Understanding Scalp Issues: Causes of Flaky Skin and When to See a Doctor
Scalp Sometimes the scalp seems to have dandruff, and when scratched, it bleeds a little and becomes red. What could be the cause of this? Is it necessary to see a doctor?
Dr. Zhang Zhibo Reply:
Hello: This is what is known as "seborrheic dermatitis." It can be treated with anti-dandruff shampoos. For the scalp rash, topical corticosteroid solutions can be applied. However, if there is bleeding from scratching, it is important to be aware of the risk of skin in...[Read More] Understanding Scalp Issues: Causes of Flaky Skin and When to See a Doctor
Understanding Itchy Skin: Causes and Solutions from Dermatology Experts
My skin is itchy (forwarded from the Director's mailbox)? I'm not sure why. Is it due to medication or something else? Can you assist me?
Dr. Zhang Zhibo Reply:
Hello Ms. Chen: Skin itching is one of the most common reasons for seeking medical attention. If it is caused by medication, it could be "urticaria" or "erythema multiforme," as well as "drug-induced exanthema" and "Stevens-Johnson syndrome,&quo...[Read More] Understanding Itchy Skin: Causes and Solutions from Dermatology Experts
Postpartum Rash: Causes and Treatment for Itchy Skin After Delivery
Postpartum rash Hello, doctor. The day after giving birth, I developed some small rashes on my stretch marks on my abdomen and thighs. These rashes are extremely itchy, and scratching them only makes more appear, gradually spreading to my hands and feet. I consulted with my obste...
Dr. Zhang Zhibo Reply:
Hello: Approximately one in five women experience skin itching during pregnancy or shortly after giving birth. Not all skin conditions in pregnant women are directly related to pregnancy. In fact, most pregnant women’s skin itching is caused by common skin disorders that are not ...[Read More] Postpartum Rash: Causes and Treatment for Itchy Skin After Delivery
Understanding Red Spots: Could They Indicate Lupus or STDs?
Purpura Doctor Zhang: Hello, I have several areas of erythema on my arms, waist, and chest. They are not itchy or painful. Could this be related to lupus erythematosus or a sexually transmitted infection? I have heard that tertiary syphilis can present this way. Is that correct? ...
Dr. Zhang Zhibo Reply:
Hello Simon: The description of "red spots, not itchy or painful" is quite common and has many possible causes. Regarding the two conditions you mentioned, let me explain: The rashes associated with lupus erythematosus can present in various forms, with typical manifest...[Read More] Understanding Red Spots: Could They Indicate Lupus or STDs?
Persistent Lip Issues: Causes, Treatments, and Solutions
Lip issues Hello, doctor: Ever since I borrowed someone else's lip balm, my lips have been persistently red, swollen, peeling, and developing rashes. I have seen a dermatologist and received medication, but I have to use it continuously for it to be effective (it's been...
Dr. Jiang Zheen Reply:
It is recommended to have a consultation with the dermatologist who prescribed the medication to identify the issues and discuss possible solutions.[Read More] Persistent Lip Issues: Causes, Treatments, and Solutions
Can Surgery for Body Odor Cure Summer Eczema? Expert Advice
Dyshidrotic eczema and bromhidrosis? I have summer sweat dermatitis and hereditary body odor. If I undergo surgery for body odor, will it cure my sweat dermatitis? What type of surgery is suitable for my body odor? Please provide some suggestions. Thank you.
Dr. Huang Ruiyun Reply:
Hello: The surgery for axillary odor is not related to sweat rashes. For information regarding axillary odor surgery, please consult a plastic surgeon. Wishing you peace and health.[Read More] Can Surgery for Body Odor Cure Summer Eczema? Expert Advice
Understanding Non-Itchy Red Bumps on Inner Thigh: Allergy Insights
There are several small red bumps on the inner thigh? Hello, Doctor: I have noticed in the past couple of days that there are no visible bumps on the surface of my skin! It feels smooth to the touch, but I can sense a small lump beneath the skin. It is neither itchy nor painful. ...
Dr. Zhang Zhibo Reply:
Hello: If the treatment for a skin disease is ineffective, it is better to perform a biopsy to confirm the diagnosis rather than relying on guesswork![Read More] Understanding Non-Itchy Red Bumps on Inner Thigh: Allergy Insights
Understanding Itchy and Painful Skin Symptoms: Causes and Tests
I'm sorry, but I need specific content to translate The symptoms of itching and pain in the skin, which typically occur during hot weather and can also be triggered by emotional states (such as extreme happiness or anxiety), particularly affecting the back of the hands and f...
