Yuxin Reply:
Hello: Based on your description, the likelihood of developing calluses due to pressure in children aged 2-4 years is quite rare. Congenital palmoplantar keratoderma is predominantly bilateral, but it can initially present unilaterally. A biopsy is indeed necessary; it typically ...

[Read More] Understanding Calluses in Children: When to Consider a Skin Biopsy?


Eczema or Athlete's Foot? Understanding Your Toe Skin Symptoms

Please provide the content you would like me to translate into English? Hello, Doctor: I have symptoms on my toes where the skin is peeling and becoming thickened, and there is also peeling between my toes. I have seen doctors who mostly said it was eczema, indicating that it is ...


Dr. Li Yufen Reply:
Hello: This type of symptom cannot be judged literally, as the condition of the skin can change. For instance, athlete's foot is a fungal infection; if treated, it can be cured, but similar to a cold, there is a possibility of reinfection. On the other hand, if the condition...

[Read More] Eczema or Athlete's Foot? Understanding Your Toe Skin Symptoms


Effective Solutions for Persistent Eczema on Toes

Eczema issues Hello Dr. Lee, I have been experiencing chronic eczema on my toes. After applying the ointment, the skin often becomes hard, followed by peeling, and then the itching returns, creating a continuous cycle. Is there any solution to this problem? Thank you!


Dr. Li Yufen Reply:
Hello: First, I would recommend that you consult a nearby dermatologist for an accurate diagnosis to determine whether it is simple eczema, dyshidrotic eczema, or if there is a concurrent fungal infection, and to check if there are any issues with your toenails. If it is just sim...

[Read More] Effective Solutions for Persistent Eczema on Toes


Understanding Moles on the Soles: When to Seek Medical Advice

Mole on the sole of the foot? I have a mole on the bottom of my left foot that has been there for about 8 years. Six months ago, I had it surgically removed at the hospital, and the biopsy results showed it was a benign mole. However, I have a tendency to develop moles easily, an...


Dr. Yang Zhiya Reply:
Previous moles being benign does not guarantee that new moles are also benign; each mole should be evaluated individually. It is generally recommended to regularly monitor changes in the color, size, shape, and border integrity of moles. It is advisable to consult a dermatologist...

[Read More] Understanding Moles on the Soles: When to Seek Medical Advice


Understanding Blisters After Cryotherapy for Warts: What to Do?

Blister formation after cryotherapy for warts? I recently went to the dermatologist for cryotherapy to treat warts on my foot, but a few hours after the treatment, blisters formed. Is this normal? The dermatologist also gave me a wart treatment solution to apply once a day. Shoul...


Dr. Yang Zhiya Reply:
After cryotherapy, some individuals may experience stronger reactions and develop blisters. At this time, do not pop the blisters, and it is advisable to postpone the application of wart treatment solutions. It is recommended to wait until the blisters have absorbed and resolved ...

[Read More] Understanding Blisters After Cryotherapy for Warts: What to Do?


How to Address Your Teen's Foot Odor: When to See a Dermatologist

Childhood foot odor? Hello doctor, my child is 18 years old. Recently, I noticed that her feet have a strong odor. What should I do about it? Should I take her to a dermatologist? Thank you.


Dr. Yang Zhiya Reply:
It is important to keep the soles of your feet dry; you can change socks multiple times a day and alternate between several pairs of shoes. If these measures do not improve the situation, it may indicate a bacterial or fungal infection, and it is advisable to consult a dermatolog...

[Read More] How to Address Your Teen's Foot Odor: When to See a Dermatologist


Understanding Warts: Recurrence Risks and Shoe Hygiene After Treatment

Regarding warts? I have had warts (on the sole of my foot) for several months, and the number has remained at two without spreading. I later sought treatment, and visually, they appear to be completely healed. Is there still a possibility of recurrence or spreading? Do I need to ...


Dr. Li Yufen Reply:
Hello, thank you for your inquiry. I would like to address your question and provide the following advice: Warts are an infection caused by the human papillomavirus (HPV). The contagiousness is not very strong; typically, the virus takes advantage of minor skin injuries. If there...

[Read More] Understanding Warts: Recurrence Risks and Shoe Hygiene After Treatment


Should You See a Doctor for Peeling Skin and Painful Toenail Issues?

