Understanding Black Spots on Toenails: Is It Melanoma?
Small black spots on the nails? I'm not a doctor, but if you noticed a red spot on the upper left corner of your big toe that has since turned into a small black dot, it is important to have it evaluated by a healthcare professional. While it could be a benign condition, cha...
Dr. Wu Yuxin Reply:
Medical regulations stipulate that "physicians must personally examine patients before administering treatment or prescribing medications," and therefore, online diagnosis is also not permissible.[Read More] Understanding Black Spots on Toenails: Is It Melanoma?
Persistent Scalp Acne: Causes, Treatments, and Solutions
Acne on the scalp? Since around February of last year, I have been experiencing frequent breakouts on my scalp. During severe episodes, my scalp becomes red, swollen, and pus-filled. After consulting with doctors and taking medication, the condition keeps recurring, and it has be...
Dr. Wu Yuxin Reply:
Please seek medical attention as soon as possible. An examination is necessary to determine the issue and to be able to address it properly.[Read More] Persistent Scalp Acne: Causes, Treatments, and Solutions
Effective Acne Treatment: Post-Roaccutane Care and Solutions
Acne issues Hello, doctor. I have a few questions regarding my treatment. I have completed an 11-month course of oral isotretinoin (Roaccutane). 1. I currently have a lot of comedones on my nose. Can I use topical isotretinoin (such as Tretinoin) to improve this condition? 2. A...
Dr. Wu Yuxin Reply:
1. Yes. 2. We need to examine it first to understand the issue before we can address it and help you choose the appropriate medication. 3. Intense Pulsed Light (IPL). 4. There is no standard answer to this question; it depends on the characteristics of the atrophic scars.[Read More] Effective Acne Treatment: Post-Roaccutane Care and Solutions
Understanding and Treating Hormonal Face: A Guide for Patients
Treatment for steroid-induced skin changes? For nearly six months, I have been experiencing facial sensitivity, redness, flaking, dryness, itching, and sensitivity to temperature. Additionally, when I talk or smile, my face feels tight, and lines appear on my chin and both sides....
Dr. Wu Yuxin Reply:
I'm not sure what "hormonal face" refers to, so I cannot answer your question.[Read More] Understanding and Treating Hormonal Face: A Guide for Patients
Understanding Nail Issues: Causes of Shortening and Skin Dryness
Nail issues The nails have been getting shorter over the past year or two. Initially, the skin on the sides of the nails started to become dry, peel, and shrink, and the nails have continued to shorten, as shown in the image. Could you please explain the possible causes?
Dr. Wu Yuxin Reply:
Medical regulations stipulate that "a physician shall not administer treatment or prescribe medication without personally examining the patient," and therefore, online diagnosis is also not permissible.[Read More] Understanding Nail Issues: Causes of Shortening and Skin Dryness
Understanding Polyarteritis Nodosa: Symptoms, Treatment, and Future Care
Diagnosed with polyarteritis nodosa? Hello Dr. Wu, I discovered multiple red spots on my calf around the end of 2016. Some of them are slightly raised and cause mild pain. After resting on weekends, the symptoms seem less pronounced, but they become more noticeable after a tiring...
Dr. Wu Yuxin Reply:
I have not seen the lesion in person and am not familiar with your condition, so you should consult your attending physician regarding this matter. After all, they are the ones who are most aware of your medical situation and can help you choose the appropriate medication.[Read More] Understanding Polyarteritis Nodosa: Symptoms, Treatment, and Future Care
Can Dermatologists Treat Colds? Understanding Your Concerns
Consultation issues Hello, doctor. Can a dermatologist also treat a cold? Here’s the situation: a couple of days ago, I was feeling unwell due to a cold and went to see a doctor. The clinic has both dermatology and ENT (ear, nose, and throat) services, but the consultation rooms ...
Dr. Wu Yuxin Reply:
All physicians, including dermatologists, are capable of treating colds, so you can rest assured.[Read More] Can Dermatologists Treat Colds? Understanding Your Concerns
Understanding Scalp Folliculitis Treatment: Proper Use of Medications
Medication issues for scalp folliculitis? Hello doctor, today I went to see a dermatologist for scalp folliculitis. The doctor prescribed Polymyxin B sulfate and trimethoprim ointment, a medicated shampoo, and an oral antibiotic. I checked online and found that the ointment is an...
Dr. Wu Yuxin Reply:
You should consult your attending physician about this issue, as they are the most familiar with your condition.[Read More] Understanding Scalp Folliculitis Treatment: Proper Use of Medications
Understanding Post-CO2 Laser Treatment for Viral Warts: Common Concerns
Recently underwent carbon dioxide laser surgery for viral warts? Hello, my brother has developed several viral warts on the soles of his feet (including between the toes and under the toenails) and on the tops of his feet. The number is quite significant, and it has extended to t...
Dr. Wu Yuxin Reply:
You should consult your attending physician about this issue, as they are the most familiar with your condition.[Read More] Understanding Post-CO2 Laser Treatment for Viral Warts: Common Concerns
Understanding Acne: Causes, Treatment, and When to See a Dermatologist
Skin issues? Hello Doctor, I have a few questions. If a girl starts to develop acne, does this mean that changes may occur before the onset of puberty, leading to the development of acne? Will it become more severe and widespread after the age of 30, especially if she originally ...
Dr. Li Yufen Reply:
Hello: Regarding the causes, prevention, and treatment of acne, you can refer to a series of articles on the Dermatologist Health Network at http://www.drskincare.com.tw/Qa/index.aspx?CID=4&pg=1. It is advised not to squeeze or irritate inflamed pimples, as this can lead to s...[Read More] Understanding Acne: Causes, Treatment, and When to See a Dermatologist
Why Do Hives Flare Up Every Evening? Understanding Nighttime Allergies
It occurs at night? Hello, doctor. Last week, I visited a clinic due to a cold, and the doctor prescribed medication for three days. By the third day, my cold was mostly resolved, but I started experiencing symptoms of urticaria (hives). On that day, I had eaten eggs, and I had a...
