Understanding Eczema: Causes of Thickening and Peeling Skin on Toes
Eczema 1. The reason your eczema-affected toes become rough and peel after applying the ointment could be due to several factors, including irritation from the medication, an allergic reaction, or the natural progression of eczema itself. It's important to monitor how your s...
Dr. Zhang Zhibo Reply:
Hello, online user: Eczema that has not healed for a long time can lead to chronicity, commonly known as "psoriasis," characterized by thickening and lichenification. This is a normal skin response to inflammation and can also result in hyperpigmentation (darkening of t...[Read More] Understanding Eczema: Causes of Thickening and Peeling Skin on Toes
Understanding Ruby Laser Treatment and Post-Procedure Skin Concerns
Ruby laser therapy Doctor, I have melanocytic nevi on both sides of my face. I underwent ruby laser treatment five weeks ago, and this week I've started experiencing post-inflammatory hyperpigmentation. The doctor prescribed me a hydroquinone cream to apply, but after using ...
Dr. Cai Changlin Reply:
Hello: It is quite common for individuals of East Asian descent to experience post-inflammatory hyperpigmentation after undergoing laser treatment for pigmentation removal. If topical ointments are not suitable, you can also wait for 3 to 6 months for it to gradually fade. Howeve...[Read More] Understanding Ruby Laser Treatment and Post-Procedure Skin Concerns
Effective Treatments for Acne Scars and Hyperpigmentation
Post-inflammatory hyperpigmentation (PIH) from acne scars? I previously had acne on my chin, and now that the acne has healed, there is still hyperpigmentation on my chin that has persisted for a long time. What medication should I apply? Can laser treatment help?
Dr. Huang Ruiyun Reply:
This type of melanin deposition will actually fade over time, typically within about six months, and there is no need to spend money or effort on treatment.[Read More] Effective Treatments for Acne Scars and Hyperpigmentation
Effective Treatments for Eczema Scars: What You Need to Know
I would like to inquire about wound scars? Hello, Doctor. I would like to ask about my scar issue. I previously had eczema that affected my entire lower legs, but I didn't notice the itching and scratched it, which caused bleeding and resulted in scars. Now, although I am ta...
Dr. Huang Ruiyun Reply:
I'm not sure if your black pigmentation is flat without any raised areas. If it is flat and there are no scabbing or itching symptoms, it is likely post-inflammatory hyperpigmentation. This type of post-inflammatory hyperpigmentation typically does not require treatment; it ...[Read More] Effective Treatments for Eczema Scars: What You Need to Know
Understanding Underarm Darkening: Causes and Whitening Solutions
Darkening of the armpits? Hello doctor, I have pigmentation under both armpits that appears dark. I remember that this started to develop gradually after I began shaving my armpit hair in middle school. Is this related to shaving? Also, how can I lighten the pigmentation? Is usin...
Dr. Hong Zhengsheng Reply:
Hello Wen-Hsuan: The reasons for the appearance of dark pigmentation on the skin can include post-inflammatory hyperpigmentation, localized abnormal melanocyte activity, and hormonal imbalances. The best advice is to consult a dermatologist you trust. I apologize, but based on yo...[Read More] Understanding Underarm Darkening: Causes and Whitening Solutions
Understanding Groin Itching: Causes and When to See a Specialist
Groin itching Doctor, I often experience itching in my groin area, and recently I've noticed that the itchy area has a semicircular dark appearance. Additionally, both of my legs are affected. Could this be tinea cruris? Also, I have small white bumps on my scrotum that rese...
Dr. Hong Zhengsheng Reply:
Hello: In your message, you mentioned: "I often experience itching in my groin area... Recently, I noticed that the itchy area appears as a semicircular dark patch... and it is symmetrical on both legs... Could this be tinea cruris?" → Tinea cruris, eczema, localized hy...[Read More] Understanding Groin Itching: Causes and When to See a Specialist
Understanding Laser Treatment for Birthmarks: What to Expect and Next Steps
Birthmark laser treatment I have a birthmark on my face that is grayish-black and about the size of a one-dollar coin. I underwent laser treatment twice. After the first session, it turned gray, and I thought it was fading, but within a month, it started to darken again. Initiall...
