Understanding Skin Issues: What Are Those String-Like Marks?
There are noodle-like structures near the knee (inner thigh) and the arm (close to the armpit)! Hello, Doctor: This issue has been bothering me for a long time, especially on my back (lower back area). I have linear formations that are about 5-6 cm long and 2-3 cm short. I'm...
Dr. Jiang Zheen reply Dermatology
Fool! It's not a sexually transmitted disease; it's just stretch marks from puberty. It’s nothing to worry about. Wishing you peace.[Read More] Understanding Skin Issues: What Are Those String-Like Marks?
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 Dermatology
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 Scabies: Symptoms, Treatment, and Scarring Concerns
About scabies? It seems that I might have scabies... 1. What are the obvious symptoms? 2. If I have it, how should I treat it? [I have already applied medication - Scabicide] 3. Is it only transmitted through skin contact or contact with clothing? 4. Will there be scars after tre...
Dr. Jiang Zheen reply Dermatology
Scabies can cause intense itching, especially at night. You can apply permethrin cream, and clothes should be disinfected with hot water. Bed linens should be sun-dried. After treatment, there should be no scarring. You should visit a dermatology clinic for proper diagnosis and t...[Read More] Understanding Scabies: Symptoms, Treatment, and Scarring Concerns
Understanding Acne Medications: Efficacy, Side Effects, and Duration
Medications for Acne I have an acne problem, and the doctor prescribed me some medications (Famotidine, Borymycin, Ascorbic Acid Tablets, and Neofusin + Urea Cream). I have been taking them for over a year, but sometimes I stop for one to two weeks, and it recurs. What are their ...
Dr. Jiang Zheen reply Dermatology
Famotidine is an antacid. Why did the doctor prescribe this medication for you? Borymycin is an antibiotic, one of the medications used to treat acne. Ascorbic acid is vitamin C. You may consider trying oral vitamin A acid.[Read More] Understanding Acne Medications: Efficacy, Side Effects, and Duration
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 Dermatology
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 Dermatology
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 Hair Loss and Fungal Infections: A Dermatologist's Insight
Onychomycosis and hair loss? Hello Dr. Jiang, I may have experienced severe hair loss (total body alopecia) due to excessive mental stress and fatigue. My skin is secreting a large amount of oil and has mild itching. The sides of my scalp, the back of my head, and my eyebrows ar...
Dr. Jiang Zheen reply Dermatology
The most important thing for you is to first address your stress and emotional issues, as many of your problems are related to these factors. These issues will improve as your stress and emotions are released. Newly grown hair is often finer and may temporarily lack pigmentation,...[Read More] Understanding Hair Loss and Fungal Infections: A Dermatologist's Insight
Understanding Wrinkles on the Glans: Causes and Concerns
Wrinkles on the glans? I sometimes masturbate, but recently I've noticed that there are prominent wrinkles on my glans, and the area is quite extensive. What could be the reason for this? Is it related to my method of masturbation?
Dr. Jiang Zheen reply Dermatology
There shouldn't be any major issues; it is likely just dry skin. Applying some lotion should help.[Read More] Understanding Wrinkles on the Glans: Causes and Concerns
Understanding Pubic Lice: Symptoms, Treatment, and FAQs
My testicles are itchy... could this be pubic lice? Hello Doctor: I previously noticed itching in my genital area, and upon closer inspection, I found a small black louse. I also discovered white specks that looked like eggs on the hair. Should I assume this is pubic lice? Howeve...
Dr. Jiang Zheen reply Dermatology
The treatment for pubic lice is straightforward, but it requires shaving twice, with an interval of 3-4 weeks between each session. Other treatment methods, as you mentioned, are also applicable. It is an infectious disease, and it is important to identify the source of transmiss...[Read More] Understanding Pubic Lice: Symptoms, Treatment, and FAQs
Do Sunscreens Really Benefit Your Skin? Key Insights and Tips
Is sunscreen truly beneficial for the skin? A few months ago, following the advice of a dermatologist, I purchased a bottle of sunscreen and have been using it daily. Recently, I transferred some into a regular clear plastic makeup bottle, and about two weeks later, I noticed tha...
Dr. Jiang Zheen reply Dermatology
I am not sure why this phenomenon occurs; you can email Dr. Tsai Cheng-Fang at National Taiwan University, as he is an expert in this area. Wishing you safety.[Read More] Do Sunscreens Really Benefit Your Skin? Key Insights and Tips
Can Athlete's Foot Fungi Cause Genital Infections and Itching?
Can the fungus that causes athlete's foot infect the genital area? Tinea pedis, commonly known as athlete's foot, is a fungal infection that primarily affects the feet. It can potentially spread to other areas of the body, including the groin, leading to symptoms such a...
Dr. Jiang Zheen reply Dermatology
Tinea pedis fungi can certainly infect the genital area, but women are more commonly affected by Candida infections. The clinical appearances of the two conditions differ somewhat, so it is important to consult a dermatologist for differential diagnosis. Wishing you safety and he...[Read More] Can Athlete's Foot Fungi Cause Genital Infections and Itching?
Understanding Red and Black Skin Rashes: Are They Signs of Skin Cancer?
Red and black rashes on the body? Hello, doctor. In recent years, I have developed several red and black spots on my body. The red ones are smaller and mostly on my limbs, while those on my abdomen are about 0.3 centimeters and numerous. The black moles on my body and shoulders a...
