Is Hair Dye Safe for Those with Pityriasis Rosea?
Can individuals with pityriasis rosea dye their hair? Hello Dr. Huang, I would like to ask you about something. I have never had pityriasis rosea before, but this year I started experiencing it, and it has been recurring for almost 10 months. Sometimes I even have 1-2 spots on my...
Dr. Huang Ruiyun reply Dermatology
Hello: The main concern with hair dyeing is whether it can trigger allergies (contact dermatitis). It is recommended that you first mix a few drops of the hair dye (which should consist of two components) to create a test solution, and apply it to clean skin. Try not to wash or r...[Read More] Is Hair Dye Safe for Those with Pityriasis Rosea?
Understanding Red Spots on Infants' Eyelids: Causes and Solutions
Red spots on the eyelid? A two-month-old infant has developed a red patch on the eyelid that resembles a rash but is not quite the same. Initially, it would disappear quickly, but now it has not only persisted but is also getting larger. The eye itself is not swollen. I would lik...
Dr. Huang Ruiyun reply Dermatology
Hello: I'm sorry, but it is not possible to diagnose diseases online. Please take your baby to see a pediatrician or a dermatologist in person, or you can consult the doctor during a children's health check-up or vaccination. Wishing you safety.[Read More] Understanding Red Spots on Infants' Eyelids: Causes and Solutions
Understanding Acne in Adolescents: Causes and Solutions
Acne vulgaris in the brain? Hello Dr. Huang: My daughter started her menstruation around the 4th or 5th grade (I’m not sure if that’s too early, but her menstrual cycle seems normal). Since the 4th grade, she has been experiencing acne, and now in the 2nd year of junior high, she...
Dr. Huang Ruiyun reply Dermatology
Hello: There is no definitive cure for acne; fighting acne is essentially a long-term battle, typically lasting at least three months. If you are truly concerned about your acne, you should continue to follow up with that physician to find the most suitable treatment for you. For...[Read More] Understanding Acne in Adolescents: Causes and Solutions
Post-Car Accident: Managing Scarring and Persistent Finger Pain
After the car accident, there are no visible wounds, but there is still some pain in the finger joints? Hello Doctor, I was in a car accident recently and received treatment at your hospital. I had a deep wound on my left hand's three fingers, which has healed, but the area ...
Dr. Huang Ruiyun reply Dermatology
Hello: For scar issues, please consult with the plastic surgery department; for pain, please see the orthopedic department, or have a plastic surgeon evaluate it first. As for the diagnostic certificate, it should be issued by the department that initially handled your case. If y...[Read More] Post-Car Accident: Managing Scarring and Persistent Finger Pain
Understanding Why Your Nails Are Growing Inward: Causes and Solutions
Why are my nails continuously retracting inward? Hello doctor, my nails have been inexplicably retracting inward. Could you please tell me what might be causing this? It has been a great source of distress for me... Thank you!
Dr. Huang Ruiyun reply Dermatology
Hello: According to regulations, it is not permissible to diagnose diseases online. If you have any needs, please consult during your appointment. Wishing you safety.[Read More] Understanding Why Your Nails Are Growing Inward: Causes and Solutions
How to Diagnose Hair Loss Causes and Find Treatment Options?
Is there a way to detect the cause of hair loss? Hello Dr. Huang: In the past few months, I have noticed that there are a lot of hairs (about 2 to 30 strands) mixed in with the foam when I wash my hair. When I touch my hair that is covered in shampoo foam, I can easily find five ...
Dr. Huang Ruiyun reply Dermatology
Hello: There are many causes of hair loss. Some tests can assist in diagnosis, while others may not require testing and can be diagnosed clinically. Please visit a dermatology clinic in person, and after the consultation, the physician will determine if further testing is necessa...[Read More] How to Diagnose Hair Loss Causes and Find Treatment Options?
Understanding Scalp Blisters: Causes, Treatment, and Management Tips
Small blisters on the scalp? Hello Dr. Huang: I have a question. I occasionally develop small blisters on my scalp that have persisted for over six months. These blisters are not visible to the naked eye and can only be felt by touch. If I press them lightly with my fingernail, t...
