Effective Treatments for Skin Allergies in Children: A Guide
Skin allergy Hello Doctor, My niece was injured at the beach, and since then, whenever she has a wound (including mosquito bites, scratching, etc.), the affected area develops blisters and becomes red, swollen, and itchy. The more she scratches, the larger the area becomes. Aft...
Dr. Chen Yiying reply Dermatology
Hello: In response to your question: Children at this age tend to have a stronger reaction to mosquito bites than adults, and they are less able to control their urge to scratch, which can exacerbate the affected area and even lead to secondary bacterial infections. Please work c...[Read More] Effective Treatments for Skin Allergies in Children: A Guide
Understanding Skin Issues: Safe Treatments for Pregnant Women
Skin issues Hello Dr. Chen, I developed small blister-like lesions on my forehead after wearing heavy makeup for an entire day during my wedding six months ago. Although they are not painful or itchy, they are densely clustered all over my forehead. I have seen a dermatologist, b...
Dr. Chen Yiying reply Dermatology
Hello: In response to your inquiry, it is difficult to determine the diagnosis based on your description. It is unclear whether there are actual vesicles or just small bumps. The condition could be acne, comedones, contact dermatitis, or other less common vesicular diseases, and ...[Read More] Understanding Skin Issues: Safe Treatments for Pregnant Women
Understanding Seborrheic Dermatitis and Folliculitis: Treatment Insights
Seborrheic dermatitis and folliculitis? Polytar Liquid is effective for seborrheic dermatitis of the scalp; does it also have the same efficacy for scalp folliculitis? What are the differences between seborrheic dermatitis of the scalp and scalp folliculitis? Currently, I am taki...
Dr. Chen Yiying reply Dermatology
Hello: In response to your question: Folliculitis is caused by the obstruction of sebaceous glands or bacterial infection, and clinically presents as red bumps, which is different from seborrheic dermatitis. Polylactone solution has anti-inflammatory effects, but its efficacy on ...[Read More] Understanding Seborrheic Dermatitis and Folliculitis: Treatment Insights
Understanding Hair Loss: Why Am I Hairless Under My Armpits?
Alopecia Hello Dr. Chen, I am currently 21 years old, but strangely, I don't seem to have much hair under my armpits. Is this abnormal, and is there anything I can use to encourage hair growth? Thank you!
Dr. Chen Yiying reply Dermatology
Hello: In response to your question, the topical use of Rogaine (minoxidil) can promote hair growth; however, it is important to be cautious of its irritant properties and to avoid using it in excess.[Read More] Understanding Hair Loss: Why Am I Hairless Under My Armpits?
Understanding Nail Issues: Causes, Symptoms, and Treatment Options
Nail Hello! My nails have been unsightly for several years... All ten of my fingernails have dents, and the area where they attach to my fingers is getting smaller. Sometimes they hurt or have blood streaks. I've seen three doctors; one said it was nail bed inflammation, ano...
Dr. Chen Yiying reply Dermatology
Hello: In response to your inquiry, I have seen three doctors. Some mentioned inflammation of the nail bed, others suggested psoriasis or onychomycosis, and there were also mentions of nail dystrophy. Nail issues can be quite challenging to diagnose, and the aforementioned diagno...[Read More] Understanding Nail Issues: Causes, Symptoms, and Treatment Options
Understanding Scalp Issues: Causes, Symptoms, and Treatments
Scalp issues Hello, doctor. I often experience an increase in dandruff, and I also have small bumps on my scalp that are very uncomfortable. Could you please tell me what these bumps are? (They are similar to acne but without pus.) Is this situation serious? What treatments are a...
Dr. Chen Yiying reply Dermatology
Hello: In response to your question regarding the bumps on your scalp, they may be due to seborrheic dermatitis or folliculitis. Possible causes include lack of sleep, changes in climate, poor hair washing and care practices, as well as excessive consumption of greasy and irritat...[Read More] Understanding Scalp Issues: Causes, Symptoms, and Treatments
Effective Treatments for Angular Cheilitis: Tips and Dietary Advice
How to treat angular cheilitis? (1) Is it okay to apply [Lindelung ointment] on the corners of my mouth that have been cracking for over a month? Since it is a topical medication, it might get ingested when applied to the corners of the mouth. Is it safe to use? (2) Besides takin...
