Understanding Tinea: Will My Child's Skin Condition Spread?
Is it tinea? Hello Dr. Jiang, my daughter had two white spots on her face when she was 2 years old, and now that she is 4, I have noticed that the white spots have been getting larger and that another one has appeared on the right side. I would like to know if tinea (ringworm) ca...
Dr. Jiang Zheen Reply:
There are several conditions that can cause white spots on the face, including: 1. Pityriasis alba: Generally not concerning and may resolve on its own. 2. Vitiligo: More difficult to treat and can be a more troublesome condition. 3. Tinea Versicolor: A fungal infection that requ...[Read More] Understanding Tinea: Will My Child's Skin Condition Spread?
Managing Mosquito Bite Allergies in Children: Effective Solutions and Tips
Allergic reactions after mosquito bites? Hello Dr. Jiang: My young daughter always develops small blisters and breaks the skin after being bitten by mosquitoes. After the wounds heal, there are deep hyperpigmented spots. I have a few questions for you: 1. I prefer not to apply mo...
Dr. Jiang Zheen Reply:
There is a type of mosquito repellent device on the market that uses sound waves. It comes in two forms: stationary and portable. It may help prevent some mosquito bites, and if bitten, a topical corticosteroid can be applied. My son uses this method, but Ammonia is not very effe...[Read More] Managing Mosquito Bite Allergies in Children: Effective Solutions and Tips
Managing Acne with Isotretinoin: Common Concerns and Tips
Isotretinoin Hello Dr. Jiang, I am currently a freshman. Since my senior year in high school, I have been experiencing persistent acne on my cheeks. I once saw a doctor who prescribed me tetracycline, which was very effective at first, but after the acne cleared up, I stopped tak...
Dr. Jiang Zheen Reply:
Oral isotretinoin can sometimes cause an initial worsening of acne during the first month of treatment for some individuals. I believe you can stop using your topical retinoids. Dr. Lin Bing-Huang is my senior, and it would be better for you to write down your questions and show ...[Read More] Managing Acne with Isotretinoin: Common Concerns and Tips
Understanding White Spots on the Glans: Causes and Concerns
White spots on the glans? Hello, Doctor: I am nineteen years old and have been troubled by a noticeable white patch on my genital area (on the glans and foreskin). It is neither painful nor itchy. I have seen a doctor who mentioned it is leukoplakia, but I am unsure if there is a...
Dr. Zheng Lizhen Reply:
Hello: Vitiligo is often an autoimmune disease that results in the destruction of one's own melanocytes. Topical medication treatment may be attempted. Sincerely, Dr. Cheng Li-Chen, Dermatology.[Read More] Understanding White Spots on the Glans: Causes and Concerns
Post-Mole Removal Care: Essential Tips for Healthy Skin
How to care for your skin after mole removal? Hello Dr. Cheng, I have recently developed many black spots on my face and nose over the past 3-4 months. I once visited your clinic, and the attending physician suggested laser treatment. To save money, a few days ago, I went to a ...
Dr. Zheng Lizhen Reply:
Hello: Regular sun protection is the fundamental and essential method. Sincerely, Dr. Cheng Li-Chen, Dermatologist.[Read More] Post-Mole Removal Care: Essential Tips for Healthy Skin
Red Spots on Chest: Understanding Causes and Treatment Options
There are red spots on the chest area? I have red spots on my chest and the upper part of my shoulders that feel similar to acne. When I touch them, I can feel their presence, but some of them feel like scars and have a slightly dark coffee color. Those must be scars, right? They...
Dr. Jiang Zheen Reply:
Please visit the dermatology outpatient clinic for medical attention. Thank you.[Read More] Red Spots on Chest: Understanding Causes and Treatment Options
Red Spots on Skin After Cold: Should I See a Dermatologist?
Hello, doctor. I would like to ask about a cold I had when I visited a small clinic. I'm not sure if it's related to the medication, but I have developed small red spots all over my body (except for my face). This condition has lasted for 2 days? Hello, doctor. I would ...
