Understanding Eczema: Why Does It Cause Hard Skin and Peeling?
Eczema Hello, doctor! I would like to ask why, when my eczema improves, it forms hard patches and also peels?
Dr. Huang Ruiyun Reply:
Metabolism and decreased moisture levels in the stratum corneum can be addressed by applying petroleum jelly.[Read More] Understanding Eczema: Why Does It Cause Hard Skin and Peeling?
Is Perming Hair Harmful to Hair Quality and Scalp Health?
Perming hair issues? Hello, doctor! I'm not sure if this question is for a dermatologist, but I would like to ask if perming hair (like a corn silk perm) causes significant damage to hair quality? Does it also harm the scalp?
Dr. Huang Ruiyun Reply:
Hello: The purpose of perming hair is to change its curliness or straightness, which inevitably causes some degree of damage to the hair, requiring the stylist to exercise proper technique. Fortunately, hair continuously regenerates, so as long as perming is not done too frequent...[Read More] Is Perming Hair Harmful to Hair Quality and Scalp Health?
Understanding Foot Conditions: Is It Dyshidrotic Eczema or Athlete's Foot?
excuse me? Is the presence of small bumps on my toes a sign of dyshidrotic eczema? I have a history of chronic eczema on my toes, but I have never experienced anything resembling dyshidrotic eczema before. I have been applying the steroid cream prescribed by my doctor for almost ...
Dr. Zhang Zhibo Reply:
Hello: Hong Kong foot is known as "tinea pedis." In addition to causing peeling, it can also trigger allergic reactions such as dyshidrotic eczema, which is an extremely itchy skin condition. If topical medication provides some improvement, it is advisable to continue t...[Read More] Understanding Foot Conditions: Is It Dyshidrotic Eczema or Athlete's Foot?
Understanding Chronic Eczema: Signs, Management, and Treatment Options
Eczema Hello, I have been experiencing chronic eczema on my toes, and recently it seems to have relapsed with small blisters, which is likely dyshidrotic eczema. I would like to ask, as my previous doctor prescribed topical steroids and mentioned to apply them at the onset of a f...
Dr. Jiang Yujiao Reply:
Dear Mr. Lai: You have developed a sweat rash on your toes, which is likely due to a constitutional predisposition, commonly associated with allergic tendencies. This condition often occurs in late spring to early summer and can be triggered by irritation or heat in the foot area...[Read More] Understanding Chronic Eczema: Signs, Management, and Treatment Options
Persistent Itching at the Base of the Penis: Possible Causes and Concerns
I have been troubled for a long time and really don't know the reason? My penis base started itching the day after I had protected sexual intercourse with an unfamiliar woman. The itching is more pronounced when walking and less severe when sitting. When I look at the itchy ...
Dr. Hong Zhengsheng Reply:
Hello, Xiao Zhang: The symptoms related to localized folliculitis, localized fungal infections, localized eczema, scabies, and localized skin neuritis are all potential causes. As for symptoms of syphilis or other sexually transmitted diseases, these can be diagnosed and treated ...[Read More] Persistent Itching at the Base of the Penis: Possible Causes and Concerns
Understanding Persistent Itching: Possible Causes and Concerns
I don't know what disease it is? Hello Dr. Chang: My penis has been itching at the base since the day after I had protected sexual intercourse with a stranger. The itching is more pronounced when I walk, and it is less severe when I am sitting. When I check the itchy area, i...
Dr. Zhang Zhibo Reply:
Hello: The symptoms you described make it difficult to determine if it is a lice issue. If it is pubic lice, typically shaving the area and applying medication for 1-2 days should suffice, as pubic lice lay eggs and can also cause dermatitis symptoms (eczema). It is important to ...[Read More] Understanding Persistent Itching: Possible Causes and Concerns
Understanding Sudden Onset of Dyshidrotic Eczema: Causes and Health Signals
I apologize, but I need to clarify your question regarding dyshidrotic eczema? Hello! Thank you for your insightful response~ I have benefited greatly and gained a better understanding of this symptom! However, I would like to learn more about the causes of its occurrence. Why ha...
