Dr. Li Yufen reply Dermatology Question - Page 10

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Effectiveness of Switching Oral Medications for Toenail Fungus Treatment

The effectiveness of switching oral medications for onychomycosis (fungal nail infection) midway through treatment? Hello, I have had onychomycosis for many years. Four of my toes on my right foot are affected. Two years ago, I visited a dermatologist who prescribed an oral medic...


Dr. Li Yufen reply Dermatology
Hello: The treatment course for onychomycosis typically lasts for 12 weeks. You have already been on oral medication for 10 weeks and have seen a certain degree of improvement. It is recommended to observe whether the new nail growth on your big toe is normal. If there are any ab...

[Read More] Effectiveness of Switching Oral Medications for Toenail Fungus Treatment


How to Identify and Treat Scrub Typhus: Symptoms and When to Seek Help

Diagnosis and Treatment of Scrub Typhus Today I discovered a strange circular mark on my ankle, approximately 0.2 to 0.3 centimeters in size. It resembles an insect bite, with a black center and deep red surrounding area. I noticed that the area around the wound itches at night. ...


Dr. Li Yufen reply Dermatology
Hello: For a detailed introduction to scrub typhus, you can refer to the article from the Ministry of Health and Welfare's Centers for Disease Control at https://www.cdc.gov.tw/Category/Page/uoJu4kugqQMThmC8cnCWFA. If your skin condition does not improve or worsens, it is re...

[Read More] How to Identify and Treat Scrub Typhus: Symptoms and When to Seek Help


Managing Persistent Urticaria After Vaccination: Seeking the Right Care

Multiple urticaria Hello Doctor: Since receiving the vaccine, my hands have frequently become red and developed many small rashes. I also often have elongated rashes on my buttocks, thighs, back, and chest. Initially, I consulted a dermatologist who prescribed me second-generatio...


Dr. Li Yufen reply Dermatology
Hello: 1. You can first schedule a follow-up appointment with a pediatrician to discuss adjusting the medication for urticaria, or you can find a nearby dermatologist at http://www.derma.org.tw/user_finddoctor.php. 2. Topical corticosteroid ointments can be applied to the hands, ...

[Read More] Managing Persistent Urticaria After Vaccination: Seeking the Right Care


Understanding Itchy Skin Sensations: Causes and Solutions

Skin issues I apologize, but I would like to ask a question. Whenever I feel hot or anxious, I experience a prickling sensation all over my body and intense itching (without any rash). Could you please tell me what this issue might be? Thank you.


Dr. Li Yufen reply Dermatology
Hello: For a detailed introduction to skin itching, you can refer to the article from Taichung Hospital (https://www.taic.mohw.gov.tw/?aid=509&pid=74&page_name=detail&type=1002&iid=3333). If the skin condition does not improve or worsens, it is recommended to cons...

[Read More] Understanding Itchy Skin Sensations: Causes and Solutions


Is My Skin Condition Solar Urticaria? Symptoms and Treatment Options

Could you please tell me if my symptoms are indicative of solar urticaria? After about 30 minutes of sun exposure, the affected areas begin to itch, and upon touching, there is a noticeable increase in temperature. The skin in those areas becomes very wrinkled, and applying press...


Dr. Li Yufen reply Dermatology
Hello: For a detailed introduction to photosensitivity, you can refer to the articles from KTG Hospital and Dr. Peng Hsien-Li's Dermatology Clinic at the following links: https://www.ktgh.com.tw/HotNews_look.asp?NewsID=893 and https://www.p-skin.com.tw/procedure_show.php?sho...

[Read More] Is My Skin Condition Solar Urticaria? Symptoms and Treatment Options


Understanding Scabies: Itchy Sensations Without Visible Symptoms

Scabies may present with no obvious symptoms? I previously had contact with a scabies patient and later experienced itching and a crawling sensation, but there were no visible skin abnormalities. I used scabicide topically for a week as a preventive measure, stopped for three day...


Dr. Li Yufen reply Dermatology
Hello: For a detailed introduction to scabies, you can refer to the article on Care Online at https://www.careonline.com.tw/2017/02/scabies.html and the website of the Taiwan Dermatological Association at http://www.derma.org.tw/index.php?sort_no=1557913144. To confirm a diagnosi...

[Read More] Understanding Scabies: Itchy Sensations Without Visible Symptoms


Understanding Viral Warts: Transmission Risks and Treatment Duration

Viral warts issue Hello Dr. Lee, I have a viral wart on my right hand, and I am very worried about it spreading to other areas, especially since I need to touch my scalp and body while showering. I would like to know how high the risk of transmission is. I am currently undergoing...


