Persistent Mosquito Bites: When to Seek Dermatological Help
Insect bites On May 6th, I was bitten by an unknown insect, resulting in two small swollen bumps on my wrist, which had small blisters on top. I scratched the blisters, causing them to break. Now, almost a week later, the bumps have become hard and have not shrunk or faded; they ...
Dr. Wu Yuxin Reply:
Usually not.[Read More] Persistent Mosquito Bites: When to Seek Dermatological Help
Understanding Neck Acne Scars: Causes and Treatment Options
Acne scars on the neck? About a month ago, I developed a bump on my neck that I think is a pimple (it feels painful and is red, but I'm not sure if it's actually acne since it's on my neck). At that time, I applied some acne medication, but the bump didn't bec...
Dr. Wu Yuxin Reply:
It could be a scar from acne, or there might already be a cyst present. It's important to have a physician examine it in person for confirmation.[Read More] Understanding Neck Acne Scars: Causes and Treatment Options
Understanding Oral Medications for Toenail Fungus Treatment
Oral medication for onychomycosis? Hello! I have a fungal infection on my right big toe. During my first visit to the hospital, after a blood test, the doctor prescribed an oral medication and instructed me to return in two weeks for another blood test. However, when I got home, ...
Dr. Wu Yuxin Reply:
I'm not sure what the issue is with your prescription. There are also pharmacists on duty at the pharmacy during the holidays, so you can call and ask them.[Read More] Understanding Oral Medications for Toenail Fungus Treatment
Understanding Bumps on Skin Near the Neck and Collarbone
The skin near the neck and clavicle appears to have a bumpy texture? Hello, I have noticed that the skin near my neck and collarbone appears to have small bumps, as shown in the image (https://drive.google.com/file/d/1F1P_ivs3orxy3sFvG_rCb7qFhCry11XM/view?usp=sharing). What could...
Dr. Wu Yuxin Reply:
It is not possible to make a diagnosis online; it is recommended to visit a nearby dermatologist for an examination.[Read More] Understanding Bumps on Skin Near the Neck and Collarbone
Understanding Vascular Keratosis: Causes and Treatment Insights for Scrotal Lesions
Follow-up question #196074 Inquiry Consultation Dear Dr. Wu, Thank you very much for your response and suggestions regarding my inquiry in "<a href='https://adoctor.tw/article/196074'>#196074</a>." I generally understand your points. I would like ...
Dr. Wu Yuxin Reply:
Q1 Most vascular keratoacanthomas still persist. Q2 There is no specific reason for that.[Read More] Understanding Vascular Keratosis: Causes and Treatment Insights for Scrotal Lesions
Effective Treatments for Desquamative Keratolysis: Over-the-Counter Options
Desquamative keratolysis What medications can be used to improve desquamative keratolysis, and are there any topical ointments available for purchase at the pharmacy?
Dr. Wu Yuxin Reply:
If there are no specific symptoms, using hand cream is sufficient. However, for ointments, a consultation is necessary before a prescription can be provided.[Read More] Effective Treatments for Desquamative Keratolysis: Over-the-Counter Options
Understanding Topical A Acid: Duration, Safety, and Usage for Skin Care
Topical retinoid issues Hello, I have developed many small pimples on my forehead since the beginning of this year. After treatment with topical retinoids from a dermatologist, there has been significant improvement. I would like to ask: 1. How long can topical retinoids be used?...
Dr. Wu Yuxin Reply:
It can be used continuously. If pregnant, the currently prescribed tretinoin creams are third-generation, which have minimal impact on the fetus.[Read More] Understanding Topical A Acid: Duration, Safety, and Usage for Skin Care
Understanding Hair Thinning in Teenagers: Causes and Solutions
Thinning hair on the crown in a third-year junior high school student? Currently, a ninth-grade student has slightly thinning hair on the top of their head. It's not as severe as elderly baldness, but it is noticeably sparse. Classmates often comment that I am balding. I sus...
Dr. Wu Yuxin Reply:
Is there hope? It depends on the examination; if necessary, a check-up is recommended. It is advised to seek medical attention as soon as possible.[Read More] Understanding Hair Thinning in Teenagers: Causes and Solutions
Understanding Itchy Scalp and Body: When to See a Dermatologist
Itching issues in areas with hair? Hello, doctor. My scalp is extremely itchy most of the time. I have tried various anti-dandruff, balancing, and gentle shampoos and scalp products, but the itchiness persists. It becomes particularly itchy after washing my hair, but I feel itchy...
Dr. Wu Yuxin Reply:
Yes, see a dermatologist.[Read More] Understanding Itchy Scalp and Body: When to See a Dermatologist
Understanding Moles in the Genital Area: Risks and Removal Options
Mole in the genital area? I accidentally discovered a mole near my labia, approximately 0.3mm in size (flat mole). Is it normal to have a mole in the genital area? Is there a higher risk of it becoming cancerous? Would you recommend removing it? Generally, is it removed by laser ...
Dr. Wu Yuxin Reply:
The probability of cancer transformation is not particularly high; if there is concern about potential changes, surgical removal or close monitoring is sufficient.[Read More] Understanding Moles in the Genital Area: Risks and Removal Options
Understanding Cryotherapy: Is Your Treatment Too Aggressive?
Cryotherapy issues? A few days ago, I went to the doctor for cryotherapy for a viral wart. This time, the doctor sprayed liquid nitrogen continuously for about 30 seconds without any breaks. In previous treatments, the doctor would spray, then take a break before spraying again. ...
