Why Is My Eyebrow Turning White? Causes and What to Do
What should I do if my eyebrows turn white? Hello, I am a 20-year-old college student. At the end of August, I noticed that one of my eyebrows started to turn white. I didn't pay much attention to it, thinking it was similar to having a lot of white hair. Last week, I discov...
Dr. Wu Yuxin Reply:
When both the skin and hair turn white, it is important to consider the possibility of vitiligo. It is recommended to seek medical treatment as soon as possible, as an in-person examination is necessary to confirm the diagnosis.[Read More] Why Is My Eyebrow Turning White? Causes and What to Do
Understanding Nevi: When to Worry About Potential Skin Cancer
Mole birthmark Since childhood, I have had a birthmark-like black mole near my collarbone. Recently, I came across information regarding skin cancer related to black moles, so I measured it and found that the length of the birthmark is about 1 cm, exceeding 6 mm. Does this indica...
Dr. Wu Yuxin Reply:
The size of a mole is just one of the initial criteria for assessing potential malignancy. If there are concerns about a particular mole, it is important to seek medical attention promptly for further evaluation.[Read More] Understanding Nevi: When to Worry About Potential Skin Cancer
Understanding Skin Rashes: Causes, Symptoms, and Treatments
Skin rash Three days ago, several red rashes appeared on the inner side of my right calf and the inner side of my left thigh. Some of them have blisters, and I initially thought it was caused by insect bites. Today, I noticed that the rashes are increasing in number, and they are...
Dr. Wu Yuxin Reply:
Online consultations cannot provide a diagnosis; it is recommended to consult a dermatologist for an accurate assessment.[Read More] Understanding Skin Rashes: Causes, Symptoms, and Treatments
Should You Continue Using Rhododendron Acid for Closed Comedones?
Rhododendron acid Doctor, I have been using topical azelaic acid for two months and have seen some improvement, but I still have many closed comedones on my forehead. Should I continue using it? Is there any way to completely eliminate the closed comedones?
Dr. Li Yufen Reply:
Hello: You can continue using the topical azelaic acid cream and monitor the results. If the effectiveness is indeed unsatisfactory, you may consider switching to topical retinoic acid. For detailed information about topical retinoic acid, you can refer to "Beauty's Goo...[Read More] Should You Continue Using Rhododendron Acid for Closed Comedones?
Risks of Shared Laser Hair Removal Probes: Infection Concerns Explained
Shared laser hair removal handpiece Hello, doctor. I have seen information online suggesting that using shared probes for Japanese hair removal or radiofrequency skin tightening could lead to infections with viral warts or flat warts. However, there seems to be limited informatio...
Dr. Li Yufen Reply:
Hello: For a detailed introduction to viral warts, you can refer to the article on Care Online at https://www.careonline.com.tw/2017/08/warts.html. Since viral warts are transmitted through direct contact, to ensure there is a 100% guarantee against transmission, it is important ...[Read More] Risks of Shared Laser Hair Removal Probes: Infection Concerns Explained
Can I Use First-Generation and Third-Generation Retinoids Together?
Can third-generation retinoids be used together with first-generation retinoids? Hello, Doctor. I would like to ask if it is okay for me to use first-generation retinoic acid twice a week for strengthening my acne treatment, while continuing to use third-generation retinoic acid ...
Dr. Li Yufen Reply:
Hello: For a detailed introduction to topical retinoids, you can refer to "Beauty's Good Friend" at https://www.medpartner.club/topical-retinoids-introduction/ and Dr. Wang Hsiu-Han's "Ten Important Points about Topical Retinoic Acid" at https://www....[Read More] Can I Use First-Generation and Third-Generation Retinoids Together?
Brown Spot in One Armpit: Causes, Itching, and Odor Solutions
A brown spot has appeared on one side of the armpit, which is itchy and has an odor? A brown patch has appeared in one armpit, which is itchy and has an odor. There was no odor before the brown patch appeared, and the individual typically does not sweat much. What could be the ca...
