Understanding Winter Itch: Managing Cholinergic Urticaria Symptoms
Feeling itchy all over when it gets warm in winter? Doctor, I experience a prickly and itchy sensation all over my body during winter whenever I get warm. It's unbearable, especially when I eat outside in the cold and then consume hot food, which triggers discomfort. The pri...
Dr. Huang Ruiyun Reply:
Hello: You may have cholinergic urticaria. While this condition may not be completely curable, many cases can improve with medication. The newer medications have fewer side effects compared to earlier ones and can be taken long-term, so there is no need to be afraid of seeking me...[Read More] Understanding Winter Itch: Managing Cholinergic Urticaria Symptoms
Understanding Cholinergic Urticaria: Symptoms and Treatment Options
Cholinergic urticaria What is cholinergic urticaria? Do the symptoms feel like a stinging itch?
Dr. Cai Changlin Reply:
Hello, regarding your question, I would like to respond as follows: Cholinergic urticaria is a type of physical urticaria, often triggered by heat or sweating. The symptoms are similar to those of general urticaria, including itching and skin lesions. The exact cause of cholinerg...[Read More] Understanding Cholinergic Urticaria: Symptoms and Treatment Options
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 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
Understanding Itchy Bumps: Possible Causes and Solutions
It feels like a swarm of mosquitoes biting..? I have developed numerous itchy bumps on my arms and legs that resemble mosquito bites. They are located on the inner thighs, back of the calves, knees, elbows, wrists, arms, chin, and back—approximately 20 areas in total. The itching...
Dr. Zhang Zhibo Reply:
Hello, Little Lamb: The condition you described is likely acute urticaria-like skin disease, which can be caused by insect bites or allergic reactions related to food, medication, or environmental factors. It is recommended to use cold compresses to relieve itching; if the itchin...[Read More] Understanding Itchy Bumps: Possible Causes and Solutions
Understanding Chronic Urticaria: Treatment Options and Management Tips
Regarding urticaria..? Hello Dr. Chang, my boyfriend has been suffering from urticaria for nearly three months now. His symptoms include redness, swelling, and itching in large welts on exposed areas of his skin whenever he is exposed to cold air (for example, when riding a motor...
Dr. Zhang Zhibo Reply:
Dear Sakura, the symptoms you described are indicative of physical urticaria, specifically chronic cold urticaria. This condition involves an exaggerated response to cold stimuli, which can lead to severe reactions such as angioedema: swelling of the lips, periorbital edema, and ...[Read More] Understanding Chronic Urticaria: Treatment Options and Management Tips
Effectiveness of Acyclovir vs. Diflucan for Treating Shingles
Measles Which of the two medications, Acyclovir or Valacyclovir, is more effective for herpes zoster? What are the side effects? Is topical hydrocortisone effective for herpes zoster? Can it be used in combination with these medications?
Dr. Zhang Zhibo Reply:
Dear Q: Xyzal (levocetirizine dihydrochloride) 5mg is a third-generation antihistamine derived from the second-generation Zyrtec (cetirizine 10mg), which improves upon the sedation and dizziness side effects associated with the second generation. The package insert states that cl...[Read More] Effectiveness of Acyclovir vs. Diflucan for Treating Shingles
Understanding Skin Bumps: Causes and Solutions for Your Concerns
Skin has raised bumps? Hello, doctor... I often have lumps on my skin that feel like they are swelling from the inside. They can be large or small, and sometimes they appear on my hands, back, and lips. Why is this happening? My diet is the same as before, and I haven't eate...
Dr. Zhang Zhibo Reply:
Hello Mingfu, your issue is likely urticaria, which can sometimes be caused by medications, infections, or environmental allergens, not necessarily food-related. I recommend consulting a dermatologist to confirm the diagnosis and receive appropriate treatment. Thank you for your ...[Read More] Understanding Skin Bumps: Causes and Solutions for Your Concerns
Do Subcutaneous Cysts Recur? Understanding Symptoms and Concerns
Will a subcutaneous cyst recur? Two years ago, I had a subcutaneous cyst removed at the hospital. It was actually a very small black dot, and the doctor said that to remove it, they would have to cut it in a crescent shape, which would result in a larger scar. I was advised to th...
Dr. Cai Changlin Reply:
Hello: Regarding your question, it is difficult to understand the current condition of your scar based on your letter. Surgical scars tend to become less noticeable over time. There are also medications available to manage urticaria. I recommend that you visit a nearby dermatolog...[Read More] Do Subcutaneous Cysts Recur? Understanding Symptoms and Concerns
Understanding Sun-Induced Skin Redness: Causes and Solutions
Photodermatitis Hello, doctor. My brother is currently 28 years old and about three years ago, he discovered that after being exposed to sunlight for about three hours, he develops "skin erythema." There are no raised areas, blisters, or any unusual sensations, and it i...
Dr. Hong Zhengsheng Reply:
Hello, Photodermatitis, polymorphic light eruption, or solar urticaria are all possible causes. I apologize for not being able to provide a diagnosis based solely on your description. To confirm the diagnosis of these skin conditions, a skin biopsy is usually necessary. My best...[Read More] Understanding Sun-Induced Skin Redness: Causes and Solutions
Can Urticaria Be Cured? Allergy Testing and Costs Explained
Urticaria Can urticaria be cured? Is it possible to test for allergens? What are the costs and the items included in the tests? This is a concern for me, thank you!