Dr. Li Yufen reply Dermatology
Hello: For a detailed introduction to viral warts, you can refer to the article on Care Online at https://www.careonline.com.tw/2017/08/warts.html. Since human papillomavirus (HPV) is contagious, it is recommended to treat the lesions completely as early as possible. You can find...

[Read More] Understanding Viral Warts: Transmission Risks and Treatment Duration


Understanding and Treating Calluses and Dead Skin on Feet

Calluses on the soles of the feet? Hello Doctor: My father has had calluses or dead skin on the soles of his feet for several years. A few years ago, he visited a dermatology clinic for about a year, where he was treated with cryotherapy. However, he mentioned that after a year, ...


Dr. Li Yufen reply Dermatology
Hello: Based solely on the textual description, it is not possible to accurately diagnose a skin condition. The presence of calluses or dead skin on the soles of the feet can have many causes, including viral warts, plantar warts, or corns. If the affected area is extensive, it c...

[Read More] Understanding and Treating Calluses and Dead Skin on Feet


Consulting a Dermatologist: Concerns About a Mole on the Elbow

Inquiry Consultation Dear Dr. Lee, I recently developed a mole located on the inner side of my right elbow, specifically in the middle-right area of the joint crease. The mole is approximately 0.1 cm in size and is flat, not raised. Currently, there are no changes to the mole. I...


Dr. Li Yufen reply Dermatology
Hello: The evolution of common pigmented nevi can range from benign nevi to dysplastic nevi, or malignant melanoma. For a detailed introduction to melanoma, you can refer to the article on Care Online: https://www.careonline.com.tw/2017/07/melanoma.html. Question 1: Based on th...

[Read More] Consulting a Dermatologist: Concerns About a Mole on the Elbow


Is Severe Skin Breakdown Normal with Tinea Cruris Treatment?

Can tinea cruris cause severe skin breakdown? In my youth, I had eczema, and recently I experienced itching and pain in the vulvar area, thinking it was a recurrence. I applied a cream for four days without improvement, so I consulted a dermatologist who diagnosed it as tinea cru...


Dr. Li Yufen reply Dermatology
Hello: The skin on both sides of the groin, scrotum, and perineum is broken and continuously exuding tissue fluid, which is not a normal phenomenon. It is recommended to consult a dermatologist nearby for diagnosis and treatment. Thank you!

[Read More] Is Severe Skin Breakdown Normal with Tinea Cruris Treatment?


How Many Times Can Molluscum Contagiosum Appear?

Frequency of wart growth? Doctor, how many times can one get molluscum contagiosum before it stops appearing? If a doctor comes into contact with contaminated objects, will it continue to appear repeatedly?


Dr. Li Yufen reply Dermatology
Hello: For a detailed introduction to molluscum contagiosum, you can refer to Dr. Yu Yi-Sheng's article at https://www.careonline.com.tw/2018/03/Molluscum-Contagiosum.html. Since it is a viral infection, it does not mean that it will stop appearing after a few occurrences. I...

[Read More] How Many Times Can Molluscum Contagiosum Appear?


Understanding Filiform Warts: Symptoms, Diagnosis, and Treatment

Questions related to filiform warts? A week ago, I noticed a raised growth on my eyelid that resembled a polyp. I ended up picking it off myself, and now it doesn't appear to be raised anymore. I would like to know how to determine if it is a filiform wart. Currently, there ...


Dr. Li Yufen reply Dermatology
Hello: For a detailed introduction to viral warts, you can refer to the article on Care Online at https://www.careonline.com.tw/2017/08/warts.html. If the skin condition does not improve or worsens, it is recommended to consult a nearby dermatologist for diagnosis and treatment a...

[Read More] Understanding Filiform Warts: Symptoms, Diagnosis, and Treatment


Dealing with Flat Warts: Treatment Options and Family Concerns

It seems that I have been infected by my husband? After four years of marriage, I have been indifferent to the warts on my husband's body (and he did not inform me about them). It wasn't until March of this year when I went for Botox that the doctor diagnosed them as fl...


Dr. Li Yufen reply Dermatology
Hello: For a detailed introduction to viral warts, you can refer to the article on Care Online at https://www.careonline.com.tw/2017/08/warts.html. If a child has any skin abnormalities, it is advisable to consult a nearby dermatologist for diagnosis and treatment at http://www.d...

[Read More] Dealing with Flat Warts: Treatment Options and Family Concerns


Skin Reactions to Mosquito Repellent: Is Numbness a Concern?