Dr. Jiang Yujiao Reply:
Hello: In response to your question, the number of laser treatments for a birthmark indeed depends on its depth. Generally, individuals with pigmented skin may experience post-inflammatory hyperpigmentation, which can take 3 to 6 months to resolve. You may consider extending the ...[Read More] Understanding Laser Treatment for Birthmarks: What to Expect and Next Steps
Understanding Adapalene: Key Questions About Acne Treatment and Care
Question! Active ingredient of Aikong gel: ADAPALENE 1. Is this medication classified as a retinoid? Is it a third-generation retinoid? 2. The instructions state to wash it off the next morning. What happens if it is not washed off? Why is it necessary to wash it off? 3. I'...
Dr. Huang Ruiyun Reply:
1. Yes. 2. Don't you wash your face in the morning? 3. The same. 4. See a doctor for a needle aspiration. 5. See a doctor for a needle aspiration.[Read More] Understanding Adapalene: Key Questions About Acne Treatment and Care
Can Lemon-Induced Hyperpigmentation Be Reversed? Best Treatments Explained
Melanin deposition caused by photosensitive substances? I would like to ask if the physician, due to the lack of knowledge about the photosensitive properties of lemons, mistakenly used lemon as a DIY whitening ingredient, resulting in significant melanin deposition on the face. ...
Dr. Zheng Lizhen Reply:
Hello: This condition is usually reversible over time. You can use products containing L-ascorbic acid (Vitamin C), or consult a physician for a prescription for whitening creams along with sunscreen to accelerate the breakdown of melanin. Sincerely, Dr. Cheng Li-Chen, Dermatolog...[Read More] Can Lemon-Induced Hyperpigmentation Be Reversed? Best Treatments Explained
Will Skin Color Changes After Fungal Infection Lead to Recurrence?
Skin color If there was a history of fungal skin disease that improved with medication, and the doctor advised stopping treatment even though the discoloration did not completely resolve, is there a possibility of recurrence in this situation?
Dr. Jiang Yujiao Reply:
Hello: In response to your question, the condition you referred to as "ringworm" could be either "tinea" (fungal infection) or "psoriasis." If it is a fungal infection, some cases may lead to hyperpigmentation, which will gradually fade over time. If...[Read More] Will Skin Color Changes After Fungal Infection Lead to Recurrence?
Can AHA Peels Help with Acne Scars on the T-Zone?
Facial chemical peel? Is it possible to undergo chemical peels with glycolic acid for frequent acne breakouts on my face, particularly in the T-zone, which have left numerous acne scars? How long does the treatment take? After the treatment, will I still experience breakouts? I l...
Dr. Jiang Yujiao Reply:
Hello: In response to your question, generally, long-lasting acne does not leave scars, but may result in post-inflammatory hyperpigmentation. You can consider undergoing a chemical peel with alpha hydroxy acids (our clinic uses an updated and improved version with citric acid), ...[Read More] Can AHA Peels Help with Acne Scars on the T-Zone?
Effective Treatments for Scars from Insect Bites: A Dermatologist's Guide
Scar Hello Dr. Jiang, I would like to ask you: How should I treat scars left by bites from mosquitoes or fleas? Should I first see a dermatologist?
Dr. Jiang Yujiao Reply:
Hello: In response to your question, mosquito and flea bites generally do not leave scars; they typically result in post-inflammatory hyperpigmentation, which will naturally fade within 3 to 6 months. However, if a mosquito or flea bite is improperly treated and leads to a bacter...[Read More] Effective Treatments for Scars from Insect Bites: A Dermatologist's Guide
Understanding Skin Issues from Prolonged Sitting: Causes and Solutions
Do you often sit? Hello Dr. Jiang, I have developed red rashes and some hyperpigmentation around my groin area due to prolonged sitting. What could be the cause?
Dr. Jiang Yujiao Reply:
Hello: In response to your question, the red rash near the groin should be considered for (1) tinea cruris (jock itch) and (2) intertrigo. Both conditions may be associated with hyperpigmentation. The treatment for tinea cruris and intertrigo differs, so a proper diagnosis by a p...[Read More] Understanding Skin Issues from Prolonged Sitting: Causes and Solutions
Understanding Skin Issues: Red Rash and Hyperpigmentation in the Groin
Tinea corporis? Eczema? Hello, Dr. Huang. I have developed red rashes and some hyperpigmentation around my groin area due to prolonged sitting. However, they are neither painful nor itchy. What could be the cause? How should I treat it? Can I just wait for it to improve on its ow...
