Understanding Raised Skin Rashes on the Back of Your Hand
Rash with raised lesions on the back of the hand? Hello Doctor: About a day or two ago, I suddenly developed raised bumps on the back of my right hand. They are not red and do not resemble white blisters; they look like skin protrusions. They are not particularly itchy and are to...
Dr. Huang Ruiyun Reply:
Hello: I apologize, but according to regulations, online consultations cannot replace actual medical examinations and prescriptions. This rule is reasonable and is in place to protect patients. For now, I can only advise you to avoid any contact with cleaning agents and to freque...[Read More] Understanding Raised Skin Rashes on the Back of Your Hand
Understanding Red Patches on Your Baby's Neck: Causes and Care
There are patches of erythema on the neck? Hello Doctor: My baby is currently 6 months old. Initially, there was just a small red patch on the neck (with many tiny bumps on it that feel rough to the touch). I took him to see a dermatologist, who said that babies don't really...
Dr. Huang Ruiyun Reply:
Hello: Infants have short necks, making them prone to heat rash or eczema. Please avoid dressing the baby in too many layers to keep them cool, and ensure that any milk or saliva is wiped off promptly. It is best to avoid allowing the baby to inhale talcum powder or baby powder; ...[Read More] Understanding Red Patches on Your Baby's Neck: Causes and Care
Understanding Nighttime Skin Rashes: Causes and Solutions
Nighttime rash Hello, I have been experiencing episodes where I suddenly wake up due to itching, usually every two to three months, around early morning. I then notice that my face develops red rashes, similar in size to mosquito bites, covering my entire face. This quickly sprea...
Dr. Du Zhiqiang Reply:
Dear Jenny: Hello, you have developed a rash at night on your scalp, face, and body, which appears to be similar to urticaria (hives). There are many potential causes for urticaria, including dust, changes in weather, diet, and stress. Please come to the clinic for appropriate ...[Read More] Understanding Nighttime Skin Rashes: Causes and Solutions
Why Am I Breaking Out in Rashes While Exercising This Winter?
Rash on the skin during exercise without sweating? This winter, I've started to develop rashes all over my body whenever I exercise or get slightly warm. My skin becomes red and hot, and I only sweat from my forehead and back, while the rest of my body does not sweat at all,...
Dr. Huang Ruiyun Reply:
Hello: You may be suffering from cholinergic urticaria. If it is really bothersome, you can seek medical attention for medication management. Wishing you peace and good health.[Read More] Why Am I Breaking Out in Rashes While Exercising This Winter?
Managing Eczema and Seborrheic Dermatitis in Infants: A Parent's Guide
About Atopic Dermatitis Hello, doctor... I have a 5-month-old daughter. When she was over 2 months old, the doctor diagnosed her with atopic dermatitis and seborrheic dermatitis on her scalp. Initially, it manifested on her cheeks with redness and rough skin that seemed painful. ...
Dr. Huang Ruiyun Reply:
Hello: Thank you for your hard work! Parents with such a precious daughter are truly blessed. I'm not sure if you are exclusively breastfeeding, but if so, the mother should avoid consuming protein, cow's milk, peanuts, and soybeans. It's best to eat fruits and veg...[Read More] Managing Eczema and Seborrheic Dermatitis in Infants: A Parent's Guide
Understanding Lip Blisters: Causes, Symptoms, and Treatment Options
Morbilliform rash Hello, I would like to ask about a recent blister that has appeared on my upper lip. It feels red, swollen, and a bit painful. Is this a herpes lesion? If so, how should it be treated? Can I buy an over-the-counter ointment to apply?
Dr. Huang Ruiyun Reply:
Hello: 1. In theory, a diagnosis cannot be made without seeing the patient, so I cannot provide you with a diagnosis. 2. A simple rash in individuals with normal immunity typically resolves on its own in about two weeks. Wishing you peace and good health.[Read More] Understanding Lip Blisters: Causes, Symptoms, and Treatment Options
Understanding Alcohol-Induced Skin Reactions: Is It Alcohol Rash?
Itching after drinking alcohol? I drank a bottle of about 300ML of beer the night before last, and when I woke up the next morning, my palms were red and itchy, but only my palms had this condition. Could this be a beer rash? I have never experienced this before when drinking bee...
