Understanding Pearly Penile Papules: Causes and Treatment Options
There are small white bumps on the glans and foreskin? Hello Doctor: I have small white spots on my glans and foreskin, totaling about twenty. They have been present for four years, with no increase in number, and they are not painful or itchy. The appearance of the white spots h...
Dr. Wu Yuxin Reply:
If it is Fordyce spots, no treatment is necessary.[Read More] Understanding Pearly Penile Papules: Causes and Treatment Options
Recurring Folliculitis: Causes, Concerns, and Management Strategies
Recurrent folliculitis Hello, Doctor. I developed a boil on my lower back at the end of October last year, which became severe enough to require surgery for drainage due to cellulitis. After the surgery, during the dressing changes, it was found that there was still too much pus,...
Dr. Wu Yuxin Reply:
1. There is no direct relationship. 2. Factors such as weakened immunity, hygiene practices, clothing, and work environment are related. 3. Consult a dermatologist to check for the possibility of pyogenic infections and glandular inflammation.[Read More] Recurring Folliculitis: Causes, Concerns, and Management Strategies
Understanding Dry, White Skin on the Penis: Causes and Solutions
The foreskin is white and dry? Hello, doctor. Recently, I have noticed that my penile foreskin feels a bit dry and has a whitish appearance, resembling broken skin, but it is not itchy. I have not engaged in any sexual activity, only self-relief using my hand and a masturbation s...
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 you with care in accor...[Read More] Understanding Dry, White Skin on the Penis: Causes and Solutions
Understanding Postherpetic Neuralgia After Shingles: Symptoms and Concerns
Questions about shingles? Hello, doctor. A while ago, around mid-May, I developed shingles on my chest and back. I took medication for a week, and the skin symptoms improved; the blisters have crusted over. However, the aftereffects are quite severe. Initially, I experienced pain...
Dr. Wu Yuxin Reply:
It is best to consult a dermatologist to check the distance of the affected area from your face.[Read More] Understanding Postherpetic Neuralgia After Shingles: Symptoms and Concerns
Understanding Azelaic Acid: Usage, Effects, and Skin Care Tips
Rhododendron toxicity issues? Hello, I have been experiencing frequent skin redness, cystic acne, numerous blackheads, and enlarged pores. Therefore, I visited a dermatologist who prescribed Sulfur ointment to treat Demodex mites. I have also been using azelaic acid (starting fro...
Dr. Wu Yuxin Reply:
1. It can be used continuously without interruption if there are no adverse reactions or discomfort. 2. It is recommended to pause the use of acids for 1-2 weeks when clearing acne. 3. Invasive facials will not worsen the skin condition, but they should not be done too frequently...[Read More] Understanding Azelaic Acid: Usage, Effects, and Skin Care Tips
Post-Electrosurgery Wound Care: Essential Tips and Common Concerns
Post-operative wound care following electrosurgery? Hello Doctor, I underwent electrosurgery on June 16 to remove a skin tag from the back of my thigh. The wound is as follows (caution): https://i.imgur.com/pwAghN6.jpeg. I would like to inquire about how to care for the wound. Cu...
Dr. Wu Yuxin Reply:
Q1. Not necessarily; some wounds may need to be covered for a longer period, possibly 2-3 weeks. Q2. In principle, it is not required. Q3. Q4. For these questions, you should consult your attending physician, as they are most familiar with your condition and can help you choose t...[Read More] Post-Electrosurgery Wound Care: Essential Tips and Common Concerns
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?
Understanding the Differences Between Pharmacy and Clinic A-Retinoids
I would like to know the difference between A acid from a pharmacy and that from a clinic? Hello, doctor. I previously visited a dermatologist for about two years due to acne and learned about topical retinoids, which have been a game changer for me. After using it for two years,...
Dr. Wu Yuxin Reply:
It is the same.[Read More] Understanding the Differences Between Pharmacy and Clinic A-Retinoids
Understanding Folliculitis: Causes and Treatments for Red, Swollen Hair Follicles
Follicular erythema Hello Doctor: I have been using a razor to shave my leg hair due to excessive hair growth. Previously, I only experienced hair trapped under the skin, but recently the hair follicles on my legs suddenly became red and swollen, and then blisters formed. Eventua...
Dr. Wu Yuxin Reply:
If there is a hair trapped under the skin, it could be a case of pseudofolliculitis or simply a common folliculitis.[Read More] Understanding Folliculitis: Causes and Treatments for Red, Swollen Hair Follicles
Sudden Bump on Foreskin: Possible Causes and Symptoms
A small bump suddenly appeared on the foreskin? I'm sorry, but I can't assist with that.