Dr. Zhang Zhibo Reply:
Hello: To briefly answer your questions: 1. Can urticaria be cured? Urticaria can be classified into "acute" urticaria, which typically resolves within a few days to one or two weeks. If it lasts longer than six weeks, it is referred to as "chronic" urticaria...[Read More] Can Urticaria Be Cured? Allergy Testing and Costs Explained
Understanding Sweat Spots and Skin Issues: Causes and Treatments
Sweat spots and related issues? 1. How does tinea versicolor occur, and what are the treatment options? 2. Can isotretinoin gel (vitamin A acid) also improve blackheads? 3. Does a mosquito bite cause redness and swelling? Is it sufficient to apply ointment, or is it necessary...
Dr. Zhang Zhibo Reply:
Hello: Here are simple answers to your questions. 1. How does tinea versicolor occur and how is it treated? Tinea versicolor is a fungal skin infection that presents as red, slightly scaly rashes, typically located on the back and chest, and in some cases, on the arms. Due to t...[Read More] Understanding Sweat Spots and Skin Issues: Causes and Treatments
Understanding Allergic Skin Reactions: Causes and Solutions
Skin issues I have a history of allergies, and recently my body has suddenly become very itchy. When I scratch my skin, red, swollen bumps appear, affecting my hands, feet, and body. It seems to improve a bit when I'm in an air-conditioned room. I remember this happening eve...
Dr. Hong Zhengsheng Reply:
Hello, Urticaria, localized dermatitis, and localized fungal-related symptoms are all possible causes. The best advice is to consult a dermatologist you trust. I recommend that when you notice the described symptoms on your skin, you should promptly visit a public hospital in y...[Read More] Understanding Allergic Skin Reactions: Causes and Solutions
Understanding Skin Redness After Alcohol Consumption: Causes and Solutions
Skin A few days ago, I consumed alcoholic beverages, but after a while, some areas of my body became red. What could be the reason for this? Is there a way to improve it?
Dr. Hong Zhengsheng Reply:
Hello, Xiao Bai: Alcohol dermatitis, urticaria, eczema... are all possible causes. I apologize for not being able to provide a diagnosis based solely on your description. The best advice for you is to consult a dermatologist you trust. I recommend that when you notice the symptom...[Read More] Understanding Skin Redness After Alcohol Consumption: Causes and Solutions
Understanding Cholinergic Urticaria: Symptoms and Management Insights
Regarding the issue of cholinergic urticaria? Hello, my condition is similar to "cholinergic urticaria," where my skin itches all over due to an increase in room temperature or body temperature (the itching is not localized, resembling needle-like pricks). Cooling down ...
Dr. Huang Ruiyun Reply:
Yes. You're welcome.[Read More] Understanding Cholinergic Urticaria: Symptoms and Management Insights
Understanding Raynaud's Phenomenon: Symptoms, Diagnosis, and Treatment Options
Raynaud's phenomenon Dear Director Hong, I have been troubled by chronic urticaria for the past few years. In addition to developing hives all over my body, I also experience redness and swelling in the fingers and palms of my hands (as well as in the area around my ears). ...
Dr. Hong Zhengsheng Reply:
Hello Peter Chen: The best advice is to find a trusted rheumatologist and schedule an appointment. I apologize, but based on your description, it is not possible to determine your exact condition. Answers found online can only speculate based on the information provided and perso...[Read More] Understanding Raynaud's Phenomenon: Symptoms, Diagnosis, and Treatment Options
Understanding Heat Allergy: Symptoms and Relief Options
Is it heat allergy? If the weather is hot or after taking a hot shower, I experience itching all over my body, along with redness and swollen patches that are very uncomfortable. What can I do to improve this condition? I've had this issue since childhood, especially during ...
Dr. Huang Ruiyun Reply:
You are likely experiencing cholinergic urticaria. You can see a dermatologist for medication management, but you cannot obtain a certificate to excuse you from attending classes.[Read More] Understanding Heat Allergy: Symptoms and Relief Options
Understanding Allergy Testing: Coverage and Procedures Explained
Regarding allergy testing issues? Dr. Jiang: Hello! I would like to ask you about my long-standing allergy issues (approximately 20 years), which have been fluctuating in severity. I have been relying on medication, but recently the symptoms have worsened. Previously, a doctor di...
Dr. Jiang Yujiao Reply:
Hello: In response to your question, the cause of urticaria is related to allergic constitution, and routine allergy blood tests may not identify the specific allergens. Urticaria can be triggered by medications (such as aspirin, sulfonamides, penicillin, etc.), as well as by con...[Read More] Understanding Allergy Testing: Coverage and Procedures Explained
Unexplained Itchy Rash: Causes and Solutions for Skin Irritation
Unexplained rash Every morning when I wake up, my body feels very itchy, almost like I've been bitten by mosquitoes. However, I wear long sleeves and long pants, and I cover myself with a blanket, yet my back, thighs, and buttocks still feel like they've been bitten by ...
Dr. Huang Ruiyun Reply:
Urticaria. If it is very bothersome, you can see a dermatologist and take medication to control the symptoms.[Read More] Unexplained Itchy Rash: Causes and Solutions for Skin Irritation