Dr. Huang Ruiyun Reply:
Hello: This is indeed an allergic reaction, but there is a simple yet cruel method to prove the cause, which is to drink the exact same alcohol again and see if the symptoms recur. However, if it were me, I would never try it again, because if the symptoms do recur, it might not ...[Read More] Understanding Alcohol-Induced Skin Reactions: Is It Alcohol Rash?
Persistent Itching: When to Seek Advanced Dermatological Care
Itching so intensely that I feel like I want to cut off my fingers!!! Hello, doctor. My middle finger was bitten by something similar to a mosquito during the summer (it should be a mosquito), and it itched for over a month. Later, I went to see a doctor who prescribed me a topic...
Dr. Huang Ruiyun Reply:
Hello: To heal from itchy rashes, the first and foremost rule is to avoid scratching. "No picking, no scratching" is essential for complete recovery. Many patients find this unreasonable; how can one not scratch when it itches? This is why the condition often does not i...[Read More] Persistent Itching: When to Seek Advanced Dermatological Care
Red Rash on the Front of the Lower Leg: Causes and When to Seek Treatment
Small red rashes appear on the front of the lower leg? Red rashes appearing on the front of the lower leg, without itching, could be caused by various conditions such as contact dermatitis, folliculitis, or even a mild allergic reaction. It is advisable to consult a healthcare pr...
Dr. Huang Ruiyun Reply:
Hello: According to regulations, a diagnosis cannot be made without a personal examination of the patient. Therefore, if you are truly troubled, you may want to visit a dermatologist in person. Wishing you peace and good health.[Read More] Red Rash on the Front of the Lower Leg: Causes and When to Seek Treatment
Understanding Skin Conditions: Managing Eczema, Acne, and Allergies
Regarding dermatological medications? Facial rashes resembling mosquito bites are itchy when they form, and later develop small pustules on top. The doctor indicated that the pustules are due to papular urticaria, while some rashes are acne, and others are classified as atopic de...
Dr. Huang Ruiyun Reply:
Hello: 1. These medications can be taken together. 2. These oral medications do not cause acne; it is possible that (1) the withdrawal symptoms from steroids have not yet resolved; (2) the original condition has worsened; (3) there is an overgrowth of follicular mites. 3. Current...[Read More] Understanding Skin Conditions: Managing Eczema, Acne, and Allergies
Understanding Bumps on the Glans: Causes and Concerns
Can the glans develop heat rash? Is frequent sexual activity causing this? This month, I have had relations with three different women (my wife, girlfriend, and an online acquaintance). In the past two days, I have noticed what looks like heat rash on my glans. It feels bumpy to ...
Dr. Huang Ruiyun Reply:
Hello: I apologize, but according to regulations, a physician cannot make a diagnosis without seeing the patient in person, so diagnoses cannot be made online. If you are truly concerned, please visit a urologist in person. Wishing you well.[Read More] Understanding Bumps on the Glans: Causes and Concerns
Understanding Pemphigus: Risks and Treatment for Elderly Patients
Pemphigus vulgaris The condition is more common in the elderly, with over 80% of patients being over 60 years old, followed by young children. Generally, there are no obvious prodromal symptoms, and mucosal lesions are rarely observed before the rash appears. However, prior to th...
Dr. Jiang Zheen Reply:
1. The article is basically correct. 2. Whether a patient can be hospitalized is a professional judgment made by each physician; it is not appropriate to make a diagnosis online without seeing the patient and reviewing relevant information.[Read More] Understanding Pemphigus: Risks and Treatment for Elderly Patients
Understanding Vasculitis: Causes, Symptoms, and When to Seek Help
Vasculitis I recently developed red rashes on both legs and consulted a dermatologist. The doctor suspects it is vasculitis and prescribed a topical medication, advising me to monitor any changes at home. However, I am still unclear about my condition, so I am reaching out for fu...
Dr. Huang Ruiyun Reply:
Hello: There are many causes of vasculitis, including medications, allergies, infections, autoimmune disorders, and so on. Additionally, there is a category labeled "idiopathic," where the cause remains unknown despite thorough investigation. If the rash gradually fades...[Read More] Understanding Vasculitis: Causes, Symptoms, and When to Seek Help
Understanding Steroid Rosacea: Treatment Challenges and Solutions
Steroid rosacea Hello, doctor. Since last August, I have been experiencing frequent skin rashes. After visiting several doctors, they all diagnosed it as eczema and prescribed mainly corticosteroids. My condition has been fluctuating, and I have had to visit the clinic almost eve...