Dr. Wu Yuxin Reply:
The technique used was different, but there was no excessive force applied.[Read More] Understanding Cryotherapy: Is Your Treatment Too Aggressive?
Managing Recurrent Suppurative Hidradenitis: Treatment Options and Advice
Suppurative hidradenitis Hello, doctor. I have been struggling with suppurative hidradenitis for a long time. Over ten months ago, I visited a clinic where the doctor drained the pus. However, it has recently recurred, and there is a lump (in the same condition and location). I h...
Dr. Wu Yuxin Reply:
If it is the same question, it is generally acceptable.[Read More] Managing Recurrent Suppurative Hidradenitis: Treatment Options and Advice
Understanding Nail Correction Devices: Can Nail Technicians Use Them?
Orthodontic retainer I saw an introduction at a nail salon stating that they can help clients install nail correction devices. I would like to ask, aren't nail correction devices considered medical devices? Can regular nail technicians install them on their own? Or are there...
Dr. Li Yufen Reply:
Hello: For a detailed introduction to ingrown nails, frozen nails, and paronychia, you can refer to the article on Care Online at https://www.careonline.com.tw/2017/08/pincer-nail.html. Medical devices are classified by levels, and it is recommended to consult a nearby dermatolog...[Read More] Understanding Nail Correction Devices: Can Nail Technicians Use Them?
Seeking a Second Opinion on Persistent Toenail Fungus Treatment Options
I would like to seek a second opinion from a physician? Hello Doctor, I have been struggling with toenail fungus, which keeps recurring. Even after finishing the oral medication, there are still some remnants of the infection, so my health insurance will no longer cover the oral...
Dr. Li Yufen Reply:
Hello: Based solely on the textual description, it is not possible to accurately diagnose skin diseases. The standard treatment regimen for oral antifungal medication for onychomycosis (fungal nail infection) is continuous oral administration for three months, with no further ora...[Read More] Seeking a Second Opinion on Persistent Toenail Fungus Treatment Options
Understanding Facial Swelling: Allergies or Acne Complications?
Swelling of the nose and cheeks? Hello, doctor. My nose tip is swollen (it doesn't hurt but feels hard to the touch), and the sides of my nose are also swollen (it doesn't hurt but feels like there's a pimple under the skin). Additionally, my cheeks look swollen fr...
Dr. Li Yufen Reply:
Hello: Based solely on the textual description, it is not possible to accurately diagnose skin diseases. Allergies affecting the nose can potentially cause puffiness under the eyes and dark circles, as symptoms may include difficulty breathing, frequent insomnia, and the presence...[Read More] Understanding Facial Swelling: Allergies or Acne Complications?
Concerns About Hand Sanitizer Contact with Eyes: Risks and Remedies
Hand sanitizer applied to the eyeball? Hello, doctor: I just accidentally washed my eyeball with hand sanitizer, and now I'm worried about whether my eyelashes might fall out or if the hair follicles could be harmed. I found online that someone used hand sanitizer to bathe t...
Dr. Wu Yuxin Reply:
Why wash the eyeball with hand soap? It can harm the eyes. Eyelashes and eyebrows are less concerning.[Read More] Concerns About Hand Sanitizer Contact with Eyes: Risks and Remedies
Unexplained Itching: Seeking Solutions for Persistent Skin Irritation
Unexplained skin itching? Since June of last year, I have been experiencing generalized itching on my skin, with the affected areas constantly changing (sometimes my limbs, other times my torso or more humid areas like my armpits). However, there are no signs of redness, rashes, ...
Dr. Wu Yuxin Reply:
You can go to the hospital for a blood test. Additionally, it may be helpful to keep a record of the types of beverages and sweets you consume for the physician's reference.[Read More] Unexplained Itching: Seeking Solutions for Persistent Skin Irritation
Persistent Pus Wound at the Coccyx: Causes and Solutions
The abscess at the coccyx is not healing? Hello doctor, my coccyx area has been itchy, and I have been scratching it. One time, I accidentally broke the skin, and the wound became infected and formed a blister. I thought it would heal on its own, but after a while, it swells up a...
Dr. Wu Yuxin Reply:
Medical treatment is necessary to resolve the issue.[Read More] Persistent Pus Wound at the Coccyx: Causes and Solutions
Should You Stop Oral Antibiotics for Acne? Expert Insights
Oral antibiotics for acne? Hello, doctor. I started taking oral antibiotics (Doxycycline) on the night of April 16, and as of now, May 2, my acne has significantly decreased, with no large pimples remaining, just a few closed comedones. I visited two clinics; one indicated that s...
Dr. Wu Yuxin Reply:
Whether or not to continue medication requires clinical judgment. Without seeing the patient, I cannot provide you with advice. It is recommended to discuss this with the original physician.[Read More] Should You Stop Oral Antibiotics for Acne? Expert Insights
Understanding Skin Lesions: Distinguishing Between Nevi and Angiokeratomas
Inquiry Consultation Dear Dr. Wu, Hello. Yesterday, I discovered several flat, non-raised junctional nevi on my scrotum. Among them, I found a deep black, shiny, semi-circular raised lesion on the right side of my scrotum, approximately 0.15 cm in size. Initially, I thought it w...
Dr. Wu Yuxin Reply:
Q1 and Q2 cannot be answered, as they require medical education and specialized training in dermatology to make a proper assessment; it's not that simple. Q3 could also be a single lesion. Q4 No, it won't. Q5 In principle, treatment is not necessary.[Read More] Understanding Skin Lesions: Distinguishing Between Nevi and Angiokeratomas