Dr. Huang Ruiyun Reply:
There are several possible causes, among which drug rash and viral rash are more likely. An online diagnosis cannot be made; if you need to visit a dermatologist in person, remember to bring the prescription you received at the clinic for the physician's reference.[Read More] Red Spots on Skin After Cold: Should I See a Dermatologist?
How to Remove Black Spots from Your Nails: Dermatologist Insights
Small black spots in the middle of the nail? Hello, doctor: A few days ago, I noticed a small black dot in the middle of my middle fingernail. I tried to scrape it off with scissors, but it didn't work at all. Could you please advise me on how to remove the small black dot f...
Dr. Huang Ruiyun Reply:
The small black dots under the nails are usually petechiae, which are tiny spots of bleeding. They cannot be scraped off. There is no need to worry about them; they will naturally grow out with the nail and will eventually be trimmed away.[Read More] How to Remove Black Spots from Your Nails: Dermatologist Insights
Understanding Red, Swollen, and Painful Elbow Skin: Causes and Treatments
Redness, swelling, and tingling of the skin on the elbow? Hello Doctor: My boyfriend started experiencing unusual redness and swelling on his elbow about a week ago. It looks somewhat like an insect bite, but he has no recollection of being bitten. There are small red swollen bum...
Dr. Jiang Zheen Reply:
Based on your photo, your boyfriend's skin condition is likely atopic dermatitis, which is a type of chronic eczema primarily characterized by itching. Topical corticosteroids can be applied locally, but it's important not to scratch the affected areas. Wishing you peac...[Read More] Understanding Red, Swollen, and Painful Elbow Skin: Causes and Treatments
Effective Treatments for White Sweat Spots: Myths and Facts
How to treat tinea versicolor? If you have white sweat spots on your hands, how should you treat them? I've been applying ointment for a long time, but it hasn't been effective. Is there a faster way to treat it with medication? I've heard that using anti-dandruff ...
Dr. Huang Ruiyun Reply:
After the treatment of tinea versicolor, the lighter areas of the skin will not immediately return to their original color; it may take several months for the skin tone to adjust back naturally. The side effects of oral medications can be significant, so it is advisable to avoid ...[Read More] Effective Treatments for White Sweat Spots: Myths and Facts
Understanding Pink Bumps with Pain: Possible Skin Conditions Explained
Pink lesions with neuralgia/burning sensation? About a week ago, I noticed a pink bump on my back that looked like a mosquito bite (approximately 1.5 cm in diameter), but I didn't pay much attention to it. However, 3 or 4 days ago, I developed 2 or 3 smaller pink bumps, and ...
Dr. Jiang Zheen Reply:
You may have herpes zoster, which is caused by the varicella-zoster virus. The duration of the illness is approximately 2-3 weeks and is often accompanied by neuropathic pain, as it follows the path of the nerves. It typically affects only one side of the body. If you start antiv...[Read More] Understanding Pink Bumps with Pain: Possible Skin Conditions Explained
Increasing White Spots on Arms: Causes and Treatments Explained
White spots appearing on the arm? The appearance of increasing white spots on the arm.
Dr. Huang Ruiyun Reply:
Online diagnosis is not permitted; if you are truly troubled, please visit a dermatologist in person.[Read More] Increasing White Spots on Arms: Causes and Treatments Explained
Understanding Dark Spots on the Genitals: Causes and Concerns
On the genitals? I have several black or brown spots on my genital area. What could they be? They are not painful or itchy, and they have been there for many years. P.S. They are flat and resemble spots, not raised.
Dr. Jiang Zheen Reply:
It could be a type of mole or nevus; either way, wishing you peace and safety.[Read More] Understanding Dark Spots on the Genitals: Causes and Concerns
Choosing the Right Treatment for Freckles: Laser vs. Chemical Peels
Which one is better? Hello Dr. Huang, I have had freckles since childhood, and I still feel like they are continuing to develop, which is quite distressing. My face often feels dirty because of them. I have always wanted to remove these spots, but I am unsure whether laser treat...