Peeling skin on the toes? I would like to ask about my left big toe. The toenail has been ingrown for about two weeks, and currently, there is some pus drainage. The surrounding skin is starting to peel, and there is a slight darkening compared to my right foot. The wound where t...


Dr. Yang Zhiya Reply:
Based on the symptoms described by the patient, there may be a bacterial infection. It is recommended to seek medical attention as soon as possible.

[Read More] Should You See a Doctor for Peeling Skin and Painful Toenail Issues?


Understanding Laser Hair Removal for Legs: What Areas Are Included?

Laser hair removal for the legs? I would like to ask the physician if leg hair removal in medical aesthetics includes the skin covering the upper part and surrounding area of the knee? Should this area of skin be classified as part of the thigh or the calf? (Many clinics charge s...


Dr. Wu Yuxin Reply:
The definition in your question is actually unrelated to the treatment itself. Typically, during hair removal procedures, we focus on the lower leg area; however, if you insist on treating the knee, I believe the treating physician would not be overly concerned about it.

[Read More] Understanding Laser Hair Removal for Legs: What Areas Are Included?


Managing Toenail Separation and Skin Allergies: Essential Care Tips

Nail separation and skin allergy? 1. I recently wore ill-fitting shoes for a whole day, and afterward, my big toes hurt for two to three days. Initially, I noticed some bruising and darkening, and thought it wasn't a big deal. However, my left foot has been leaking an unknow...


Dr. Guo Fengsheng Reply:
1. This likely refers to nail dystrophy causing nail separation. As long as there is no subsequent swelling or pain, it is advisable to monitor the condition until the new nail grows out completely. 2. The photo cannot be opened, but based on the description, it seems to be urtic...

[Read More] Managing Toenail Separation and Skin Allergies: Essential Care Tips


Understanding Hemangiomas and Nail Injuries: Your Questions Answered

Regarding hemangiomas? Hello, I have had a hemangioma on the sole of my left foot since childhood. Although doctors have said it is nothing to worry about, recently I have noticed that it feels more prominent compared to my other foot, particularly in the center. If I want to hav...


Dr. Guo Fengsheng Reply:
1. Hemangiomas are mostly benign; as long as there are not too many discomforts, it is optional to remove them. 2. If white spots appear on the nails and are confirmed to be caused by trauma, observation is sufficient, as they will typically disappear as the nails continue to gro...

[Read More] Understanding Hemangiomas and Nail Injuries: Your Questions Answered


Common Concerns About Moles: What You Need to Know

Regarding moles? Hello, I would like to ask a few questions about moles. Yesterday, I accidentally scratched one of my moles and it broke. Initially, there was a black spot with a white center, and the surrounding area was red and swollen. After one day, the swelling is still pre...


Dr. Huang Ruiyun Reply:
Hello: 1. It is most likely that your skin was broken by picking, leading to some inflammation. 2. If two or more dermatologists have already advised you this way, proceeding with surgery would merely be for psychological reassurance. Please note that if you are concerned about m...

[Read More] Common Concerns About Moles: What You Need to Know


Understanding and Treating Rich Man's Hand and Athlete's Foot

Gout and athlete's foot issues? Hello Dr. Huang, I have been suffering from both palmar-plantar pustulosis and athlete's foot for many years without improvement. Can these two conditions be completely cured, especially the athlete's foot which has persisted for 20 ...


Dr. Huang Ruiyun Reply:
Hello: According to regulations, online physicians can only provide medical consultations and are not allowed to prescribe medications. Sometimes, diseases cannot be completely cured and are related to individual constitution and lifestyle habits. For example, individuals who was...

[Read More] Understanding and Treating Rich Man's Hand and Athlete's Foot


Should You Cut the Skin Off a Blister from Athlete's Foot?

Should the skin of blisters caused by athlete's foot be cut off? Dear Doctor: I have a large blister at the base of my second toe on my left foot, where it connects to the sole. The doctor said it is a typical case of athlete's foot, but the blister is quite large, near...


Dr. Huang Ruiyun Reply:
Hello: The water blister has already burst, and there is no need to remove the skin. The continuous drainage is not related to whether the skin is cut or not; instead, you should see a doctor to adjust your medication (oral or topical) to control the drainage. Wishing you a smoot...

[Read More] Should You Cut the Skin Off a Blister from Athlete's Foot?


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