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
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
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
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
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
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
Is Your Mole Removal Incomplete? Understanding Skin Care Concerns
The mole was not completely removed? Hello, doctor. Yesterday I went to the dermatology department of a large hospital to have a mole removed from my back. The resident physician asked if it was the mole on my back before the procedure. However, when I had my dressing changed in ...
Dr. Wu Yuxin Reply:
Laser mole removal? Laser mole removal may not always achieve complete removal; often, it can only improve the appearance.[Read More] Is Your Mole Removal Incomplete? Understanding Skin Care Concerns
Understanding Facial Redness: Causes, Symptoms, and When to Seek Help
Frequent facial flushing? Hello Dr. Li, recently my face often becomes flushed, usually concentrated in the T-zone, on both sides of my cheeks, around my eyes, and sometimes extending to the area around my ears and wrists. It doesn't itch, but it feels red and stinging, and ...
Dr. Li Yufen Reply:
Hello: Based solely on the textual description, it is not possible to accurately diagnose a skin condition. The most common causes of facial redness due to skin issues include rosacea, which leads to the dilation of facial microvessels, or facial allergies. Conditions such as urt...[Read More] Understanding Facial Redness: Causes, Symptoms, and When to Seek Help
Understanding the Risk of Athlete's Foot Transmission at Home
Questions about athlete's foot infection? Hello, doctor. A few days ago, a technician came to my house to install a surveillance camera, and one of the rooms is a tatami room. I had already asked him not to take off his shoes, but he did so anyway and walked on the tatami. A...
Dr. Li Yufen Reply:
Hello: For a detailed introduction to athlete's foot, you can refer to the article by Med's Good Friend at https://www.medpartner.club/tinea-pedis-treatment-prevention/. Athlete's foot is caused by a fungal infection (dermatophytes), which thrive in warm and humid ...[Read More] Understanding the Risk of Athlete's Foot Transmission at Home
Can Fungal Infections Survive in Plastic Foot Soaking Buckets?
Athlete's foot issue? If a family member has used a plastic foot basin and has athlete's foot, even after cleaning it, there is a possibility that the fungus could still remain on the surface of the basin, especially if it hasn't been used for over two weeks. Funga...
Dr. Li Yufen Reply:
Hello: Athlete's foot is caused by a fungal infection (dermatophytes). Fungi thrive in warm and humid environments, while high temperatures and dryness make it difficult for them to survive. If there are any abnormalities on the skin, it is recommended to consult a nearby de...[Read More] Can Fungal Infections Survive in Plastic Foot Soaking Buckets?
Understanding the Challenges of Cryotherapy for Viral Warts
Cryotherapy has been effective for several years, with varying results? I have viral warts on both my fingers and toes. I've been undergoing cryotherapy for nearly two to three years, but my condition hasn't improved, so I would like to seek opinions from other doctors....
Dr. Li Yufen Reply:
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. Thank you![Read More] Understanding the Challenges of Cryotherapy for Viral Warts
Effective Treatments for Athlete's Foot and Managing Exudate
Treatment of athlete's foot (tinea pedis) and management of exudate? Hello Doctor: I have a tendency to sweat excessively from my hands and feet. I previously had a history of atopic dermatitis over ten years ago, which resolved on its own as I aged. I also had a history of ...
Dr. Li Yufen Reply:
Hello: For a detailed introduction to athlete's foot, you can refer to the article by Med's Good Friend at https://www.medpartner.club/tinea-pedis-treatment-prevention/. In summer, it is recommended to apply a thin layer of ointment. If the lesions continue to expand an...[Read More] Effective Treatments for Athlete's Foot and Managing Exudate
Hard Lump Near Groin: Painful Symptoms and Treatment Options
There is a small lump on the left side of the groin near the scrotum that is slightly painful and feels hard to the touch? There is a small swollen area near the left side of my groin, close to the scrotum, which is slightly painful and feels hard to the touch. About three years ...
Dr. Wu Yuxin Reply:
Since you are concerned about worsening symptoms, you should seek medical attention promptly. Online consultations cannot resolve your symptoms or provide an accurate diagnosis.[Read More] Hard Lump Near Groin: Painful Symptoms and Treatment Options
Understanding the Increase of Moles: Causes, Concerns, and Care
Mole pigmentation Hello Doctor, in the past two years, I have noticed many new moles appearing on my body, both red and black, especially on my back, waist, and arms. There is also one in my intimate area, and a few on my face. Now, if I count them all, there should be more than ...
Dr. Wu Yuxin Reply:
If you have concerns about any growths on your body, you should seek medical attention as soon as possible.[Read More] Understanding the Increase of Moles: Causes, Concerns, and Care
Understanding Warts: Are They Contagious and What to Do?
Wart with a scab-like appearance I would like to ask the doctor about a situation that occurred today while investigating a case. I had contact with a wart on the individual's arm, but I'm not sure if it is indeed a wart (the image can be found at the provided link). I ...
Dr. Wu Yuxin Reply:
Even warts are not necessarily contagious through contact; the likelihood is higher if there is a wound on the skin. It is recommended to clean the area thoroughly immediately in similar situations.[Read More] Understanding Warts: Are They Contagious and What to Do?
Accelerating Skin Healing and Whitening After Burns: Expert Advice
Wound healing and skin whitening for repair of skin issues? Hello Doctor, I accidentally burned myself with freshly boiled water on Monday night and immediately went to see a doctor. After applying ointment, the condition has gradually improved; the wounds on my forehead and face...
Dr. Wu Yuxin Reply:
It is not recommended to use it; instead, have a dermatologist examine you before proceeding.[Read More] Accelerating Skin Healing and Whitening After Burns: Expert Advice
Understanding Skin Bumps: What to Know About Unidentified Growths
A growth of an unknown mass? Hello doctor, I have a round, skin-colored bump about the size of a sesame seed on the back of my left index finger. It is soft and not painful. I would like to know what this might be and if it could have any effects.
Dr. Wu Yuxin Reply:
It is not possible to make a diagnosis online; I recommend that you visit a nearby dermatologist for an examination.[Read More] Understanding Skin Bumps: What to Know About Unidentified Growths
Understanding the Impact of AHA and Retinoids on Skin Microvascular Health
A acid and azelaic acid issues? Hello, doctor. I have seen many discussions online about the long-term use of acids such as retinoic acid and azelaic acid causing the appearance of telangiectasia on the face. However, after reading educational articles, I learned that these acids...
Dr. Li Yufen Reply:
Hello: Thinning of the stratum corneum does not cause telangiectasia. The most common reasons for facial telangiectasia may include having a rosacea-prone skin type or the use of topical corticosteroids. If the skin condition does not improve or worsens, it is advisable to consul...[Read More] Understanding the Impact of AHA and Retinoids on Skin Microvascular Health
How Long Does It Take for Antibiotics to Control an Infected Cyst?
How long does it take for medication to control an inflamed sebaceous cyst? Hello Doctor: I have a sebaceous cyst on the back of my neck that has been present for about 3.4 years. Recently, it suddenly became larger and painful, and I even noticed a little pus coming out. The nex...
Dr. Li Yufen Reply:
Hello: The severity of a ruptured cyst with inflammation can vary greatly in clinical practice. If symptoms such as redness, swelling, heat, and pain become increasingly pronounced, it is advisable to return for follow-up treatment sooner. During dressing changes, you can use pov...[Read More] How Long Does It Take for Antibiotics to Control an Infected Cyst?