Understanding Red, Itchy Bumps: Causes and Treatments for Skin Issues
Red and itchy skin? Hello Dr. Lee: Around May, I started to develop small red bumps on my chest that looked like acne and were very itchy. Then it spread to my neck, abdomen, and sides of my waist. I consulted a dermatologist, but the topical and oral medications were ineffective...
Dr. Li Yufen Reply:
Hello: Based on the textual description, it is not possible to accurately diagnose the specific skin condition. During the summer, high temperatures can easily lead to various skin issues. After skin inflammation, it is possible to have post-inflammatory hyperpigmentation, which ...[Read More] Understanding Red, Itchy Bumps: Causes and Treatments for Skin Issues
Understanding Sebaceous Cysts: CO2 Laser Treatment and Insurance Coverage
Sebaceous cyst Hello, I would like to ask if the treatment of sebaceous gland cysts with "carbon dioxide laser" is covered by health insurance or if it needs to be paid out of pocket? Will the carbon dioxide laser leave scars?
Dr. Wu Yuxin Reply:
Out-of-pocket expenses are required, and if the lesion is deeper, there is a possibility of some scarring.[Read More] Understanding Sebaceous Cysts: CO2 Laser Treatment and Insurance Coverage
Effective Treatments for Hypertrophic Scars: Expert Insights
Scar management Hello Dr. Wu, When I was in the second year of junior high, I fell and scraped my knee, which resulted in a hypertrophic scar. Now that I am in my second year of college, the scar has not changed at all. Will it fade on its own, or is there something else that ca...
Dr. Wu Yuxin Reply:
The chances of self-resolution are likely low. It is advisable to consult a dermatologist for treatment. Typically, injections are administered every 2 to 4 weeks depending on the condition, but this only improves the situation rather than completely eliminating it.[Read More] Effective Treatments for Hypertrophic Scars: Expert Insights
Understanding Chickenpox: Risks of Infection and Prevention Tips
About Chickenpox Hello Dr. Wu: Today, when I was at a convenience store, I noticed a child nearby (around 10 years old) who had numerous noticeable pockmarked scars on his hands and feet, which seemed to be from chickenpox. I was about five steps away from him. I did some online ...
Dr. Wu Yuxin Reply:
It is possible; infection is a matter of probability. The greater the amount of exposure and the longer the duration, the higher the likelihood of infection.[Read More] Understanding Chickenpox: Risks of Infection and Prevention Tips
Understanding the Use of Silian Cream for Acne Treatment and Prevention
Regarding the usage of Silian Cream? Can I apply that ointment immediately after squeezing a pimple, or does it only serve to lighten acne scars and prevent new breakouts? Additionally, how can I prevent hyperpigmentation from acne? Sometimes, even if I don't touch the pimpl...
Dr. Wu Yuxin Reply:
1. Silyan cream contains azelaic acid, which is a commonly used topical medication in dermatology. This medication is effective for acne, comedones, enlarged pores, and skin whitening to reduce pigmentation. 2. Melanin deposition refers to what we call post-inflammatory hyperpi...[Read More] Understanding the Use of Silian Cream for Acne Treatment and Prevention
Understanding Mosquito Bites: Skin Reactions and Potential Complications
Regarding mosquito bites? Dear Dr. Wu, I would like to ask you a few questions regarding a previous mosquito bite I experienced. The mosquito that bit me was relatively large, and the area of the bite has become red and swollen, appearing larger than usual. Currently, the skin a...
Dr. Wu Yuxin Reply:
1. Of course. 2. If only a single mosquito bites, the symptoms are primarily localized. As for systemic complications or sequelae, they are generally unlikely to occur unless there are multiple bites.[Read More] Understanding Mosquito Bites: Skin Reactions and Potential Complications
How to Determine if Your Wart Has Healed After Treatment
How to determine if a wart has healed? Hello Dr. Wu, I would like to ask how to determine if the warts on my hand have healed. Is it normal for the skin to have a different color after cryotherapy compared to the original skin color? Or will the color truly be different after h...