Dr. Huang Ruiyun reply Dermatology
Hello: According to regulations, online platforms are not allowed to diagnose diseases. If necessary, please seek medical attention in person. Wishing you safety.[Read More] Understanding Scalp Blisters: Causes, Treatment, and Management Tips
Which Specialist to Consult for Cold Sores and Oral Lesions?
For herpes labialis and similar lesions under the tongue, you should consult a dermatologist or an oral medicine specialist? For issues related to herpes on the lips and similar lesions under the tongue, you should consult a dermatologist. However, an oral medicine specialist or ...
Dr. Huang Ruiyun reply Dermatology
Hello: 1. Dermatology, Otolaryngology, and Dentistry are all acceptable. 2. It doesn't count. Wishing you safety.[Read More] Which Specialist to Consult for Cold Sores and Oral Lesions?
Dapsone Availability in Taiwan for Celiac Disease and Dermatitis Herpetiformis
Celiac Disease & Dermatitis Herpetiformis Hello, Dr. Huang! Thank you for your earlier response. I have another question: Is dapsone available for purchase in Taiwan?
Dr. Huang Ruiyun reply Dermatology
Hello: Dapsone should not be purchased over the counter. Your husband should visit a medical center (such as National Taiwan University Hospital, Chang Gung Memorial Hospital, or National Cheng Kung University Hospital) to consult a doctor and obtain the medication. Since this co...[Read More] Dapsone Availability in Taiwan for Celiac Disease and Dermatitis Herpetiformis
Understanding Celiac Disease and Dermatitis Herpetiformis: A Guide for Patients
Celiac Disease & Dermatitis Herpetiformis Hello, Dr. Huang! My husband has been diagnosed with Celiac Disease and dermatitis herpetiformis. We have been living in Taiwan for over two years, and his condition has worsened, possibly due to the prevalence of soy sauce in many di...
Dr. Huang Ruiyun reply Dermatology
Hello: Indeed, this condition is rare among Chinese and Japanese populations. If you really want to satisfy your craving for soy sauce, you might try black soybean sauce instead of regular soy sauce. White rice is a safe food. In the United States, there are likely more cases see...[Read More] Understanding Celiac Disease and Dermatitis Herpetiformis: A Guide for Patients
How to Treat a Burned Mouth from Hot Food: Expert Advice
Hello, Dr. Huang? Dr. Huang: A few days ago, while I was eating, I had a braised egg that was very hot... I still forced myself to eat it, and as a result, the egg yolk burned the soft tissue in my mouth. The area feels swollen and painful when I touch it with my tongue... Now, e...
Dr. Huang Ruiyun reply Dermatology
Hello: Generally speaking, mucosal wounds heal quite well, even better than skin. If it is not further irritated, it will heal on its own in a few days. If you are still concerned, you can visit an otolaryngologist. Wishing you safety.[Read More] How to Treat a Burned Mouth from Hot Food: Expert Advice
Understanding Painful Buttock Lumps: Causes and Treatment Options
Buttock mass Recently, I have noticed a lump on my buttock that is about 2 to 3 centimeters in size. It causes pain when sitting or standing. Could this be a cyst? What treatment is needed, and which specialist should I see?
Dr. Huang Ruiyun reply Dermatology
Hello: I recommend that you see a general surgeon or a plastic surgeon. If the lesion is very close to the anus, a colorectal surgeon could also be an option. Wishing you the best of luck.[Read More] Understanding Painful Buttock Lumps: Causes and Treatment Options
Effective Rehabilitation for Scar Tissue Impacting Joint Flexibility
Scarring at the joint affects extension? Hello Dr. Huang: I was in a car accident previously, which resulted in a piece of flesh being removed from my thumb. After recovery, I feel tightness when bending my thumb, and it affects my ability to play basketball. I am wondering if th...
Dr. Huang Ruiyun reply Dermatology
Hello: I recommend that you visit a plastic surgeon for an evaluation in person. Wishing you success.[Read More] Effective Rehabilitation for Scar Tissue Impacting Joint Flexibility
Understanding Treatment Options for Infected Tumors: A Patient's Concern
I am unsure if the doctor's approach is correct? Hello, Doctor! I am Xiao Fang, who asked a question the day before yesterday. I would like to inquire about whether surgery is not possible if a tumor has become inflamed, is discharging pus, and has ruptured on its own. I vis...