Dr. Li Yufen Reply:
Hello: Regarding the introduction to urticaria, you can refer to Dr. Cheng Shih-Tzung's article at http://www.kmuh.org.tw/www/kmcj/data/8705/3595.htm. The onset occurring at night may be due to re-exposure to allergens or the expiration of medication effectiveness, among oth...[Read More] Why Do Hives Flare Up Every Evening? Understanding Nighttime Allergies
Understanding Persistent Itching: Causes and Treatment Options
Generalized pruritus (itching of the skin)? Hello, doctor. I've been experiencing persistent itching on my skin lately, which has been quite bothersome. Let me describe my situation: my body itches intermittently, but when I scratch it, the itching seems to subside. The affe...
Dr. Li Yufen Reply:
Hello: Based on your description, it seems that the diagnoses from the two physicians are somewhat different. Simply relying on the textual description does not allow for a definitive diagnosis of the skin condition. If further examination is needed, it would be advisable to cons...[Read More] Understanding Persistent Itching: Causes and Treatment Options
Understanding and Treating Boils Under the Breast: Causes and Care
There are pustules under the breast? Hello, I have developed a pustule on the edge of my bra under my breast, which is dark blue in color. While showering, the pustule burst and bled significantly. After drying it, I noticed a hole in the skin of my breast, surrounded by bruising...
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 as soon as possible. A proper examination is necessary to identify the problem and determine the appropriate treatment.[Read More] Understanding and Treating Boils Under the Breast: Causes and Care
Understanding Cryotherapy for Scar Treatment: What to Expect
Cryotherapy Dr. Wu: Hello, I have a scar on my chest caused by an injury, and there is some hard tissue beneath the scar that underwent cryotherapy. I have a few questions: 1. After the treatment, the doctor told me that she didn't spray much, so there wouldn't be any b...
Dr. Wu Yuxin Reply:
You should consult your attending physician about this issue. Without actually seeing the lesion, it is impossible to determine the problem. If it is causing you significant distress, please seek medical attention as soon as possible. Only after an examination can the issue be id...[Read More] Understanding Cryotherapy for Scar Treatment: What to Expect
Managing Adverse Reactions from Wart Treatment: What You Need to Know
Adverse reactions to wart treatment? Doctor, I have been using a wart treatment solution, but I accidentally applied it to the surrounding healthy skin. It hurt for a few seconds and then stopped, but later I noticed a slight redness in the skin. According to the medication instr...
Dr. Wu Yuxin Reply:
You should consult your attending physician about this issue, as they are the most familiar with your condition.[Read More] Managing Adverse Reactions from Wart Treatment: What You Need to Know
Understanding Cellulitis: Causes, Symptoms, and Treatment Options
Cellulitis On the morning of April 28, my mother experienced redness and swelling in her right foot. By the evening, when she visited an orthopedic specialist, it had progressed to swelling and pain. The doctor suggested that it might be cellulitis caused by an insect bite, but s...
Dr. Wu Yuxin Reply:
Without actually seeing the lesion, it is impossible to determine the issue. If it is causing significant concern, please seek medical attention as soon as possible. A proper examination is necessary to understand the problem and to determine the appropriate course of action.[Read More] Understanding Cellulitis: Causes, Symptoms, and Treatment Options
Understanding A Acid: Will Short-Term Use Cause Skin Flare-Ups?
The use of retinoic acid? Hello doctor, I recently used an acne cream containing retinoic acid, but I found it too irritating and decided to stop after using it twice. Since continuous use of retinoic acid can lead to a period of worsening, will I still experience this worsening ...
Dr. Wu Yuxin Reply:
Using the medication only twice and then stopping should not result in any adverse reactions.[Read More] Understanding A Acid: Will Short-Term Use Cause Skin Flare-Ups?
Understanding Shoulder Skin Changes: What Does a Dark Spot and Depression Mean?
The shoulder has a darkened area with a noticeable indentation when touched? Hello, doctor. I previously had a lump on my shoulder and went to the hospital for a consultation. The doctor prescribed Augmentin for inflammation and mentioned that if the lump disappeared after finish...
Dr. Wu Yuxin Reply:
Without actually seeing the lesion, it is impossible to make a definitive diagnosis. If it is causing significant distress, please seek medical attention as soon as possible.[Read More] Understanding Shoulder Skin Changes: What Does a Dark Spot and Depression Mean?
Are Anal Growths Warts? Understanding Anal Skin Tags vs. Condyloma
Is anal granulation tissue the same as cauliflower (condyloma acuminatum)? In the past couple of days, while showering, I noticed small growths around the anus that are not painful or itchy. I took a photo with my phone, which can be viewed here: http://ppt.cc/uB6nH. Could this b...
Dr. Wu Yuxin Reply:
Medical regulations state that "physicians may not administer treatment or prescribe medications without personally examining the patient," and therefore, online diagnosis is also not permitted.[Read More] Are Anal Growths Warts? Understanding Anal Skin Tags vs. Condyloma
Persistent Fungal Infection: Why Two Months of Treatment Isn't Enough
Fungal infection of the buttocks has not healed after applying medication for two months? Hello Doctor, since the beginning of winter last year (December 2016), I have been experiencing itching in the genital area. Starting from February 2017, I also developed itching and pain ar...
Dr. Wu Yuxin Reply:
1. 3-4 weeks 2. There are also oral antifungal medications.[Read More] Persistent Fungal Infection: Why Two Months of Treatment Isn't Enough