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 Unexplained Skin Itching: Causes and Solutions
Unexplained skin itching? Hello, I have been experiencing unexplained itching on my skin since about last year. I have observed that there is no obvious correlation with food, medications, temperature, or skincare products. The itchy areas are also not specific, but a common fact...
Dr. Jiang Yujiao Reply:
Mandy: Hello, your itchy skin with raised red welts is likely urticaria, which is an allergic skin condition. You should take antihistamines and consult a dermatologist to analyze the possible causes. Response from Jiang Yujiao.[Read More] Understanding Unexplained Skin Itching: Causes and Solutions
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
Managing Persistent Skin Inflammation: Dietary Changes and Solutions
Persistent skin inflammation? I frequently visit the dermatologist but feel that I am reacting to an increasing number of foods, such as small amounts of dairy, rice, and lotus seeds. After consuming these, my skin becomes inflamed on the same day, and my body has been experienci...
Dr. Jiang Zheen Reply:
I do not understand what you mean by inflammation in this context. I recommend discussing it in person with a dermatologist during your appointment. If it is an allergy, it is advisable to undergo allergy testing.[Read More] Managing Persistent Skin Inflammation: Dietary Changes and Solutions
Understanding Tetracycline vs. Doxycycline for Acne Treatment
The issue of medications and acne? Due to being away from home, I am unable to visit my long-term dermatology clinic for treatment, and I have run out of my previous medication. Therefore, I went to a nearby clinic to ask the doctor to prescribe me tetracycline. However, the long...
Dr. Zhang Zhibo Reply:
Hello: To answer your question, we first need to understand the causes of acne, which can be categorized into four main factors: 1. Hormonal changes and stress lead to increased sebum production. The sebaceous glands are stimulated by male hormones, producing more sebum, which ...[Read More] Understanding Tetracycline vs. Doxycycline for Acne Treatment
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 Urticaria and Acne: When to See an Allergist
Urticaria and Allergies Hello, doctor. I have a history of urticaria, and I haven't had acne since I was about fourteen. However, starting from July and August of this year, I've been experiencing persistent acne on my face. I've visited many hospitals, but there h...
Dr. Zhang Zhibo Reply:
Hello: Your age is typical for the occurrence of acne. If you are taking medication for urticaria, it is possible that the excessive use of topical corticosteroids or high oral doses may lead to an overgrowth of "Malassezia," a type of fungus, resulting in widespread fo...[Read More] Understanding Urticaria and Acne: When to See an Allergist
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 Sensitivity: Causes and When to Seek Blood Tests
A single scratch causes redness and swelling? Hello Doctor: Previously, I had a case of urticaria that resolved after a year, but now I have developed skin sensitivity. My skin becomes red and swollen with just a light touch, and the itching worsens with scratching (this has been...
Dr. Zhang Zhibo Reply:
Hello: Your issue is urticaria, which can have many causes. 1. Food: Shellfish, fermented foods, nuts, eggs, milk, products containing artificial additives, caffeine-containing foods, mangoes, strawberries, bamboo shoots, grapefruits, glutinous rice, shiitake mushrooms, and alc...[Read More] Understanding Skin Sensitivity: Causes and When to Seek Blood Tests
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 Athlete's Foot: Treatment Options and Recommendations
Regarding issues related to athlete's foot, I would like to ask the doctor..? Hello, Doctor. I would like to ask some questions regarding athlete's foot: 1. I have been diagnosed with athlete's foot at a dermatology clinic, specifically the hyperkeratotic type. I...
Dr. Zhang Zhibo Reply:
Hello, Student Chang: 1. Regarding thick skin tinea pedis, the usual duration for medication is two weeks. You can also apply salicylic acid ointment topically to accelerate the shedding of thickened skin. 2. Currently, drug resistance is not high; oral medications tend to h...[Read More] Understanding Athlete's Foot: Treatment Options and Recommendations
Understanding Eczema: Can Allergens Change Over Time?
