Can a Year-Old Cat Scratch Mark on Hand Disappear? Expert Insights
A mild cat scratch on the back of the hand that hasn't disappeared for a year and a half—can it still be removed? I sustained a scratch on the back of my hand from a wild cat about a year and a half ago. Recently, I noticed that there is still a light brown scratch mark, whi...
Dr. Wu Yuxin Reply:
Online consultations cannot provide a diagnosis. If you are concerned about your skin condition, online consultations may not resolve the issue. It is recommended to follow the advice of the physician who is examining you and have the hospital's doctor conduct another examin...[Read More] Can a Year-Old Cat Scratch Mark on Hand Disappear? Expert Insights
Should You Remove a Benign Raised Mole on Your Buttocks? Expert Advice
Inquiry Consultation Dear Dr. Wu, Hello. I have a slightly raised black mole on the outer side of my left buttock, approximately 0.2 to 0.3 centimeters in size. It has been present for a long time without any changes, and I believe it to be a benign mole. I would like to ask you...
Dr. Wu Yuxin Reply:
It is recommended to continue monitoring.[Read More] Should You Remove a Benign Raised Mole on Your Buttocks? Expert Advice
Understanding Cherry Angiomas: Risks and Treatment Options Explained
Regarding cherry angiomas (red moles)? Dear Dr. Wu, Hello. After turning 40, I have noticed several red spots (cherry angiomas) on my body. I would like to ask you the following questions: Q1. I have a cherry angioma located on my left flank, which is often covered by the waist...
Dr. Wu Yuxin Reply:
It does not undergo pathological changes, and it will not disappear after being punctured; it requires laser treatment or surgery for removal.[Read More] Understanding Cherry Angiomas: Risks and Treatment Options Explained
Understanding Vascular Keratosis: Should You Drain It Yourself?
Vascular keratosis Dear Dr. Wu, Thank you very much for your response and explanation regarding the vascular keratosis in article #197808. I have understood Q1 and Q2, but I would like to further inquire about Q3. In my question, I asked whether you would recommend self-puncturi...
Dr. Wu Yuxin Reply:
That's right, piercing the epidermis to release blood does occur, but most of the vascular tissue remains intact, which can lead to recurrence.[Read More] Understanding Vascular Keratosis: Should You Drain It Yourself?
Optimal Timing Between Caffeine Hair Tonic and Minoxidil 5% Use
The interval time between using caffeine hair growth lotion and Minoxidil 5% solution? Hello Doctor, I would like to ask how long I should wait between using a commercially available caffeine hair care product and Minoxidil 5% solution. Currently, I apply the caffeine hair produc...
Dr. Wu Yuxin Reply:
There is enough time.[Read More] Optimal Timing Between Caffeine Hair Tonic and Minoxidil 5% Use
Understanding Facial Telangiectasia: Treatment Options and Costs
I have concerns about facial telangiectasia? Hello, doctor. A few days ago, I inquired about the issue of facial telangiectasia, and the doctor mentioned that topical treatments are not very effective and recommended intense pulsed light (IPL) or dye laser treatments. I would lik...
Dr. Wu Yuxin Reply:
The pain level of color pulse light treatment is relatively low, and generally does not require anesthesia, whereas dye lasers do require anesthesia. The cost of treatment varies depending on the pricing standards of different medical institutions, and there may be some differenc...[Read More] Understanding Facial Telangiectasia: Treatment Options and Costs
Consulting a Dermatologist: Treatment Options for Flat Warts
Medication consultation Dear Dr. Wu, Hello. I have a flat, elongated, light gray growth on my left shoulder, measuring approximately 0.4 x 0.1 cm. Initially, I thought it was dirt that I couldn't wash off, so I rubbed it vigorously. However, I realized it wouldn't come...
Dr. Wu Yuxin Reply:
Based on your description of the situation, there isn't enough effective information for me to make a judgment. I recommend that you stop taking the medication and consult a nearby dermatologist for a proper diagnosis before receiving any further treatment.[Read More] Consulting a Dermatologist: Treatment Options for Flat Warts
Effective Treatments for Facial Telangiectasia: Creams and Laser Options
I have concerns about facial telangiectasia? Hello, doctor. I have a concern. In the past, I mistakenly used a whitening skincare product meant for foreigners that a friend gave me, and now I have developed a problem with facial telangiectasia. I have heard that laser treatment m...
Dr. Wu Yuxin Reply:
The treatment effect of vasodilator ointment is not satisfactory; laser therapy such as pulsed dye laser or intense pulsed light is still needed.[Read More] Effective Treatments for Facial Telangiectasia: Creams and Laser Options
Understanding Moles on Mucous Membranes: When to Seek Medical Advice
Mole on the mucous membrane of the genital area? Hello, doctor. Yesterday, I accidentally discovered a small mole on the mucosal area of my labia minora. The surface is flat and it measures about 0.1 to 0.2 centimeters. I'm not sure if it was there before. I would like to as...
Dr. Wu Yuxin Reply:
Obstetrics and gynecology can send samples for laboratory testing.[Read More] Understanding Moles on Mucous Membranes: When to Seek Medical Advice
Preventing Athlete's Foot: Tips to Avoid Fungal Infections at Home
Athlete's foot issue? I have had athlete's foot for several years. Previously, using topical medications and soaking in antifungal powder helped, but it didn't last long before it returned. Today, when I woke up from sleeping on the sofa, I found my feet buried in ...
Dr. Wu Yuxin Reply:
Mold spores are everywhere, and the key factors are the cleanliness of the skin and whether it is kept dry.[Read More] Preventing Athlete's Foot: Tips to Avoid Fungal Infections at Home
Understanding Painful Ear Lobe Pimples: Causes and Treatments
Earlobe acne A pimple suddenly appeared behind my earlobe, and it is somewhat swollen and painful to the touch. I applied the acne cream I usually use on my face, but after a week, it still hasn't gone away. What could be the issue? I'm planning to see a dermatologist, ...