Dr. Li Yufen Reply:
Hello: Based solely on the textual description, it is not possible to accurately diagnose a skin condition. The most common causes of brown spots in the armpit are tinea corporis or tinea versicolor, but there may be other conditions as well. If the skin condition does not improv...[Read More] Brown Spot in One Armpit: Causes, Itching, and Odor Solutions
Understanding Shingles: Symptoms, Treatment, and Dietary Considerations
Shingles rash Hello doctor, two days ago I developed something on my back (attached is a picture). Today, when I visited a dermatologist, the doctor believed it was not shingles, but was also uncertain about what it could be (it might be a reaction to an insect bite). Could you p...
Dr. Wu Yuxin Reply:
I have not seen your skin symptoms in person, and I cannot make a diagnosis based solely on photographs. Therefore, I do not have any specific recommendations regarding the prescription given by the physician who examined you. Sometimes, skin conditions can change over the course...[Read More] Understanding Shingles: Symptoms, Treatment, and Dietary Considerations
Can Home IPL Hair Removal Devices Treat Keratosis Pilaris?
Intense Pulsed Light (IPL) Hair Removal Device Can keratosis pilaris be treated with an at-home IPL hair removal device? Is keratosis pilaris considered a form of uneven skin tone?
Dr. Wu Yuxin Reply:
There is not much effect, and it is not considered uneven skin tone. It can be classified as a condition of abnormal keratinization.[Read More] Can Home IPL Hair Removal Devices Treat Keratosis Pilaris?
Understanding Yellow Nails: Causes and When to Seek Help
Yellowing of the nails? Hello, doctor. I have already seen a dermatologist who confirmed that the tips of my fingers and toes are indeed yellow, but it is not a fungal infection. The doctor suspects it may be due to food or other substances causing staining. However, since this h...
Dr. Wu Yuxin Reply:
There are indeed many diseases that can cause yellowing of the nails, but there are also many cases where the underlying cause remains unidentified. However, without actually seeing your condition, I cannot provide much advice, as the most important aspect of diagnosing skin dise...[Read More] Understanding Yellow Nails: Causes and When to Seek Help
Understanding Burning Sensation on the Side of Your Body: Causes and Solutions
Burning sensation I experienced a burning sensation on the left side of my back while riding the bus. What could be the cause?
Dr. Li Yufen Reply:
Hello: Based solely on the textual description, it is not possible to accurately diagnose a skin condition. It is advisable to first observe whether the burning sensation occurs repeatedly or is a one-time event. If the condition does not improve or worsens, it is recommended to ...[Read More] Understanding Burning Sensation on the Side of Your Body: Causes and Solutions
Itchy Hairy Areas on the Vulva: Which Specialist to Consult?
Itchy areas in the pubic region with hair growth? If you are experiencing itching in the area above the vulva where hair grows, you may want to consult a dermatologist. It is true that gynecologists may have different approaches to diagnosis and treatment, and while they may pres...
Dr. Li Yufen Reply:
Hello: If the condition of the vulvar skin does not improve or worsens, it is recommended to consult a nearby dermatologist for diagnosis and treatment. Thank you![Read More] Itchy Hairy Areas on the Vulva: Which Specialist to Consult?
Understanding Scabies: Misdiagnosis, Treatment Challenges, and Recovery
Scabies issues? Hello Doctor, I previously had a scabies infection that did not improve after several months of treatment, and I consulted different doctors who diagnosed me with eczema, fungal infections, and sweat dermatitis. It wasn't until April of this year, when I retu...
Dr. Wu Yuxin Reply:
You need to see it to know; the symptoms of scabies and dyshidrotic eczema can be quite similar, and it is necessary to examine other areas to make a definitive diagnosis.[Read More] Understanding Scabies: Misdiagnosis, Treatment Challenges, and Recovery
Can People with Amyloidosis Consume Alcoholic Foods Safely?