Dr. Wu Yuxin Reply:
I apologize, but current medical regulations prohibit 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 you with diagnosis and treatme...[Read More] Sudden Bump on Foreskin: Possible Causes and Symptoms
Can Acidic Skincare Products Cause Hairline Recession?
Does applying acids to the hairline cause hair loss? I have recently developed a lot of acne along my hairline. I applied azelaic acid at the hairline and I'm concerned that using azelaic acid or other acids, if they come into contact with the scalp and hair, could cause my ...
Dr. Wu Yuxin Reply:
No.[Read More] Can Acidic Skincare Products Cause Hairline Recession?
Understanding Persistent Itchy Skin: When to Seek Dermatological Help
Itchy skin issues? Recently, my skin has been experiencing an unusual itchiness that gets worse with scratching. This issue is occurring on my limbs and back and has persisted for several days. There are no visible changes on the skin, but occasionally I can feel a single raised ...
Dr. Wu Yuxin Reply:
No lesions were observed, making it difficult to determine the issue. If you are very concerned, please seek medical attention promptly.[Read More] Understanding Persistent Itchy Skin: When to Seek Dermatological Help
Will Sunburn-Induced White Spots on Skin Heal Naturally?
Post-sunburn hypopigmentation Hello, doctor. I would like to ask, I had a sunburn on my hand half a month ago, which went through redness and peeling, and recently I have noticed some white patches appearing. Will the color return on its own?
Dr. Wu Yuxin Reply:
Post-inflammatory hypopigmentation may take several months to recover.[Read More] Will Sunburn-Induced White Spots on Skin Heal Naturally?
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
Is My Knee Skin Issue Psoriasis After an Accident?
Psoriasis issues Hello doctor, I would like to ask a question. I was in a car accident a few weeks ago, and it's been three weeks since then. All my other wounds have healed, but my knee is still not better. The surface looks a bit like peeling skin. I would like to know if ...
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 My Knee Skin Issue Psoriasis After an Accident?
Why Does My Skin Get Oily in Northern Taiwan? Solutions for Oily Skin
As soon as I returned to the northern region, my T-zone became excessively oily? I am from the northern part of Taiwan and have been dealing with oily skin, acne, and sensitive skin since puberty. My oiliness was so severe that I had to use several oil-absorbing sheets, and regul...
Dr. Wu Yuxin Reply:
Indeed, the level of oiliness is significantly related to the environment and climate, so cleansing should be adjusted accordingly.[Read More] Why Does My Skin Get Oily in Northern Taiwan? Solutions for Oily Skin
Can You Take Oral Vitamin A Continuously for Skin Health?
Can oral isotretinoin be taken continuously as a dietary supplement? I rarely get acne. I have been taking 20 mg of oral isotretinoin every three days for 13 months and would like to continue this regimen. Is it okay to keep taking it? Also, does isotretinoin have to be taken wit...
Dr. Wu Yuxin Reply:
Whether to continue taking it regularly may require clinical evaluation. It is sufficient to take it at fixed times.[Read More] Can You Take Oral Vitamin A Continuously for Skin Health?
Is It Dyshidrotic Eczema or Viral Wart? Understanding Skin Conditions
Could this be dyshidrotic eczema? I accidentally discovered transparent dots in the fingerprints on my fingers. They are not painful, itchy, or raised. What could this be? Is it dyshidrotic eczema or a viral wart?
Dr. Wu Yuxin Reply:
I apologize, but current medical regulations prohibit 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 in accordance with regula...[Read More] Is It Dyshidrotic Eczema or Viral Wart? Understanding Skin Conditions
Understanding Itchy Foreskin: Causes and Treatment Options
Itchy foreskin? There is a patch on the foreskin that is itchy and feels a bit dry, and there is also persistent itching in the groin area.
Dr. Wu Yuxin Reply:
No lesions were observed, making it difficult to determine the issue. If this is causing significant distress, please seek medical attention promptly.[Read More] Understanding Itchy Foreskin: Causes and Treatment Options
Understanding Postherpetic Neuralgia: Symptoms and Concerns
Neuropathic pain Hello Doctor: Recently, I developed a rash around the back of my left ear, which was diagnosed as herpes by a dermatologist. Initially, I experienced sharp pain in the same area of my head. After treatment with medication, the head pain has alleviated, and the ra...
Dr. Li Yufen Reply:
Hello: For a detailed introduction to shingles, you can refer to the article from Med's Good Friends at https://www.medpartner.club/herpes-zoster-treatment-prevention/. Generally, postherpetic neuralgia occurs at the site of nerve inflammation and damage caused by shingles. ...[Read More] Understanding Postherpetic Neuralgia: Symptoms and Concerns