Atopic dermatitis Hello Doctor, around the fourth quarter of last year, I started experiencing peeling skin on my face and allergy-like symptoms on my chest. I initially thought it was due to dry skin from the winter. However, when I visited a dermatologist this year, the doctor ...
Dr. Huang Ruiyun Reply:
Hello: There are two significant doubts: First, it is quite rare for someone to develop "atopic dermatitis" at the age of 30; while it can happen, the incidence is low, and the areas you described are not typical. Could it be that the diagnosis was mistaken, perhaps it ...[Read More] Understanding Eczema: Can Allergens Change Over Time?
Understanding Scalp Issues: Large Dandruff and Skin Numbness Explained
Numbness in the skin + large flakes of dandruff? 1. I have large flakes of dandruff that often stick to my scalp, and I have to scrape them off with my fingers. Could this be a skin condition? A doctor previously prescribed me a topical ointment to apply to my scalp, but since I ...
Dr. Jiang Yujiao Reply:
Dear 一ㄚ一: The large flakes of skin that can be scraped off the scalp are likely due to seborrheic dermatitis or eczema. If applying medication is inconvenient, you can use anti-dandruff shampoos containing zinc pyrithione or similar ingredients. When temperatures rise or after co...[Read More] Understanding Scalp Issues: Large Dandruff and Skin Numbness Explained
Why Did My Skin Break Out After Using Allergy Cream?
Why do I develop a lot of acne after applying allergy medication? I would like to ask, last week I improperly used alpha hydroxy acid, which caused some redness on my cheekbones. I immediately went to see a doctor and received an allergy cream, which helped reduce the redness aft...
Dr. Hong Zhengsheng Reply:
Hello, cat owner: The best advice is to "find a dermatologist you trust and schedule an appointment." I recommend that when your cat exhibits the described symptoms, you should promptly visit a public hospital in your city or county and consult with a dermatologist. All...[Read More] Why Did My Skin Break Out After Using Allergy Cream?
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 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
Do I Need to Continue Taking Medication for Skin Issues?
Do I need to continue taking the medication? I had an allergic reaction to hydrocortisone cream. When I last consulted my doctor, I forgot to mention that the anti-redness cream I used was Elisone. I have seen the doctor twice since then, and now I only notice redness on my cheek...
Dr. Cai Changlin Reply:
Hello: Since I haven't seen your actual condition, I don't know the severity of your previous skin allergy or the current extent of the redness. However, generally speaking, it is quite common for areas of the face that have experienced allergic inflammation to become r...[Read More] Do I Need to Continue Taking Medication for Skin Issues?
When Will the Redness from Hydrocortisone Allergy Subside?
When will the redness and swelling caused by hyaluronic acid injections subside? I am allergic to hydrocortisone ointment, and my skin is red and swollen. It has been swollen all day. The doctor prescribed this ointment along with Tomin 2mg, Donison/5mg, Simethicone 20mg, and Buc...
Dr. Cai Changlin Reply:
Hello: In response to your question, since your letter did not specify which topical ointment the doctor prescribed, I cannot be certain. However, based on clinical experience, if your skin lesion is due to contact dermatitis from using Cetirizine, then the topical medication pre...[Read More] When Will the Redness from Hydrocortisone Allergy Subside?
Understanding Skin Issues During Menstruation: Eczema or Allergy?
excuse me? Hello, doctor. I apologize for the interruption. I would like to ask, during my menstrual period, I experience a rash on my buttocks that looks like eczema or tinea cruris with small bumps. Could this be an allergy? Is it possible that I am allergic to sanitary pads? A...
Dr. Jiang Yujiao Reply:
Dear Wan-Ching: If the rash appears only during your menstrual period, it is more likely to be eczema, which could be due to lack of breathability or an allergy to sanitary pads. Wishing you peace and health. Sincerely, Dr. Jiang Yu-Jiao, Director of the Dermatology Department, T...[Read More] Understanding Skin Issues During Menstruation: Eczema or Allergy?