Medication Consultation - Mosquito Repellent Spray Hello, I went to Hualien and got bitten by mosquitoes on both of my calves, resulting in numerous welts. I bought mosquito repellent and applied it, but a few hours later, the areas where I applied the repellent became numb, whil...


Dr. Li Yufen reply Dermatology
Hello: I found information online only about Chung Mei Pharmaceutical's "Huhu Itch Relief and Anti-inflammatory" liquid. The product information can be found here: https://www.chungmei.com.tw/products/133. The medication guide states that it is not recommended for ...

[Read More] Skin Reactions to Mosquito Repellent: Is Numbness a Concern?


Understanding Plantar Warts: Treatment Options and Concerns

Questions about plantar warts? My mother has had warts on the soles of her feet since the year before last. Due to her busy schedule and a lack of motivation to see a doctor during the winter, she has not received proper treatment. Finally, I managed to persuade her to see a derm...


Dr. Li Yufen reply Dermatology
Hello: For a detailed introduction to viral warts, you can refer to the article on Care Online at https://www.careonline.com.tw/2017/08/warts.html. If cryotherapy and topical medications do not yield satisfactory results, you may also consider electrosurgery or outpatient surgery...

[Read More] Understanding Plantar Warts: Treatment Options and Concerns


Essential Care Tips for Managing Viral Warts During Treatment

Care during the treatment period for viral warts? Hello, doctor. I am a patient with viral warts, and I have had a growth on my fingers for two years. This year, I started to notice new small bumps, which led me to visit a dermatologist. Today is my second appointment, but in the...


Dr. Li Yufen reply Dermatology
Hello: Regarding the treatment and prevention of viral warts, you can refer to the article on Care Online at https://www.careonline.com.tw/2017/08/warts.html. Since human papillomavirus (HPV) is contagious, it is recommended to treat the lesions completely as early as possible. Y...

[Read More] Essential Care Tips for Managing Viral Warts During Treatment


Preventing and Caring for Folliculitis: Tips for Skin Health

Prevention of folliculitis and post-medication care? Hello, Doctor. Since reaching adulthood, I have experienced folliculitis every 1-2 years, typically presenting as deep, approximately one-centimeter-sized pustules. Initially, these appeared in my armpits, hair areas, or on my ...


Dr. Li Yufen reply Dermatology
Hello: If folliculitis recurs frequently, it is advisable to keep the affected area dry and well-ventilated, and to minimize friction. You may also use antibacterial body wash or medicated soap for cleansing. If the folliculitis is superficial and may rupture with pus drainage, i...

[Read More] Preventing and Caring for Folliculitis: Tips for Skin Health


Understanding Itchy and Red Skin Reactions to Heat in Winter

When the body heats up, the skin becomes itchy/red? Hello Doctor: Since it has gotten colder this winter, my skin has become very itchy after my body heats up, with some areas turning red and even developing small bumps that resemble insect bites. The episodes occur during walkin...


Dr. Li Yufen reply Dermatology
Hello: Based solely on the textual description, it is not possible to accurately diagnose a skin condition. It is suspected that it may resemble an outbreak of urticaria. If the skin condition does not improve or worsens, it is recommended to consult a nearby dermatologist for di...

[Read More] Understanding Itchy and Red Skin Reactions to Heat in Winter


Understanding Molluscum Contagiosum: Risks and Virus Survival Explained

Infectious diseases 1. Doctor, I had molluscum contagiosum, but I have been cured for over six months. If I come into contact with objects that have been infected with the virus again, will I develop new lesions? If so, will there be many new lesions? 2. Doctor, if there are con...


Dr. Li Yufen reply Dermatology
Hello: For a detailed introduction to molluscum contagiosum, you can refer to the article from the Taiwan Dermatological Association at http://www.derma.org.tw/CKEdit/upload/files/06.pdf. Since the virus primarily exists within living cells, theoretically, its survival time outsi...

[Read More] Understanding Molluscum Contagiosum: Risks and Virus Survival Explained


Can I Go to Work After Applying Scabies Treatment?

Can I go to work after applying medication for scabies? I recently visited a dermatology clinic and was diagnosed with scabies. I would like to ask the doctor if I can go to work the same day after applying the medication, provided that I do not have any contact with my colleague...


Dr. Li Yufen reply Dermatology
Hello: For a detailed introduction to scabies, you can refer to the article on Care Online at https://www.careonline.com.tw/2017/02/scabies.html. Scabies is a skin contact-transmitted disease. During the treatment period, individuals can continue to work normally, but it is impor...

[Read More] Can I Go to Work After Applying Scabies Treatment?


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