Dr. Wu Yuxin Reply:
Whether there is complete healing can only be determined through follow-up by a physician. It is normal for the skin to have a different color after cryotherapy; most cases will recover, while a small percentage may develop scars due to deeper lesions.[Read More] How to Determine if Your Wart Has Healed After Treatment
Is It Normal for Warts to Turn Black and Hard After Cryotherapy?
After cryotherapy for a viral wart, it has turned black and hardened?! Hello Doctor, I would like to ask if it is normal for the treated area of a viral wart to become black and hard after cryotherapy? It has been 10 days since I had cryotherapy on my fingers. One finger develope...
Dr. Li Yufen Reply:
Hello: After cryotherapy, some individuals may develop noticeable blisters, while others may experience less prominent reactions, directly forming a hard scab that eventually falls off. Typically, this process does not leave scars. Thank you![Read More] Is It Normal for Warts to Turn Black and Hard After Cryotherapy?
Choosing the Right Scar Treatment After an Injury: A Guide
Scar treatment for injuries? I previously had an injury and want to remove the scar, but there are many types available on the market, and I'm unsure which one to buy. Would it be better if I visit a dermatologist at the hospital to get a scar removal ointment? There are two...
Dr. Lin Xinpeng Reply:
Hello: I'm not sure what type of scar you are referring to. Scars can generally be classified into atrophic scars and hypertrophic scars. Currently, there are no effective topical medications for atrophic scars. For hypertrophic scars, scar gels or silicone sheets can be use...[Read More] Choosing the Right Scar Treatment After an Injury: A Guide
Effective Treatments for Acne Scars on the Nose
Nasal wing acne scars issue? Hello Doctor: Due to family predisposition, I tend to develop acne on my nose. In the early stages, I did not take proper care, and now there are acne scars on the sides of my nostrils. I would like to ask: Should I consult a dermatologist at a major ...
Dr. Wu Yuxin Reply:
There are many types of acne scars; some can be treated simply with topical ointments, while others may require laser treatment. Since I cannot see the condition of your scars, I recommend that you consult a healthcare professional first to confirm the situation before deciding o...[Read More] Effective Treatments for Acne Scars on the Nose
Understanding Whiteheads: Do They Really Turn into Acne Scars?
Concerns about acne? I previously asked my doctor about the issue of whiteheads not improving after using retinoids for over a year. Today, I visited a dermatologist who told me that my whiteheads might have turned into acne scars, and that I would need laser treatment for effect...
Dr. Wu Yuxin Reply:
If acne is not removed in time, it may lead to enlarged pores and resemble acne scars (depressed scars). Fractional laser treatment can indeed improve this condition.[Read More] Understanding Whiteheads: Do They Really Turn into Acne Scars?
Understanding Keloids: Causes, Risks, and Personal Susceptibility
About keloids? Dear Doctor, Hello, I had a circumcision in high school that resulted in a short foreskin issue. In early September last year, I decided to undergo a skin graft surgery. Unfortunately, two weeks post-operation, I discovered an infection that caused necrosis of the...
Dr. Wu Yuxin Reply:
Keloids and hypertrophic scars are not easily distinguishable in the early stages, as they are related to individual constitution, the location of the injury, and its severity. The difference lies in the fact that hypertrophic scars tend to regress after several months, while kel...[Read More] Understanding Keloids: Causes, Risks, and Personal Susceptibility
Should You Wait for Scars to Mature Before Getting Fractional Laser?
Fractional laser Hello, doctor. I previously had scar revision surgery on my face, and I would like to know if I should wait for the scars to turn white and mature before undergoing fractional laser treatment to make the scars smoother. The scars are currently 7 months old, but t...
Dr. Li Yufen Reply:
Hello: If you have a tendency for hypertrophic scars or keloids, it is not recommended to undergo fractional laser treatment. Thank you![Read More] Should You Wait for Scars to Mature Before Getting Fractional Laser?
Should You Wait for Scar Maturation Before Laser Treatment?
