Acne, Dermatology FAQ - Page 25

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Understanding Seborrheic Dermatitis: Treatment Options and Tips

Seborrheic dermatitis Seborrheic dermatitis occurs in areas with increased sebaceous gland activity, and the first-line treatment typically involves topical corticosteroids. These should be used intermittently and in small amounts under a physician's guidance to achieve good...


Dr. Lin Xinpeng Reply:
Hello: It is generally recommended to use retinoids only at night. Applying retinoids once a day can help treat acne, but they are not advised for use with topical steroids for seborrheic dermatitis, which is recommended to be used twice a day. If necessary, you may need to chang...

[Read More] Understanding Seborrheic Dermatitis: Treatment Options and Tips


Understanding A Acid Cream Use: Side Effects and Skin Conditions Explained

Usage of A Acid Ointment Hello, doctor. I previously visited a dermatologist who mentioned that I have comedones and acne. I was prescribed a retinoid cream and another gel. I have used retinoids before, but this time I noticed that after applying it for a day or two, my skin bec...


Dr. Wu Yuxin Reply:
Based on your symptom description, I can say that it is indeed possible that you have A-acid dermatitis. Additionally, eosinophilic folliculitis is a rare inflammatory disease of the hair follicles, which cannot be fully explained with just a few words, but you should not worry t...

[Read More] Understanding A Acid Cream Use: Side Effects and Skin Conditions Explained


Understanding Prolonged Pityriasis Rosea: Symptoms, Diagnosis, and Treatment

Pityriasis rosea has lasted for 3 months? In December 2012, symmetrical red rashes appeared, and a visit to the clinic resulted in a diagnosis of Pityriasis Rosea. After a month of treatment (antihistamines and topical ointments), new rashes continued to emerge. The physician rec...


Dr. Wu Yuxin Reply:
Based on your description, it is indeed likely to be pityriasis rosea. Most sources indicate a duration of 6 to 8 weeks, but there are cases that persist for more than six months. Chronic pityriasis lichenoides (pityriasis lichenoides chronica) should also be considered, as it ma...

[Read More] Understanding Prolonged Pityriasis Rosea: Symptoms, Diagnosis, and Treatment


Understanding Skin Issues: Black Spots, Acne, and Possible Causes

What happened to the skin...? Hello Dr. Wu, I would like to ask about my skin condition as shown in the two images from this link: http://photo.xuite.net/cacake/6153704/1.jpg. When I enlarged one of the images, I noticed many small black dots. Are those black dots dirt, or someth...


Dr. Wu Yuxin Reply:
I can't see clearly! Is it faster to go directly to the hospital?

[Read More] Understanding Skin Issues: Black Spots, Acne, and Possible Causes


Understanding Skin Issues: Black Bumps After Factory Work Explained

Skin issues~~ I would like to seek clarification from the doctor? Hello Dr. Lin, since I started working in a factory dealing with rubber and iron powder, it seems that my skin has developed some issues. I have noticed black spots on my back that resemble acne, embedded in the sk...


Dr. Lin Xinpeng Reply:
Hello: Based on your description of scattered red or brown papules in the image, you did not mention any itching. If there is significant itching, it is generally associated with contact allergic dermatitis, which may be related to substances you have come into contact with, such...

[Read More] Understanding Skin Issues: Black Bumps After Factory Work Explained


Understanding Acne: Its Impact on Skin and Overall Health

Conditions related to acne? Hello, due to puberty, I have developed acne on my face (including my nose, forehead, chin, around my mouth, both cheeks, temples, between my eyebrows and above the nasal bone, and near my ears) as well as on my back and even on my buttocks. The acne i...


Dr. Wu Yuxin Reply:
It is normal to experience acne at your age. It indicates that you are going through the transition into adulthood, so there is no need to worry about your future reproductive ability. As for the issue with the glans, it is best to consult a urologist.