Dr. Chen Yiying reply Dermatology
Hello: Regarding your question about cracked corners of the mouth, it is generally not related to nutritional deficiencies in modern individuals. Common issues may include angular cheilitis or oral herpes, which can be triggered by lack of sleep or food irritants. Lianhua Qingwen...[Read More] Effective Treatments for Angular Cheilitis: Tips and Dietary Advice
Can Injectable Vitamin C Be Used Topically for Skin Whitening?
The use of injectable L-ascorbic acid (Vitamin C)! I'm sorry for the interruption. May I ask Dr. Chen... about the injectable L-ascorbic acid (vitamin C) vials (glass, 2ml, 500mg) used in hospitals? Can I apply it directly to my face? Can the skin absorb it? Would this also ...
Dr. Chen Yiying reply Dermatology
Hello: In response to your question, the vitamin C used for injections in hospitals is not in the L-ascorbic acid form, which results in poor absorption and effectiveness when applied to the skin. The L-ascorbic acid form of vitamin can penetrate the skin's keratinocytes, bu...[Read More] Can Injectable Vitamin C Be Used Topically for Skin Whitening?
Concerns About Skin Damage from Affordable Beauty Products
People who are afraid their skin will deteriorate...! There are many "beauty stores" displaying skincare and cosmetic products... tens of thousands of them, and the prices are much cheaper than those at department store counters, which raises questions about the source ...
Dr. Chen Yiying reply Dermatology
Hello: In response to your inquiry regarding the ingredients and qualifications of personnel associated with commercial products, it is difficult to ascertain their credibility. I recommend the following: 1. Verify the approval number from the Department of Health and the indicat...[Read More] Concerns About Skin Damage from Affordable Beauty Products
Can Shared Washers Spread Contaminants? Health Risks Explained
Regarding personal hygiene? Hello, doctor. I would like to ask a question. I am currently a student living off-campus, and I usually do laundry using a shared washing machine that is used by both males and females. My question is, if someone’s clothing contains unclean substances...
Dr. Chen Yiying reply Dermatology
Hello: In response to your question: Theoretically, the amount remaining on clothing is minimal, and washing with detergent should not cause infectious diseases, as laundry detergents generally have antibacterial properties. However, if you wear someone else's unwashed cloth...[Read More] Can Shared Washers Spread Contaminants? Health Risks Explained
Is Prescription of Oral Vitamin A Acid Approved by Health Authorities?
Oral vitamin A acid In order for a physician at your hospital to prescribe oral isotretinoin (vitamin A acid), is it necessary to obtain approval from the Department of Health beforehand? Do all hospitals and clinics in the country need to go through this approval process?
Dr. Chen Yiying reply Dermatology
Oral isotretinoin is a high-cost medication, and the National Health Insurance Administration requires a prior authorization process, which must include a photo, consent form, and a copy of the medical records. Approval must be obtained before insurance coverage is granted. Gener...[Read More] Is Prescription of Oral Vitamin A Acid Approved by Health Authorities?
Do You Need Long-Term Antihistamines for Urticaria Management?
Does urticaria require long-term use of antihistamines and other medications for control, or should treatment be administered only during flare-ups? Recently, I visited a dermatologist for urticaria, and the doctor advised that I should take medication long-term (approximately si...
Dr. Chen Yiying reply Dermatology
Hello: In response to your question: Urticaria can be classified into acute and chronic types. In addition to common food and drug allergies, there are many other causes that can trigger urticaria. Acute urticaria usually resolves within a short period under medication control, b...[Read More] Do You Need Long-Term Antihistamines for Urticaria Management?
Understanding Keloids: Symptoms, Causes, and Treatment Options
Is it keloid? Hello: I have a tendency to develop keloids, and I have an unsightly scar on my chest. I underwent a cesarean section 3 and a half months ago, and for the past week or two, I have been experiencing itching at the incision site. The scar has not remained as smooth as...
Dr. Chen Yiying reply Dermatology
Hello: In response to your question, keloids are a type of hypertrophic scar that occurs due to individual predisposition. In the initial stages, they may present with a prickling or itching sensation. These raised scars are quite difficult to treat and can be unsightly. It is re...[Read More] Understanding Keloids: Symptoms, Causes, and Treatment Options
Are All Black Moles on Hands and Feet Dangerous? Expert Insights
Mole Hello Doctor: I am nineteen years old, and two days ago I discovered a new black mole measuring 0.1mm on the palm of my left hand, near the thumb joint. I read an article stating that malignant melanoma is commonly found on the hands and soles of the feet, which has made me ...