Dr. Huang Ruiyun Reply:
I'm sorry, but online diagnoses are not permitted. If you are really troubled, please visit a dermatologist in person.[Read More] Understanding Skin Issues: Red Rash and Hyperpigmentation in the Groin
Restoring Skin Color After Tinea Cruris: Effective Solutions
Post-inflammatory hyperpigmentation after tinea corporis? Hello Doctor: I have been troubled by tinea cruris since puberty, and I finally got it treated by a dermatologist two years ago. However, due to the long-standing condition, the skin in my groin area has become dark and ha...
Dr. Jiang Zheen Reply:
This is a type of post-inflammatory hyperpigmentation. You can try using a low concentration of alpha hydroxy acids along with topical L-ascorbic acid, which should yield results. Wishing you peace, Jesus loves you.[Read More] Restoring Skin Color After Tinea Cruris: Effective Solutions
How to Treat Itchy Groin and Improve Dark, Wrinkled Skin
Groin itching Hello, doctor. I have an issue with itching in my groin area, and now the skin there has become dark and wrinkled. Is there a way to improve this condition?
Dr. Jiang Zheen Reply:
The main cause of itching in the groin area is fungal infection, so it is essential to thoroughly treat the fungus. As for the darkening of the skin, it is due to post-inflammatory hyperpigmentation, which may take a long time to fade on its own. However, if it persists for too l...[Read More] How to Treat Itchy Groin and Improve Dark, Wrinkled Skin
Can I Use Concealer on My Birthmark After Laser Treatment?
Skin I have a birthmark on the right side of my face that is approximately 1 cm in diameter. It was white when I was younger but has gradually turned dark brown, although its size has remained the same. I usually apply a concealer over the birthmark and then cover it with skin-co...
Dr. Zheng Lizhen Reply:
Hello: After laser treatment, there will indeed be a transitional period of post-inflammatory hyperpigmentation. You can use concealers or cosmetics to cover it up. Sincerely, Dr. Cheng Li-Chen, Dermatologist.[Read More] Can I Use Concealer on My Birthmark After Laser Treatment?
Understanding Unexplained Skin Rashes: Causes, Treatment, and Concerns
Skin rash The patient attended a gathering in Shenkeng, Taipei, and afterward developed a rash on both arms (uniformly distributed spots all over the arms). Upon visiting the hospital for treatment, the doctor was unable to provide a definitive diagnosis. Initially, there was sus...
Dr. Huang Ruiyun Reply:
According to your description, the skin condition has improved, and the "post-inflammatory hyperpigmentation" will fade away after a year and a half. There is not much to be done, and there is no need to worry.[Read More] Understanding Unexplained Skin Rashes: Causes, Treatment, and Concerns
Understanding and Treating Groin Fungal Infections: Tips and Remedies
Fungal infection of the groin and inner thighs? Hello Dr. Huang, thank you for taking the time to address our concerns. My symptoms are as follows: I have had a fungal infection in my groin area, including the genital region, for at least ten years, and there is also a phenomenon...
Dr. Huang Ruiyun Reply:
Econalone is a combination medication used to treat eczema and has antifungal properties. If there is indeed a fungal infection, Econalone can relieve itching but may not completely eradicate the infection; in such cases, it is more ideal to use a specific antifungal prescription...[Read More] Understanding and Treating Groin Fungal Infections: Tips and Remedies
Understanding Chemical Peels: Benefits, Costs, and Aftercare
Alpha Hydroxy Acid (AHA) Peeling Chemical peels, particularly those using alpha hydroxy acids (AHAs), are typically recommended for various skin conditions. They can be beneficial for improving skin texture, reducing fine lines, treating acne, and addressing hyperpigmentation. If...
Dr. Zheng Lizhen Reply:
Hello: The effects that chemical peel treatments can improve include: rough skin texture, fine lines, and wrinkles. It can also improve acne and acne scars, as well as dark spots and hyperpigmentation. The cost is generally around 2000 TWD. You can directly inquire at Keelung Hos...[Read More] Understanding Chemical Peels: Benefits, Costs, and Aftercare