Dr. Jiang Zheen reply Dermatology
Based on your description, the red and black spots on your skin should be normal, but the safest option is to consult a dermatologist for evaluation. Wishing you well.[Read More] Understanding Red and Black Skin Rashes: Are They Signs of Skin Cancer?
Understanding Chronic Skin Issues: Causes, Treatments, and Specialist Guidance
Skin issues? Hello, I am asking on behalf of my husband. He has been experiencing skin itching issues for a long time, and sometimes he develops rashes on his back, which can also interfere with his sleep. Whenever he takes medication, the itching temporarily subsides. However, w...
Dr. Jiang Zheen reply Dermatology
Your husband's skin issue may be more complicated and might require some allergen testing. You should visit a dermatology department at a major hospital for evaluation. Allergen testing includes patch testing and blood tests for mast cell activation. Long-term use of antihis...[Read More] Understanding Chronic Skin Issues: Causes, Treatments, and Specialist Guidance
Understanding Palmoplantar Pustulosis: Insights and Management Tips
Palmoplantar Pustulosis I am a first-year college student. I have had palmoplantar pustulosis since the first grade of elementary school, and it still hasn't improved. I have seen many doctors, and some have told me that it would get better as I grew up. However, I am now an...
Dr. Jiang Zheen reply Dermatology
Palmoplantar pustulosis sometimes refers to psoriasis localized to these two areas. Psoriasis is a chronic condition that is difficult to eradicate. I recommend that you visit a teaching hospital for a thorough evaluation to determine which type of pustular dermatitis you have. W...[Read More] Understanding Palmoplantar Pustulosis: Insights and Management Tips
Understanding Pustular Dermatitis: Causes, Symptoms, and Treatment Options
Pustular psoriasis I have developed blisters and pustules on both my palms and soles, especially on the soles where the skin surface has thickened. The inner layer has yellow pustules that sometimes itch. When the thick skin is peeled off, it reveals pits and cracks that are very...
Dr. Jiang Zheen reply Dermatology
I'm not sure if your pustular condition is pustular psoriasis. There is a type of psoriasis that affects the palms and soles, which is a rather difficult skin condition to treat, as psoriasis itself is a chronic disease that is hard to eradicate. However, there are many trea...[Read More] Understanding Pustular Dermatitis: Causes, Symptoms, and Treatment Options
Itchy Blisters on Hands and Feet: Causes and Solutions Explained
Blisters on hands and feet with intense itching? Dear Dr. Jiang, Recently, I have been experiencing small blisters on the backs of my fingers, between my fingers, and at the base of my fingers (as well as on my feet). They are very itchy, and the itchiness is so intense that I ...
Dr. Jiang Zheen reply Dermatology
This is likely to be dyshidrotic eczema, which is often triggered by seasonal changes and manifests as hand eczema. You can apply some topical corticosteroids for eczema to help alleviate the symptoms. Wishing you well.[Read More] Itchy Blisters on Hands and Feet: Causes and Solutions Explained
Sudden Acne Outbreak: Causes, Concerns, and Treatment Options
Acne breakout Hello, doctor. My face suddenly developed a lot of acne within a day or two. I used to hardly have any acne. I have seen other dermatologists, but they were very dismissive and didn’t provide me with any information. The nurse said it is just acne, but could it poss...
Dr. Jiang Zheen reply Dermatology
Some patients still experience sudden breakouts of acne within a few days, which can sometimes be related to sudden hormonal imbalances, lack of sleep, stress, topical skincare products, sun exposure, and other factors. If your symptoms are severe, you should visit a dermatologis...[Read More] Sudden Acne Outbreak: Causes, Concerns, and Treatment Options
Can Sweat Spots Be Permanently Cured? Expert Insights for Summer Care
Tinea Versicolor Hello Dr. Jiang: Can sweat spots be completely cured? Summer is here again. Thank you.
Dr. Jiang Zheen reply Dermatology
Tinea Versicolor is not easily cured and often recurs every summer. Using antifungal cleansing products such as Selsun Blue shampoo or other antifungal body washes during the summer can help prevent its occurrence. Wishing you safety and health.[Read More] Can Sweat Spots Be Permanently Cured? Expert Insights for Summer Care
Understanding Itchy Hands and Feet: When to See a Dermatologist
Itching of the hands and feet? I have been experiencing itching in my hands and feet recently, but only after they are subjected to pressure, when I handle cold objects, or when I get wet from rain or groundwater. This was not an issue for me in the past. I have hepatitis B and h...
Dr. Jiang Zheen reply Dermatology
This could also be an allergic reaction, similar to urticaria. You should see a physician for diagnosis and treatment. Wishing you well.[Read More] Understanding Itchy Hands and Feet: When to See a Dermatologist
Can Warts Spread to the Genitals? Understanding Symptoms and Diagnosis
Can viral warts be felt in the genital area? Hello Doctor: I have a viral wart on my left hand. If I touch my private area, can the wart be transmitted? Yesterday, I noticed pain while urinating, and upon looking in the mirror, I found a cluster of bumps on the inner sides of my ...
Dr. Jiang Zheen reply Dermatology
Viral warts and genital warts are caused by the same category of viruses, but they are of different types. Molluscum contagiosum is caused by a different virus. Based on your description, you may have genital warts, so please see a dermatologist as soon as possible. Wishing you w...[Read More] Can Warts Spread to the Genitals? Understanding Symptoms and Diagnosis