Dr. Chen Yiying reply Dermatology
Hello: In response to your question: For individuals of East Asian descent, malignant melanoma does tend to occur on the extremities; however, not all moles on the hands and feet are necessarily malignant melanoma. Given your age and the size of the lesion, the likelihood of this...[Read More] Are All Black Moles on Hands and Feet Dangerous? Expert Insights
Understanding Fibrosis: Causes, Symptoms, and Prevention Tips
Please ask again about the issue of fibrosis? Dr. Chen: Thank you very much for your response. ^^ My fibrous tissue is located on the middle right side of the dorsum of my left foot (not on the sole). Can this condition be determined as fibrosis or granulation tissue? Is this typ...
Dr. Chen Yiying reply Dermatology
Hello: In response to your question: Such lesions are not uncommon. Fibrous tissue is usually softer in texture, while granulation tissue is more prone to bleeding, which can be a simple way to differentiate between them. In case a wound forms, it is important to take protective ...[Read More] Understanding Fibrosis: Causes, Symptoms, and Prevention Tips
Effective Treatments for Athlete's Foot: Managing Itchy Blisters and Peeling Skin
Athlete's foot I have athlete's foot, which only causes mild peeling, but the most bothersome part is that small blisters appear on my feet and they are itchy. I have previously used small scissors to puncture them, but they keep coming back. At one point, I had six bli...
Dr. Chen Yiying reply Dermatology
Hello: In response to your question, there are many reasons why blisters may form on the feet. It is not necessarily limited to athlete's foot; conditions such as dyshidrotic eczema and foot eczema are also possibilities. If the issue persists, it is advisable to consult a d...[Read More] Effective Treatments for Athlete's Foot: Managing Itchy Blisters and Peeling Skin
Understanding Skin Fibrosis: Causes, Prevention, and Treatment Options
What is fibrosis? (in the leg) Hello Doctor: Recently, I scraped my foot while wearing flip-flops, but I didn't apply any medication. After a day, I suddenly noticed that the original scrape had developed into something resembling a blister, with a small piece of flesh protr...
Dr. Chen Yiying reply Dermatology
Hello: In response to your question: I'm not sure which part of your foot you are referring to. If it is tissue (i.e., fibrosis) or granulation tissue, and it does not affect your mobility or is not frequently irritated, you can observe it without immediate treatment. Howeve...[Read More] Understanding Skin Fibrosis: Causes, Prevention, and Treatment Options
Understanding Fibromas: Can Breathable Tape Help Reduce Size?
Fibrosis (in the leg) - please refer to the previous message? I reviewed the Q&A again and found an appropriate description: "a small, light red protruding flesh." I would like to know if using breathable tape on it would help reduce its size. Additionally, I found ...
Dr. Chen Yiying reply Dermatology
Hello: In response to your question, I'm not sure which part of your foot you are referring to. If it is tissue (i.e., fibrosis) or granulation tissue, and it does not affect your mobility or is not frequently irritated, you can observe it without immediate treatment. Howeve...[Read More] Understanding Fibromas: Can Breathable Tape Help Reduce Size?
Understanding Acne Pilaris: Causes, Symptoms, and Treatment Options
Acne pilaris, also known as keratosis pilaris, is a common skin condition characterized by the appearance of small, rough bumps on the skin, often Acne pilaris的中文名稱為毛囊角化症。醫學上確實有非傳染性皮膚病這個術語，它指的是不會通過接觸或其他方式傳播的皮膚疾病，包括但不限於乾癬、濕疹、皮膚癬等。
Dr. Chen Yiying reply Dermatology
Hello: In response to your question, I'm not sure where you encountered the term "acne pilaris." Essentially, modern textbooks and literature do not commonly use this term, so I cannot provide you with its Chinese equivalent. However, if we break it down, "acn...[Read More] Understanding Acne Pilaris: Causes, Symptoms, and Treatment Options
Am I Suffering from Seborrheic Dermatitis? Hair Loss Concerns Explained
Could you please tell me if I have developed seborrheic dermatitis? I have been experiencing abnormal hair loss for three months, and I am very worried that my hair will continue to thin. I have visited many websites and read several books about hair loss, and I found that my sym...
Dr. Chen Yiying reply Dermatology
Hello: In response to your question: First of all, hair loss is not a manifestation of seborrheic dermatitis. The white substance surrounding the hair roots may be normal hair sheaths or other substances (such as lice eggs). The protrusions on the scalp can have many possibilitie...[Read More] Am I Suffering from Seborrheic Dermatitis? Hair Loss Concerns Explained