Dr. Jiang Yujiao Reply:
Hello: During hot weather, the skin may experience symptoms of itching and pain, and similar sensations can occur during emotional changes. I believe this is an allergic reaction, which is a type of constitutional response. Generally, blood tests cannot identify the cause. Antihi...[Read More] Understanding Itchy and Painful Skin Symptoms: Causes and Tests
Managing Hives: Foods to Avoid and Key Tips for Relief
Please help me? Urticaria, commonly known as hives, can be triggered by various factors, including certain foods. It is advisable to avoid the following types of foods if you are experiencing frequent hives: 1. **Shellfish**: Such as shrimp, crab, and lobster. 2. **Nuts**: Parti...
Dr. Jiang Yujiao Reply:
Hello: Urticaria, commonly known as hives, is an allergic skin condition that is a personal physiological response. According to Dr. Chiu Chia-Yu from the Dermatology Department of National Taiwan University, the causes of urticaria are typically associated with type I hypersensi...[Read More] Managing Hives: Foods to Avoid and Key Tips for Relief
Understanding Scabies Testing and Diagnosis: What You Need to Know
Regarding scabies testing..? Hello, doctor. I would like to ask you: 1. Recently, I have developed several itchy rashes on my body, and occasionally, the glans also itches (but I can't find any rashes). I'm worried it might be scabies, but I would like a more definitive...
Dr. Zhang Zhibo Reply:
Hello: Scabies is generally diagnosed clinically. If suspected, treatment is initiated with medication. Teaching hospitals may use KOH microscopy (scraping examination) for diagnosis, but the detection rate varies among individuals. The latest method involves confocal microscopy,...[Read More] Understanding Scabies Testing and Diagnosis: What You Need to Know
Understanding Eczema in 10-Month-Olds: Cortisol Cream Concerns
Atopic dermatitis in a ten-month-old baby and cortisol? Hello, Dr. Huang. I have allergic rhinitis and an allergic constitution (sometimes my whole body turns red and itchy). My baby boy, who just turned ten months old, has recently developed a red rash on his neck (the area wher...
Dr. Huang Ruiyun Reply:
Hello: One of the definitions of atopic dermatitis is "chronic," meaning it recurs over a long period. A skin condition that lasts only two or three days cannot be classified as "atopic dermatitis," and it should be monitored. If it recurs over two or three ye...[Read More] Understanding Eczema in 10-Month-Olds: Cortisol Cream Concerns
Understanding Chest Rash: Causes and Treatment Options
Chest rash Hello Dr. Chang: I have three or four small red bean-sized lesions on my chest that have been present for over a year. Recently, a new one has started to develop, and it hurts when I press on it. What could this be?
Dr. Zhang Zhibo Reply:
Hello: What you are referring to is likely folliculitis, which can be caused by common skin bacteria, fungi, viruses, etc. If the treatment has not been effective after more than a year, a biopsy can be performed, and treatment can be based on the results of the examination![Read More] Understanding Chest Rash: Causes and Treatment Options
Understanding and Managing Urticaria in Young Children: A Parent's Guide
Skin rash Hello Dr. Zhang, My daughter is currently one year and two months old. Two weeks ago, she had a cold with symptoms of a runny nose and nasal congestion. After taking Secorine syrup for two days, I noticed red rashes on her back while bathing (scattered across her enti...
Dr. Zhang Zhibo Reply:
Hello: The cold medicine for your daughter does not contain ingredients that are likely to cause hives. Viral infections can also lead to hives, which will typically resolve on their own within a month, so there is no need to worry. However, do not stop the allergy medication too...[Read More] Understanding and Managing Urticaria in Young Children: A Parent's Guide
Understanding Unilateral Facial Rashes: Causes and Concerns
Facial rash, present only on the right side of the face? Hello Doctor: In the past month, I have developed 5-7 red spots on the right side of my face, specifically near the right side of my mouth. These spots are about the size of a typical mole, but they are neither itchy nor pa...
