Scars, Dermatology FAQ

Understanding Hives and Viral Warts: Skin Issues in Cold Climates

Urticaria, viral warts Hello Doctor, I am currently in the United States, and seeking medical care is quite complicated. I have a few questions and would like to know if there are ways to improve my situation. The area I am in is relatively dry and cold. 1. Since coming to the ...

Dr. Wu Yuxin Reply:
Medical regulations state that "a physician must personally examine a patient before providing treatment or prescribing medication," and therefore, online diagnosis is not permissible. If you are experiencing significant distress, it is advisable to seek medical attenti...

How to Determine If You Have Allergies Before Getting Ears Pierced?

How can I know if I have an allergy? Hello, Doctor. I am planning to get my ears pierced soon and have done a lot of research online, but I still have some questions for you: 1. How can I determine if I have any allergies? Is there a way to test for this myself? 2. Is it okay t...

Dr. Wu Yuxin Reply:
1. Do you have any metal allergies? It may be difficult to assess on your own; you should inquire with a medical center if they perform allergy patch testing. 2. Why is nail polish recommended against? 3. If you are allergic to erythromycin, you should definitely avoid applyi...

Will Stitch Marks on My Face Fade After Acne Scar Surgery?

Suture mark Hello Doctor: About ten days ago, I underwent a surgical procedure for the excision and suturing of acne scars on my face. A few days ago, after the stitches were removed, I noticed that the indentations caused by the sutures have persisted for five days. They appear ...

Dr. Wu Yuxin Reply:
You should consult your attending physician about this issue, as they are the most familiar with your condition.

Essential Dietary and Treatment Guidelines for Acne Management

Multiple questions regarding acne (pimples) related to diet, topical medications, and wound care? Hello, Doctor: 1. I read the article "Dietary Considerations for Acne Patients" (Author: Department of Dermatology, Taipei Veterans General Hospital / Dr. Liu Han-nan) (h...

Dr. Li Yufen Reply:
Hello: 1. Regarding the diet of acne patients, you can refer to Dr. Huang Xiang's article at http://toryflymed.pixnet.net/blog/post/93094446-%E5%A6%82%E4%BD%95%E6%93%BA%E8%84%AB%E6%83%B7%E4%BA%BA%E7%9A%84%E7%97%98%E7%97%98(%E4%B8%89)---%E9%A3%B2%E9%A3%9F%E7%AF%87. 2. 2-1...

Can Aggressive Face Washing Cause Scarring from Closed Comedones?

Cleansing for acne-prone skin? Hello, Doctor! Here's the situation: I previously took oral isotretinoin and developed many closed comedones of various sizes. I have been washing my face with just water, and because I was worried about not cleaning it properly, I scrubbed a l...

Dr. Wu Yuxin Reply:
It is possible.

Understanding Keloids: Causes and Treatment for Unexplained Scars

Keloid-like scars Hello, I have developed scars on my shoulder and upper arm that resemble keloids. However, I have researched that keloids and hypertrophic scars typically form after an injury. Since I have a considerable number of these scars and I don't recall having any ...

Dr. Wu Yuxin Reply:
The probability of developing keloids is higher.

Can I Use Niacinamide with Oral Accutane for Acne Scars?

Can oral isotretinoin be used in conjunction with topical glycolic acid? I have been taking oral isotretinoin for over two months now, with a dosage of about 2/3 of a 20mg capsule daily. I would like to ask if it is safe to apply a glycolic acid product (concentration = 15%) in t...

Dr. Wu Yuxin Reply:
Sure.

Can Excessive Face Washing Cause Scarring from Acne?

Acne and Facial Cleansing Hello, doctor. Due to oral isotretinoin, I have developed many closed comedones on my nose. I would like to know if washing my nose too vigorously or rubbing it too many times, causing the comedones to be removed, will leave scars? I am using my fingerti...

Dr. Wu Yuxin Reply:
It will not leave a scar.

Understanding Steroid Injections for Scar Management: What You Need to Know

The doctor only administers a small amount of steroids each time and says that too much cannot be given at once, but I haven't seen any results? Hello, Doctor. I would appreciate it if you could take the time to respond to my questions. Thank you. My family has a tendency to...

Dr. Wu Yuxin Reply:
1. It depends on the situation, as keloids are primarily an aesthetic concern. If they are not painful or itchy, treatment may not be necessary. 2. There should be an appropriate amount, as physicians have their professional considerations, which are not solely based on the patie...

Can Picking Your Nose Worsen Acne on the Nose? Expert Insights

Nasal acne Hello, doctor. I would like to ask if it's okay to pick my nose if I have pimples or large comedones on the tip of my nose. Does picking my nose cause pressure and distortion that could inadvertently affect the pimples or comedones? Additionally, could the pimples...