Can individuals with amyloidosis consume foods containing alcohol? Hello, doctor! Several years ago, I discovered white patches on my skin and went to a clinic for examination. The clinic physician diagnosed me with "amyloidosis." Since I do not have a habit of drinking...
Dr. Wu Yuxin Reply:
There is no direct relationship.[Read More] Can People with Amyloidosis Consume Alcoholic Foods Safely?
Understanding Skin Rashes: When to See a Dermatologist
Skin issues Hello, doctor. In the past two months, I have noticed red patches appearing on the front and sides of my chest, each about the size of a ten-cent coin. They are not itchy and do not have any bumps, but they are increasing in number. One patch has started to peel and h...
Dr. Wu Yuxin Reply:
Without seeing the actual lesion, it is difficult to make a preliminary assessment. It is recommended to have a dermatologist evaluate it first.[Read More] Understanding Skin Rashes: When to See a Dermatologist
Can Home Hair Removal Devices Be Safe for Keratosis Pilaris?
Can keratosis pilaris be treated with at-home hair removal devices? I have keratosis pilaris, and the instructions for the home hair removal device state that it should not be used on uneven skin tones. Since keratosis pilaris presents as small bumps, will using the hair removal ...
Dr. Wu Yuxin Reply:
Which type of hair removal device?[Read More] Can Home Hair Removal Devices Be Safe for Keratosis Pilaris?
Ants on My Toes: Understanding Skin Issues and Diabetes Risks
There are ants in the foot wound? Recently, my toes and fingertips have been itchy, and the area between my right big toe and index toe has started to peel, resembling athlete's foot (not sure). There is a little bit of fluid, and while sleeping, the wound feels prickly. I w...
Dr. Li Yufen Reply:
Hello: Based solely on the textual description, it is not possible to accurately diagnose a skin condition. To determine if there is diabetes, you can visit a family medicine or endocrinology department to measure fasting blood glucose levels. If the skin condition does not impro...[Read More] Ants on My Toes: Understanding Skin Issues and Diabetes Risks
Understanding Itchy Rash on Limbs: Causes and Solutions
Rash and itching on the limbs, but no rash on the body? I am a Malaysian international student. I originally had skin sensitivity issues around my joints, but after arriving in Taiwan, the sensitivity around my joints disappeared. However, I developed large patches of rash on my ...
Dr. Li Yufen Reply:
Hello: Based solely on the textual description, it is not possible to accurately diagnose a skin condition. The hot and humid climate during summer can lead to rashes such as heat rash or eczema, and the skin may also react to new environmental allergens. If the skin condition do...[Read More] Understanding Itchy Rash on Limbs: Causes and Solutions
Understanding and Treating Persistent Lip and Mouth Area Irritations
Lip issues The area around the mouth suddenly becomes red and swollen, resembling a mosquito bite, and it is very itchy but not painful. After a while, it disappears and then turns into small red bumps. There are also small red bumps around the mouth that keep recurring. I have b...
Dr. Li Yufen Reply:
Hello: Based solely on the textual description, it is not possible to accurately diagnose a skin condition. Since it is unclear which type of ointment was applied, it could potentially be recurrent cheilitis. If the skin condition does not improve or worsens, it is advisable to c...[Read More] Understanding and Treating Persistent Lip and Mouth Area Irritations
Understanding Hard Lumps on Skin: When to Seek Surgical Evaluation
There is a hard lump on a family member's arm? Hello doctor, I recently noticed a hard lump on my family member's arm. Due to the sudden change in skin condition, they visited a general clinic's dermatology department and inquired about the lump. The doctor mention...
Dr. Wu Yuxin Reply:
1. Yes. 2. X-rays have limited diagnostic value for skin issues. 3. It is not a problem for general clinics to perform surgeries.[Read More] Understanding Hard Lumps on Skin: When to Seek Surgical Evaluation