Understanding Drug Allergies: Symptoms, Duration, and Dietary Considerations
Suspected drug allergy Dr. Huang: On September 13, I experienced chills and took a cold medicine (a Japanese original product, Yaxinbao cold soft capsules) that I had never taken before. On the morning of September 14, I woke up to prepare for work and noticed itching on my body....
Dr. Huang Ruiyun Reply:
Hello: This is urticaria, which can have many possible causes, including medications and the common cold. The duration of the condition can vary, and it is unpredictable. It is recommended to currently take antihistamines to control the urticaria and maintain quality of life. Wis...[Read More] Understanding Drug Allergies: Symptoms, Duration, and Dietary Considerations
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
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 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 Urticaria: Causes, Symptoms, and Blood Test Insights
Urticaria Hello, Doctor: Since winter began, I have been experiencing intermittent skin itching, usually triggered by feeling hot, consuming spicy foods, or eating items that tend to raise my body temperature. Sometimes, I also feel itching on my face and scalp. Today, I visited ...
Dr. Huang Ruiyun Reply:
Blood tests cannot determine the cause of urticaria (hives).[Read More] Understanding Urticaria: Causes, Symptoms, and Blood Test Insights
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 Skin Issues: Dryness vs. Hives in Winter
Skin issues Hello, I previously inquired about experiencing a prickling sensation on my skin during winter. I'm unsure whether it is due to dry skin, hives, or something else. I have taken photos of the red spots that occur with the symptoms. Would it be possible to send the...
Dr. Zhang Zhibo Reply:
Hello: If necessary, it is better to consult a nearby dermatologist for treatment. You can also upload images to a free image hosting service (which is usually provided by general ISPs or portal websites) and then share the link.[Read More] Understanding Skin Issues: Dryness vs. Hives in Winter
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 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
Understanding Sudden Skin Allergies: Causes and Solutions
Skin allergy conditions..? Dear Dr. Chang, I would like to ask about some recent symptoms my husband has been experiencing. Over the past few days, he has developed some red, swollen rashes on his body, particularly on his shoulders and back, which resemble mosquito bites. They ...
Dr. Zhang Zhibo Reply:
Hello: If these rashes appear and then disappear within a few hours, this is urticaria (hives). Most commonly, the cause is food, but some cases are triggered by environmental allergens. Individuals with allergic tendencies may also experience a more significant allergic reaction...[Read More] Understanding Sudden Skin Allergies: Causes and Solutions
Understanding Skin Reactions: Emotional Triggers and Urticaria
Hello! Hello, doctor! I have a question about my friend. Whenever he had emotional reactions (such as happiness, sadness, anxiety, etc.), he would experience skin prickling and itching. What could be the reason for this? When my friend consulted a doctor before, the doctor mentio...
Dr. Huang Ruiyun Reply:
Hello! It is most likely still urticaria, but urticaria can sometimes resolve spontaneously without recurrence. There is also no way to prove whether it is related to the climate. Wishing you peace and good health.[Read More] Understanding Skin Reactions: Emotional Triggers and Urticaria
Understanding Urticaria: Causes, Symptoms, and Treatment Options
Urticaria Hello Dr. Chang, I would like to ask a few questions: 1. I have been experiencing unexplained itching all over my body. I went to a clinic and was diagnosed with urticaria (hives), but after 2-3 months of treatment, I am still itching. Does this indicate that it could...
Dr. Zhang Zhibo Reply:
Hello: There are many causes of urticaria, including food, medications, environmental factors, and even temperature changes, infections, or immune system responses. Relief from symptoms can take 2-3 weeks, so medication may need to be taken for several weeks. Generally, patients ...[Read More] Understanding Urticaria: Causes, 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?
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 Athlete's Foot: Symptoms, Allergies, and Treatment Options
Athlete's foot Doctor, I recently had athlete's foot, and after seeing a doctor, it didn't help. Now my foot is a bit swollen, and I have developed rash-like allergic hives on my toes and a little above them. A few days ago, I saw a doctor who said it was a skin al...
Dr. Zhang Zhibo Reply:
Xiao Mi: Athlete's foot generally does not cause swelling of the feet unless there is a wound leading to cellulitis. Allergic rashes typically resolve on their own, but if a rash appears that is painful and does not go away, it could be bacterial folliculitis or paronychia, ...[Read More] Understanding Athlete's Foot: Symptoms, Allergies, and Treatment Options
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 Sudden Skin Allergies: Causes, Symptoms, and Treatment
Skin allergy Hello! I have never had skin allergies before, but about a month ago, I suddenly developed raised red spots that are very itchy on the joints of both legs, knees, thighs, fingers, and finger joints. I applied a common ointment for insect bites, and after enduring the...
Dr. Jiang Yujiao Reply:
Hello: In response to your question, your symptoms are more indicative of a skin allergy - urticaria (hives). Urticaria is classified as a Type I hypersensitivity reaction, which occurs very rapidly. Upon contact, inhalation, or ingestion of an allergen, reactions can manifest wi...[Read More] Understanding Sudden Skin Allergies: Causes, Symptoms, and Treatment
Can High Doses of Vitamin C Help Treat Urticaria Symptoms?
Some people say that urticaria requires a large intake of vitamin C? I have been experiencing hives for about half a month. In addition to the rash, I feel a tightness and discomfort in my chest, and my voice has become hoarse. I am currently taking medication (levocetirizine and...
Dr. Jiang Yujiao Reply:
Hello: In response to your question, the occurrence of urticaria is considered an allergic reaction of the body and is not necessarily caused by a weakened immune system. If you experience tightness in the chest during an outbreak, it indicates edema of the mucous membranes, whic...[Read More] Can High Doses of Vitamin C Help Treat Urticaria Symptoms?