Dr. Wu Yuxin Reply:
Depressed acne scars are caused by cystic acne, not by the use of retinoids (A acid).

Post-Surgery Scars: Do Beauty Tapes Help and Hair Impact?

Postoperative scars Hello Doctor: I had surgery to remove a lipoma under my armpit, and I noticed that there is already a raised scar right after the stitches were removed. Is it still effective for me to use silicone tape now? Will underarm hair affect the effectiveness of the s...

Dr. Wu Yuxin Reply:
It can be applied; it is recommended to start using scar ointment after 2-4 weeks.

Effective Treatments for Persistent Acne Scars and Skin Issues

Skin issues? Hello, doctor. I have already gone through puberty, but I still have a lot of acne, acne scars, comedones, and hyperpigmentation on my face, resulting in an uneven texture. I have seen a doctor, but the medications I have taken and applied have not worked. During my ...

Dr. Wu Yuxin Reply:
Acne itself can lead to the formation of indented scars, not due to injection treatments. Multiple sessions of laser therapy can be used to improve these indented scars.

Understanding White Scars: Causes, Treatments, and Prevention Tips

White scars Hello Dr. Wu, I had a car accident on August 26th last month. The abrasion on my lower jaw has healed, and there are no open wounds, with the surface appearing smooth. The outer area of the injured site is white, while it becomes red towards the center. Does this co...

Dr. Wu Yuxin Reply:
Without actually seeing the lesion, it is difficult to make a definitive assessment. If it is causing significant distress, please seek medical attention as soon as possible. It may be possible to apply artificial skin or scar dressings.

Understanding A Acid for Acne: Benefits, Risks, and Seasonal Considerations

Taking A acid for acne? Hello Doctor, I have a tendency to develop acne, which became severe around the age of 21. Although it doesn't cover my entire face, I usually get two or three cystic, deep-seated pimples on my cheeks and chin that are difficult to heal. These pimples...

Dr. Wu Yuxin Reply:
You should consult your attending physician about this issue, as they are most familiar with your condition and can help you choose the appropriate medication.

Effective Treatments for Genital Warts: What You Need to Know

Treatment methods for cauliflower (cauliflower ear)? Hello, Doctor! One day while using the restroom, I noticed some unexplained warts growing at the urethral opening of my glans. I immediately went to see a urologist, and it was confirmed to be genital warts. The doctor prescrib...

Dr. Li Yufen Reply:
Hello: For a detailed introduction to genital warts (condylomata acuminata), you can refer to the article on the Dermatology Expert Health website at http://www.drskincare.com.tw/Qa/Detail.aspx?ID=154. It is recommended that you return for a follow-up consultation with your atten...

Effective Treatments for Acne and Scarring: A Guide for Teens

Acne scars Hello, doctor. I am 18 years old and have a lot of acne and acne scars on my forehead. Some of the acne are pustules, and I also have acne and scars on my back and chest. Should I rely on medication for treatment, or are there other methods to improve the acne and scar...

Dr. Li Yufen Reply:
Hello: Acne is a complex topic. You can refer to a series of articles on the Dermatology Expert Health Network at http://www.drskincare.com.tw/Qa/Index.aspx?CID=4. Thank you!

Understanding Post-Surgery Scars: Treatment Options and Concerns

Post-surgical scars Hello Doctor :) I underwent surgery in September 2015 and May 2016. The scar from the September surgery is located on my waist and one on my hip. Both scars have been present for 11 months now, but they are still red, swollen, and occasionally itchy with sharp...

Dr. Wu Yuxin Reply:
Any amount can be helpful. Individuals with a predisposition to keloids or hypertrophic scars have a higher risk for other types of wounds as well.

Understanding Brown and White Acne Scars on the Back and Chest

Brown and white acne scars on the back? Doctor, I often get acne on my back and chest, and the scars are difficult to heal. I also have raised spots that look like acne but are brown in color; they don't hurt when pressed and don't have any pus-like material, resembling...

Dr. Wu Yuxin Reply:
It could be hypertrophic scarring. Without actually seeing the lesion, it is impossible to confirm. If it is very bothersome, please seek medical attention as soon as possible.

AHA vs. Retinoids: Which is More Effective for Acne Scars?

Acne scar issues? Hello doctor, could you please tell me which is more effective for treating acne scars, Tretinoin or Azelaic Acid? Thank you for your response.

Dr. Wu Yuxin Reply:
For pigment scars, it is recommended to use azelaic acid.

Understanding Crab Lice Scars: Impact of Activity on Healing After Cryotherapy

Cryotherapy for keloids at the joint site? Doctor, I have a hypertrophic scar located on the outer side of my elbow. A few days ago, I underwent cryotherapy, and now blisters have started to form. The doctor advised me to wait for them to crust over and fall off on their own. I w...

Dr. Wu Yuxin Reply:
It's possible.

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