Surgical scar Hello, Doctor. I previously underwent scar revision surgery on my face, and I would like to know if I should wait until the scar becomes white and mature before undergoing fractional laser treatment to make the scar smoother. It has been 7 months since the surgery, ...
Dr. Wu Yuxin Reply:
Scars typically mature in about six months, so your situation should be acceptable. The slight redness in the middle is likely due to vascular tissue that has not fully resolved. However, a careful evaluation is still needed to determine which type of laser treatment is appropria...[Read More] Should You Wait for Scar Maturation Before Laser Treatment?
How to Heal Acne Scars Quickly: Tips for Fast Recovery
Acne scars Due to squeezing a pimple on my chin, I have a wound that hasn't healed for a long time. The wound finally formed a scab, but it fell off again when I washed my face, and now it's a wound again... It's been over 3 months... (I have already seen a dermato...
Dr. Wu Yuxin Reply:
Poor wound healing may be due to uncontrolled infection, human factors (such as picking or scratching), or in your case, a deeper cyst that has caused the issue. A personal examination is necessary to determine the appropriate treatment direction. As for cosmetic fillers, their u...[Read More] How to Heal Acne Scars Quickly: Tips for Fast Recovery
Persistent Lip Bumps After Cold Sore: Causes and Treatment Options
After the cold sore has healed, the redness and swelling on the lips have not subsided and have turned into pimples? Hello Doctor: I would like to inquire about a recent issue. I had a cold sore, and after seeing a doctor and applying medication, I have recovered. However, the ar...
Dr. Wu Yuxin Reply:
Acne typically does not occur on the lips, as the lips lack hair follicles and sebaceous glands. Therefore, it is necessary to personally examine for other possibilities, such as scars, fibromas, etc.[Read More] Persistent Lip Bumps After Cold Sore: Causes and Treatment Options
Can Differin Help Smooth Acne Scars and Is Long-Term Use Safe?
Questions related to the use of retinoic acid? 1. Can applying retinoid (Differin) help make the indentations on my nose less noticeable or smooth them out due to acne picking? 2. I am currently using Differin; is it safe to use this medication long-term? (I have been using it f...
Dr. Wu Yuxin Reply:
Laser treatment is necessary for effective treatment of atrophic scars; topical retinoids like tretinoin do not show significant results. Differin can be continued as long as there are no signs of allergy or intolerance after use.[Read More] Can Differin Help Smooth Acne Scars and Is Long-Term Use Safe?
Understanding Depressed Scars: Healing Time and Treatment Options
Depressed scar issues Hello, I previously received an injection for acne, and about 1.2 weeks later, I noticed a depression in my skin. Will this heal? How long might it take? It has been depressed for 2 months already. Should I continue to wait, or should I seek some treatment? ...
Dr. Wu Yuxin Reply:
After receiving an injection for acne, the skin may develop indentations, which could be either atrophic scars that are formed by the acne itself or temporary depressions. Atrophic scars are permanent and will not heal on their own; they require treatment such as carbon dioxide l...[Read More] Understanding Depressed Scars: Healing Time and Treatment Options
Can Collagen Supplements Improve Old Scars on the Face?
Facial scars Can consuming collagen protein powder improve scars on the face, or is surgery necessary? The scars have been present for a long time.
Dr. Wu Yuxin Reply:
Taking collagen is definitely ineffective. Whether surgery is necessary or if there are other methods to improve the situation depends on the type and nature of the scar.[Read More] Can Collagen Supplements Improve Old Scars on the Face?
Facial Mole Removal: Will a Biopsy Leave Scars?
Facial mole removal? Will there be a scar after the biopsy? Since it's on the face, there absolutely cannot be any scars. Should I see a dermatologist or a cosmetic medicine specialist for the biopsy?
Dr. Wu Yuxin Reply:
Every step leaves a trace, whether it is obvious or not. If necessary, you can seek assistance from an orthopedic surgeon.[Read More] Facial Mole Removal: Will a Biopsy Leave Scars?