Dr. Zhang Zhibo Reply:
Hello, Xiaojuan: Hand eczema and contact allergens (such as cleaning agents, medications, dirty objects, etc.) are related. One type is constitutional, meaning that even minimal exposure can trigger a strong allergic reaction (with red, itchy rashes, and in severe cases, blisters...[Read More] Understanding Sudden Onset of Dyshidrotic Eczema: Causes and Health Signals
Dealing with Acne on Your Back: Causes and Solutions
Acne on the back? Hello, is there something wrong with my skin? I mostly have acne on my back, and occasionally a few on my face. Now it's even affecting my arms. What should I do? Please help me!
Dr. Hong Zhengsheng Reply:
Hello, Folliculitis, keratosis pilaris, localized tinea infections, and localized eczema are all potential causes. I apologize for not being able to provide a diagnosis based solely on your description. The best advice is to consult a dermatologist you trust. I recommend that...[Read More] Dealing with Acne on Your Back: Causes and Solutions
Unusual Bumps on Heels: Causes and Treatment Options Explained
There is a strange growth on the heel? Hello Dr. Chang, I would like to ask you a question: I have developed small blisters on the heels of both feet, which later merged into large pus-filled lesions. The surrounding area is somewhat itchy, but the pus-filled areas are painful wh...
Dr. Zhang Zhibo Reply:
Hello, Xiao Juan: The symptoms you described are consistent with dyshidrotic eczema (pompholyx). The causes can be attributed to an atopic constitution (such as asthma, allergic rhinitis, allergic conjunctivitis, or dermatitis) or an allergic reaction due to a tinea pedis (athlet...[Read More] Unusual Bumps on Heels: Causes and Treatment Options Explained
Understanding Itchy Skin: Causes and Care for Genital Discomfort
The skin is very itchy? Hello, Dr. Hong. The skin in the small area between my scrotum and the top of my anus has become red and itchy since this past Monday. When I shower, the water hitting that area causes a stinging sensation. I went to see a doctor, but they didn't spec...
Dr. Hong Zhengsheng Reply:
Hello, Phile: Skin tinea, eczema, localized keratosis abnormalities, localized small nerve abnormalities related to the skin, and localized infectious skin conditions are all possible causes. I apologize for not being able to provide a diagnosis based solely on your description. ...[Read More] Understanding Itchy Skin: Causes and Care for Genital Discomfort
Multiple Bumps in the Groin: Causes and Concerns Explained
There are several lumps in the groin area? Hello doctor, the night before last, I suddenly developed several bumps under my right groin area, and they were very itchy. However, when I woke up the next day, they had all disappeared. I also applied some antifungal cream because I h...
Dr. Hong Zhengsheng Reply:
Hello: Localized eczema, localized tinea cruris, localized vascular-related abnormalities, insect bites, bedbug bites, localized contact dermatitis... are all possible causes. I apologize for not being able to provide a diagnosis based solely on your description. [Finding a derma...[Read More] Multiple Bumps in the Groin: Causes and Concerns Explained
Understanding Seasonal Blisters: Causes and Treatments for Skin Issues
Blister Every time the seasons change (from spring to summer or autumn to winter), blisters appear on the sides of my fingers, on the skin above my fingernails, and on my palms. Why does this occur specifically during the change of seasons?
Dr. Hong Zhengsheng Reply:
Hello GL: Hand eczema, hand tinea, dyshidrotic eczema, and other keratinization disorders of the hands are all possible causes. I believe that during seasonal changes, due to unstable weather conditions and significant fluctuations in humidity and temperature, it is easier for th...[Read More] Understanding Seasonal Blisters: Causes and Treatments for Skin Issues
Understanding Unusual Skin Growths on Your Hands: When to Seek Help
I have developed something strange on my hand? Hello Dr. Hong, I recently noticed small, hard, transparent bumps on a specific area of my palm. They are very concentrated and protruding, but they do not hurt when pressed. I had a similar experience a while ago with one or two bu...
Dr. Hong Zhengsheng Reply:
Hello, Min: Q: In your letter, you mentioned, "I recently discovered something on my palm..." A: "Finding a trusted dermatologist for an in-person consultation" is the best advice for you. I apologize, but based on your description, I cannot determine your ...[Read More] Understanding Unusual Skin Growths on Your Hands: When to Seek Help
Understanding Cracked Heels: Causes, Treatments, and Vaseline Benefits
Question What causes some women to have rough cracks on the soles of their feet? How can it be treated? Additionally, what is the function of petroleum jelly? It seems there are many different types of petroleum jelly on the market, and can patients with Fabry disease use it?