Dr. Huang Ruiyun Reply:
Hello: If it is steroid-induced rosacea, there will initially be a transitional period. (The transitional period is not caused by the medication used to treat rosacea, but rather by withdrawal symptoms from stopping the steroids.) If you do not have a genetic predisposition to ro...[Read More] Understanding Steroid Rosacea: Treatment Challenges and Solutions
Understanding Scabies: Recurrence, Allergies, and Treatment Options
Scabies I previously underwent treatment for scabies and had a week of relief, but it seems I have been reinfested with scabies mites as I am experiencing frequent itching. I would like to ask: 1. How can I determine if this is a recurrence of scabies or an allergic reaction to t...
Dr. Zhang Zhibo Reply:
Hello: The best treatment for scabies is continuous treatment for at least 2-3 weeks. If new rashes appear two weeks after a single treatment, it indicates that there are still remaining mites on the body, and a second treatment is necessary. If there is only itching, it may indi...[Read More] Understanding Scabies: Recurrence, Allergies, and Treatment Options
Understanding Rashes: Are They Due to Skincare Product Reactions?
Rash If a rash develops after using medical cosmetic skincare products, could it be due to the skin not having adapted yet, or is it because the individual is not suited for these products? Some say it is due to underlying issues in the skin. What is the correct reason? Thank you...
Dr. Huang Ruiyun Reply:
Hello: If you develop a rash after applying a certain product to your skin, it is most likely a case of contact dermatitis. Contact dermatitis can be divided into two types: allergic contact dermatitis, which occurs when you are allergic to a specific ingredient, similar to how s...[Read More] Understanding Rashes: Are They Due to Skincare Product Reactions?
Understanding Shingles: When to See a Dermatologist for Treatment
Herpes Zoster - 2 Hello Doctor, thank you for your quick response. I still have some questions I would like to ask you: Initially, I thought it was an abdominal issue, so I consulted the gastroenterology department. Fortunately, I was not misdiagnosed. However, the doctor mention...
Dr. Zhang Zhibo Reply:
Hello: Herpes is often misdiagnosed as other conditions; for example, lesions on the back may be mistaken for lower back pain, and those on the chest may be confused with heart disease. Therefore, patients often first consult internal medicine physicians, orthopedic specialists, ...[Read More] Understanding Shingles: When to See a Dermatologist for Treatment
Understanding Shingles: Treatment Options and Recurrence Risks
Shingles Hello Doctor, I have just been diagnosed with shingles, and it has been a week since the onset. The blisters have not yet ruptured, and the affected area extends from my right rib cage to my back, causing severe unilateral neuropathic pain. I have heard that early treatm...
Dr. Zhang Zhibo Reply:
Hello: Herpes zoster, commonly known as shingles, is a reactivation of the varicella-zoster virus that occurs in individuals with weakened immune systems. This virus is one of the few microorganisms that can be effectively treated with antiviral medications. There are generally t...[Read More] Understanding Shingles: Treatment Options and Recurrence Risks
Understanding Marble Skin Disease: Causes and Treatment Options
White patches may appear on the elbow? From the back of the hand to the elbow, there are skin changes resembling marbled patterns with red and white spots. I previously consulted a dermatologist who mentioned something about "marble-like atopic" conditions, but I apolog...
Dr. Zhang Zhibo Reply:
Hello: Marble skin rash is more common in children, so the likelihood for your age is low. The red and white pattern resembles a tinea infection; it would be advisable to consult a few more physicians for further evaluation![Read More] Understanding Marble Skin Disease: Causes and Treatment Options
Understanding Small Red Rashes on Your Child's Chest: Causes and Care
Small red rashes all over the chest? Hello Dr. Huang: I have an eight-year-old boy at home who suddenly developed a large area of small red spots on his chest yesterday. They are neither painful nor itchy, and some have started to crust over. What could this be? Should we apply a...
Dr. Huang Ruiyun Reply:
Hello: I apologize, but according to regulations, a physician cannot make a diagnosis without personally examining the patient. If the child does not have symptoms such as fever, loss of appetite, decreased activity, or seizures, you may continue to observe. If any of the aforeme...[Read More] Understanding Small Red Rashes on Your Child's Chest: Causes and Care