Dr. Huang Ruiyun Reply:
Laser treatment for freckles is highly effective; what you need is courage, time, and financial resources.[Read More] Choosing the Right Treatment for Freckles: Laser vs. Chemical Peels
Understanding Flea Bites: Red Spots and Skin Reactions Explained
After a flea bite, it develops into a red macule? I had over twenty bites on my foot from fleas, which were large, red, and swollen. I visited a dermatologist, took medication, and received an injection. The itching lasted for a week before it gradually subsided. After it healed,...
Dr. Huang Ruiyun Reply:
Insect bites can trigger an immune response, which varies in intensity among individuals. This reaction typically resolves on its own within a few weeks, while hyperpigmentation may take several months to fade. If there is no itching, it can be left alone; however, if appearance ...[Read More] Understanding Flea Bites: Red Spots and Skin Reactions Explained
Understanding Café-au-Lait Spots: Treatment Options and Concerns
Issues related to birthmarks? Hello, Dr. Zheng. I have an 11-year-old daughter who has a café-au-lait spot measuring approximately 6x6 cm at the lower right corner of her right eye. We consulted a dermatologist who suggested laser treatment for improvement, but mentioned the poss...
Dr. Jiang Zheen Reply:
Coffee milk spots can be treated with laser therapy, provided that the patient is compliant. The likelihood of recurrence should be low. Our facility does not have laser equipment, but if you live in Hualien, I can refer you to Dr. Kuo Wen-li's dermatology clinic, located at...[Read More] Understanding Café-au-Lait Spots: Treatment Options and Concerns
Understanding Symmetrical Red Rash: Causes and When to Seek Help
Is it possible for a rash to present with a symmetrical distribution? Recently, the weather has been humid, and I have developed some red spots about 1-2 centimeters in diameter on my abdomen, buttocks, and thighs. The spots are slightly raised and can be painful when pressed. So...
Dr. Jiang Zheen Reply:
Your issue is more complex and should be addressed at a dermatology clinic. Your skin condition seems to be related to heat and is likely caused by blocked sweat glands and pores. Wishing you well.[Read More] Understanding Symmetrical Red Rash: Causes and When to Seek Help
Understanding Skin Issues: Itchy Red Spots and Rashes Explained
Poor skin condition all over the body..? Hello Dr. Jiang: 1. A few days ago, small red spots about 0.1 cm in size started appearing on my foot, which are itchy and increasing in number. What could this be? 2. Small red spots about 0.1 cm in size have also appeared on my hand re...
Dr. Jiang Zheen Reply:
Your condition is most likely scabies, which is a parasitic skin infection. Treatment is required, along with disinfection of clothing. Wishing you well.[Read More] Understanding Skin Issues: Itchy Red Spots and Rashes Explained
Understanding Viral Warts: Treatment Duration and Expectations
Viral warts Dr. Huang, I noticed some black spots between my toes a few months ago, and they are raised, resembling calluses. Later, I found that they had grown a bit larger. I even tried to cut them off, but they keep coming back. Three weeks ago, I visited a dermatologist and a...
Dr. Huang Ruiyun Reply:
Cryotherapy for warts may be effective after just one treatment, but it could also require multiple sessions to achieve the desired results. Therefore, doctors are often cautious in their initial assessments.[Read More] Understanding Viral Warts: Treatment Duration and Expectations
Effective Methods to Remove Acne Scars: What You Need to Know
Are there better methods for reducing acne scars? Are there any effective methods to eliminate the marks (red spots, scars) left behind after having acne in the past?
Dr. Zheng Lizhen Reply:
Hello: Atrophic scars can be treated with laser resurfacing surgery or with injectable fillers such as collagen or hyaluronic acid. As for the red or hyperpigmented spots left by acne, these typically fade gradually over time (approximately three to six months). Using whitening p...[Read More] Effective Methods to Remove Acne Scars: What You Need to Know