Dr. Huang Ruiyun reply Dermatology
Hello: Your cyst has become inflamed, and it is not advisable to perform an excision surgery. Instead, you need to undergo an incision and drainage procedure, which involves draining the pus as thoroughly as possible. This should not be done at home as a DIY procedure, so you nee...[Read More] Understanding Treatment Options for Infected Tumors: A Patient's Concern
Understanding Blisters on the Sole: Causes and Treatment Options
Blisters on the soles of the feet that are also itchy? Hello, Doctor: I have blisters on the sole of my right foot that are itchy. Every time a blister forms, I end up popping it and applying some disinfectant ointment, which allows the wound to heal slowly. However, the area whe...
Dr. Huang Ruiyun reply Dermatology
Hello: One of the agreements that consulting physicians on this website must follow is that consultations are limited to medical inquiries only; no diagnoses or prescriptions will be provided. If a patient requires an examination, it is recommended that they visit a hospital. The...[Read More] Understanding Blisters on the Sole: Causes and Treatment Options
Should I See a Dermatologist for My Painful Skin Tumor?
Should I see a dermatologist? Hello, Doctor! I have developed a tumor on my back that has recently increased in size and has become quite painful. A few years ago, it was only the size of a five-dollar coin, but last year and this year it grew to the size of a ten-dollar coin, an...
Dr. Huang Ruiyun reply Dermatology
Hello: You have reached a level that requires surgery, which is why it is recommended that you see a general surgeon, unless you find a dermatologist who performs surgeries. Wishing you the best of luck.[Read More] Should I See a Dermatologist for My Painful Skin Tumor?
Persistent Itchy Corner of Mouth: Seeking Long-Term Relief Solutions
Cracked corners of the mouth, which may be itchy and difficult to treat? Hello, my mouth corners have been itchy for a long time, resembling eczema. I have visited several dermatology clinics, and most of them said it was too dry and recommended using lotion or maintaining cleanl...
Dr. Huang Ruiyun reply Dermatology
Hello: I suggest that you brush your teeth without using toothpaste at all, and apply petroleum jelly locally instead of lotion. Try this for a period of time to see if it improves or even resolves the issue. This is because some cases of angular cheilitis are caused by toothpast...[Read More] Persistent Itchy Corner of Mouth: Seeking Long-Term Relief Solutions
Understanding Nighttime Itching: Causes and Solutions for Skin Irritation
Itching skin at night? Recently, my skin has been itching every night, to the point where I can't sleep. If I scratch, large welts appear on my limbs and body, or small bumps on my fingers and the tops of my feet. At first, my face and neck weren't itchy, but in the las...
Dr. Huang Ruiyun reply Dermatology
Hello: One of the agreements that consulting physicians on this website must follow is that consultation members only provide medical inquiries, do not make diagnoses, and do not prescribe medications. If a consultation is needed, patients are advised to visit a hospital. Therefo...[Read More] Understanding Nighttime Itching: Causes and Solutions for Skin Irritation
Is It a Skin Condition? Understanding Body Odor and Dermatitis
Is this considered a fungal infection? In the past, I often scrubbed my skin while bathing (removing a lot of dirt), and my skin condition was poor with barely visible pores and redness. Now, I have a foul odor on my skin, and it seems to smell worse the more I wash. Is this a me...
Dr. Huang Ruiyun reply Dermatology
Hello: Diagnosing diseases online is not permissible. Wishing you peace of mind.[Read More] Is It a Skin Condition? Understanding Body Odor and Dermatitis
Understanding Melanocytic Nevi: When to Seek Dermatology or Gynecology Care
Melanocytic nevus I have a dark brown mole approximately 0.2 centimeters in size located near the vaginal opening of my vulva. It has been present for a long time (I'm not sure exactly how many years). It doesn't seem to have changed much in size, and its shape is relat...
Dr. Huang Ruiyun reply Dermatology
Hello: Most of them are benign, but if you are concerned, you can consult a gynecologist to have them removed for pathological examination. Wishing you safety.[Read More] Understanding Melanocytic Nevi: When to Seek Dermatology or Gynecology Care