Dr. Wu Yuxin Reply:
Since we need to seek medical attention, speculating here is pointless. Let's go for the appointment with peace of mind.[Read More] Understanding Painful Ear Lobe Pimples: Causes and Treatments
Understanding Vascular Keratosis: Causes, Treatment, and Management Options
Vascular keratosis Dear Dr. Wu, I previously inquired about "angiokeratomas." At that time, I discovered one angiokeratoma on my right scrotum. Today (June 23), upon re-examining the area, I found two smaller angiokeratomas that are similar in appearance, characterized...
Dr. Wu Yuxin Reply:
The increase in vascular keratosis on the scrotum is normal and does not require special treatment; puncturing it does not provide significant benefit.[Read More] Understanding Vascular Keratosis: Causes, Treatment, and Management Options
Managing Skin Conditions: Concerns with Phenol and Genital Warts
Conditions associated with the use of phenylephrine? Hello Doctor, I discovered some rash-like bumps on my genitals in February. I visited both a clinic and a hospital, and the doctors visually assessed that it didn't look like genital warts (since they were too small for th...
Dr. Li Yufen Reply:
Hello: For a detailed introduction to Phenylephrine, you can refer to Dr. Lin Cheng-Hsien's article at https://www.dr-skin.com.tw/health/view/63. If your skin condition does not improve or worsens, it is recommended to consult a nearby dermatologist for diagnosis and treatme...[Read More] Managing Skin Conditions: Concerns with Phenol and Genital Warts
How to Treat Nail Separation After Injury: Expert Dermatologist Advice
Nail separation from the nail bed? Hello doctor, after I fell off my bike, I noticed that my toenail on my big toe is slightly detached. The root is still connected, but the nail is hollow inside. I have seen a doctor who said that the nail does not need to be removed yet. Howeve...
Dr. Li Yufen Reply:
Hello: After a nail injury, the nail bed may separate, and it can take several months for a new nail to grow back. If the separation is quite noticeable, you can lightly secure it with breathable tape to prevent further injury. If the skin condition does not improve or worsens, i...[Read More] How to Treat Nail Separation After Injury: Expert Dermatologist Advice
Can Hair Growth Products Help Restore Hair After Trichotillomania?
Hair regrowth after trichotillomania improvement? I previously experienced trichotillomania due to academic pressure, but now that the stress has decreased, it has improved significantly. I still occasionally pull my hair, but there are noticeable bald spots along my hairline and...
Dr. Wu Yuxin Reply:
If it is trichotillomania, as long as you stop pulling, it will return to normal. However, hair loss near the hairline and bangs should be evaluated by a physician, as it may not be the same issue.[Read More] Can Hair Growth Products Help Restore Hair After Trichotillomania?
How to Manage Skin Discoloration from Lychee Stink Bug Exposure
Sprayed by a lychee stink bug on the finger? If you were sprayed by a lychee stink bug and your finger only changed color without any pain or itching, it is likely a temporary discoloration. To remove the color, you can try the following methods: 1. **Soap and Water**: Wash the ...
Dr. Wu Yuxin Reply:
It will recover after a period of time.[Read More] How to Manage Skin Discoloration from Lychee Stink Bug Exposure
Understanding Dark Spots on the Areola: Causes and Treatments
Areola hyperpigmentation Dear Dr. Wu, I previously consulted you regarding some concerns I have. I have 2 to 3 dark spots on my left areola, each approximately 0.3 cm or smaller, oval in shape, and generally brownish-black in color. They are slightly raised above the surface of ...
Dr. Wu Yuxin Reply:
Seborrheic keratosis can indeed occur on the areola, but the likelihood of lesions developing due to friction is quite low, so there is no need for excessive concern. If there is worry about the lesions, surgical removal is recommended, as both laser and cryotherapy may leave res...[Read More] Understanding Dark Spots on the Areola: Causes and Treatments
How to Treat Acne Caused by Methamphetamine Use?
How to treat acne caused by methamphetamine use? I used to use amphetamines, and during that time, I developed a lot of acne. Now that I've stopped using them, I still have persistent acne. What should I do to treat it? 🥲
Dr. Wu Yuxin Reply:
Consult a dermatologist for acne treatment.[Read More] How to Treat Acne Caused by Methamphetamine Use?
Understanding Chickenpox and Shingles Vaccines: Your Concerns Addressed
Chickenpox and shingles, vaccine issues? Hello Dr. Wu, I have never had chickenpox, but I am concerned that the chickenpox vaccine might allow the virus to remain in my body, potentially leading to shingles in the future (although the symptoms may not be severe). Therefore, I wou...
Dr. Wu Yuxin Reply:
The mechanism by which vaccines generate immunity is quite complex and not as simple as you might think. If you are of the appropriate age, you can certainly receive the shingles vaccine. It is recommended for individuals aged 50 and older because the likelihood of developing shi...[Read More] Understanding Chickenpox and Shingles Vaccines: Your Concerns Addressed
Is Your Mole Removal Incomplete? Understanding Skin Care Concerns
The mole was not completely removed? Hello, doctor. Yesterday, I went to a large hospital's dermatology department to have a mole removed from my back. The resident physician asked if it was the mole on my back before the procedure. However, during the dressing change in the...
Dr. Wu Yuxin Reply:
Laser mole removal? Laser mole removal may not always completely eliminate the mole; often, it can only improve its appearance.[Read More] Is Your Mole Removal Incomplete? Understanding Skin Care Concerns