Dr. Lin Mingxiu Reply:
Hello: 1. There are many possible causes for facial rashes, including acne, folliculitis, eczema, insect bites, and rosacea. Based on your description, the bump on your right hand is most likely an insect bite or eczema. A definitive diagnosis should be confirmed by a dermatolo...[Read More] Understanding Unilateral Facial Rashes: Causes and Concerns
Red Dots on Palms: Causes, Symptoms, and When to See a Doctor
Red spots on the palm? The doctor would like to ask if my palms seem to be allergic to something dirty, as both of my palms are covered with red spots, while my fingers are fine. It becomes particularly itchy when I sweat or come into contact with water, but it's not as bad ...
Dr. Zhang Zhibo Reply:
Hello: Your symptoms are more indicative of contact dermatitis. If it were a viral infection like enterovirus, you would typically experience gastrointestinal symptoms along with sore throat or blisters on the palms and soles (though symptoms in adults are usually not pronounced)...[Read More] Red Dots on Palms: Causes, Symptoms, and When to See a Doctor
Understanding Scrotal Redness and Skin Irritation: Causes and Solutions
Scrotal redness and swelling? Recently, I've been experiencing irritation in the groin area, including the inner thighs and waist. Could it be related to the weather? However, the strangest part is that I've developed red bumps on my scrotum, which are also itchy. The m...
Dr. Zhang Zhibo Reply:
Hello, Den: Your issue might be tinea corporis (cutaneous fungal infection). It's harder to determine the cause of the rash on the scrotum without seeing it, but if it's itchy, you can use cold water to relieve the itching![Read More] Understanding Scrotal Redness and Skin Irritation: Causes and Solutions
Understanding the Differences Between Folliculitis and Acne: Your Dermatology Questions Answered
I have a few more questions to ask the doctor? Thank you for the doctor's response, but I still have a few questions. I recently noticed that the bumps on my body that resemble acne do not look like typical acne. They are small and appear on my chest, upper left arm, and thi...
Dr. Zhang Zhibo Reply:
Hello: If you have concerns about the rash on your body, it is best to consult a physician, as the affected area may also indicate keratosis pilaris: http://www.dermnetnz.org/acne/keratosis-pilaris.html. This condition is related to allergic tendencies; some individuals may not e...[Read More] Understanding the Differences Between Folliculitis and Acne: Your Dermatology Questions Answered
Understanding Heat Rash: Causes, Symptoms, and Treatment Options
Is this dyshidrotic eczema? Hello, doctor! I am someone who enjoys outdoor activities, but I have a problem that has been bothering me. Whenever I go out and get too much sun exposure or if it’s too hot, my hands start to develop red rashes after the activity. This used to happen...
Dr. Zhang Zhibo Reply:
Hello Ms. Tsai: You may be experiencing urticaria caused by sunlight. As long as you take proper sun protection measures and apply anti-itch powder and topical medications for eczema when the rash occurs, it can be treated. If you frequently develop rashes due to sunlight, it is ...[Read More] Understanding Heat Rash: Causes, Symptoms, and Treatment Options
Can Intense Sexual Activity Trigger Folliculitis?
Folliculitis after sexual intercourse? Hello, Doctor: After a particularly intense sexual encounter last year, I may have been overly excited, and the next day I developed numerous red rashes on my chest, back, and neck. A physician diagnosed it as folliculitis, and it has not re...
Dr. Zhang Zhibo Reply:
Hello: Skin lesions caused by excessive excitement should resemble urticarial reactions. Follicular inflammation should not occur immediately, and I have not encountered folliculitis caused by sexual activity. If there are reasons for folliculitis that differ from the usual cause...[Read More] Can Intense Sexual Activity Trigger Folliculitis?
Understanding Childhood Skin Issues: Allergies and Urticaria in Toddlers
Pediatric Dermatology The child is currently 1 year and 6 months old. Since a long time ago, the child has been experiencing recurring small red spots similar to mosquito bites. We took them to a dermatologist, who suggested it might be urticaria or a food allergy. However, this ...
Dr. Huang Ruiyun Reply:
Hello: The causes of urticaria (hives) are not easy to identify. The common practice of conducting blood tests for allergens is a misconception; these tests are used for allergic rhinitis and asthma, not for urticaria. Young children have a higher chance of food allergies. If pos...[Read More] Understanding Childhood Skin Issues: Allergies and Urticaria in Toddlers