Dr. Zhang Zhibo Reply:
Hello: Cracked heels are a common complaint among many patients. The causes typically include fungal infections such as athlete's foot or occupations involving frequent contact with cleaning agents and water. In younger individuals, allergic predisposition should be consider...[Read More] Understanding Cracked Heels: Causes, Treatments, and Vaseline Benefits
Understanding Hives: Causes, Symptoms, and Clinical Manifestations
Rash Hello, Doctor! You mentioned that if urticaria persists for more than 24 hours without resolution, it can lead to vasculitis, which is the cause of the stinging and itching sensations. Of course, dryness and eczema can also cause itching, but we need to observe the clinical ...
Dr. Zhang Zhibo Reply:
Hello: It is best to attach a photo when asking questions online, as it makes it easier to provide an accurate diagnosis. I recommend finding a trusted physician for diagnosis and treatment, as there are many possible conditions that could cause red spots, making it difficult to ...[Read More] Understanding Hives: Causes, Symptoms, and Clinical Manifestations
Understanding Urticaria: Does It Cause Skin Itching?
Urticaria Hello! Can hives cause skin itching? I saw a doctor who said it was hives, but I have had chronic hives in the past and did not experience this prickling sensation. I'm not sure if hives can also have this symptom.
Dr. Zhang Zhibo Reply:
Hello: If urticaria persists for more than 24 hours, the resulting vasculitis may be the cause of the pain and itching. Of course, dryness and eczema can also lead to itching sensations, but clinical manifestations must be observed to make a definitive diagnosis![Read More] Understanding Urticaria: Does It Cause Skin Itching?
Understanding Skin Irritation: Causes and Solutions for Red Bumps
Skin prick test Hello: When the weather is hot and humid, my skin feels prickly (mainly on the upper body), and later small red rashes appear. Why does this happen, and how can I improve it?
Dr. Zhang Zhibo Reply:
Dear love 2007tt, The issue you are inquiring about is quite common and related to eczema caused by sweating in hot weather: miliaria, also known as heat rash. It occurs due to the obstruction of sweat ducts and the proliferation of Staphylococcus on the skin's surface. In ...[Read More] Understanding Skin Irritation: Causes and Solutions for Red Bumps
Understanding Skin Issues: Heat Rash, Allergies, and Moisturizing Solutions
Skin issues Hello: The rash you mentioned and the pictures you provided show that my red spots are small and differ from the images. The main issue is that they become very itchy when it's hot. I have seen a doctor, and some doctors said it is heat allergy, a type of urticar...
Dr. Zhang Zhibo Reply:
Hello: Heat rash, which is a type of eczema related to heat, primarily involves basic treatment that focuses on removing triggering factors and keeping the skin dry and the environment well-ventilated. The use of topical anti-itch medications or mild topical corticosteroids can i...[Read More] Understanding Skin Issues: Heat Rash, Allergies, and Moisturizing Solutions
Can Alpha Hydroxy Acid Help with Acne for Allergic Skin?
Alpha hydroxy acid (AHA) I would like to ask! I have pimples all over my body! I have seen many dermatologists without any effective results! Sometimes I also get them on my neck! Why is that? One dermatologist suggested that I try glycolic acid lotion!!! But I have sensitive ski...
Dr. Zhang Zhibo Reply:
Hello, Pudding: Regarding the issue you mentioned, it seems to be a case of folliculitis. The questions of whether it itches or hurts are commonly asked! If the folliculitis is uniform and slightly itchy, you might consider seborrheic folliculitis, which can be caused by allergic...[Read More] Can Alpha Hydroxy Acid Help with Acne for Allergic Skin?
Understanding Eczema: Causes of Thickening and Peeling Skin on Toes
Eczema 1. The reason your eczema-affected toes become rough and peel after applying the ointment could be due to several factors, including irritation from the medication, an allergic reaction, or the natural progression of eczema itself. It's important to monitor how your s...
Dr. Zhang Zhibo Reply:
Hello, online user: Eczema that has not healed for a long time can lead to chronicity, commonly known as "psoriasis," characterized by thickening and lichenification. This is a normal skin response to inflammation and can also result in hyperpigmentation (darkening of t...[Read More] Understanding Eczema: Causes of Thickening and Peeling Skin on Toes