[Read More] Understanding Acne: Its Impact on Skin and Overall Health


Understanding Skin Bumps on Your Chest and Back: Causes and Solutions

Moles on the back and chest? Hello, doctor: There is something that has been bothering me for a long time. I have oily skin and am prone to acne, but I have noticed flesh-colored bumps appearing on my chest and back. They don't seem to be acne, and they don't itch. I pr...


Dr. Li Yufen Reply:
Hello: Acne commonly occurs on the face, chest, and back. It is recommended that you consult a dermatologist nearby to confirm whether the diagnosis is acne, folliculitis, or another issue, so that appropriate treatment can be provided. Acne on the body usually requires patience ...

[Read More] Understanding Skin Bumps on Your Chest and Back: Causes and Solutions


Are Nose Strips Effective for Blackheads? Long-Term Effects Explained

Are nasal strips effective? What are the long-term effects of using them? Hello, doctor! I have a lot of blackheads, and I currently use nose strips about once a week. I've been using them continuously for two to three years, and each time I pull out quite a few blackheads, ...


Dr. Wu Yuxin Reply:
Using nose strips once a week should be harmless and will not enlarge the pores. The key point is that acne is a normal physiological phenomenon, and its severity varies from person to person. It is advisable to use products that promote the metabolism of acne regularly, such as ...

[Read More] Are Nose Strips Effective for Blackheads? Long-Term Effects Explained


Understanding and Treating Chin Acne: Causes and Solutions

Chin acne Hello Doctor: I (male) often get acne on my chin. Every time one clears up, another one appears, and sometimes several pop up at once, all concentrated on my chin, making it look red and inflamed. It seems to be caused by hormonal imbalance (e.g., male hormones). If it ...


Dr. Yang Zhiya Reply:
Male hormones can exacerbate acne, but it is not necessarily caused by endocrine disorders. If you have been attentive to your daily skincare routine and still experience breakouts, you may consider visiting a dermatologist for treatment.

[Read More] Understanding and Treating Chin Acne: Causes and Solutions


Does Excessive B12 Intake Cause Acne Breakouts?

Does excessive intake of vitamin B12 cause acne? Hello doctor, I have high levels of homocysteine, and my neurologist prescribed methylcobalamin for me. I take about 1 mg per day, and since I started taking it at the end of March, I've been experiencing a significant increas...


Dr. Yang Zhiya Reply:
Vitamin B12 generally does not cause an increase in acne. There are many factors that contribute to acne, including oily skin, environment, temperature, hygiene, skincare products, sleep quality, and diet, among others.

[Read More] Does Excessive B12 Intake Cause Acne Breakouts?


How to Differentiate Between Bacterial and Fungal Folliculitis?

Examination of bacterial or fungal folliculitis? Hello Doctor: In the past, I had acne on my chest and underwent treatment for bacterial and fungal folliculitis. After three months of treatment with the antifungal medication ketoconazole, I continued with the antibiotics for bact...


Dr. Yang Zhiya Reply:
In the case of purulent conditions, it is possible to incise the abscess to obtain the contents for bacterial and fungal cultures, and the hospital can bill for National Health Insurance coverage.

[Read More] How to Differentiate Between Bacterial and Fungal Folliculitis?


Understanding AHA: Benefits, Side Effects, and Sunscreen Tips for Skin Care

Alpha hydroxy acid issues & sun protection Hello, Doctor: I would like to improve my enlarged pores and some acne and comedone issues. I have purchased a home-use glycolic acid product (NeoStrata Gel Plus-15 AHA, 100ml) to apply. I have the following questions for you: 1. I...


Dr. Wu Yuxin Reply:
1. Yes. 2. In principle, it is acceptable, but if redness occurs, it is advisable to pause usage. 3. Continuous use is necessary for enlarged pores to see ongoing improvement. 4. If you haven't been exposed to the sun for an extended period, applying a primer is suffic...

[Read More] Understanding AHA: Benefits, Side Effects, and Sunscreen Tips for Skin Care


Do Microneedling and Laser Treatments Really Improve Acne Scars?

Regarding some medical aesthetics? Hello, doctor. I would like to ask about the microneedling rollers and flying needles that some beauty clinics are offering for atrophic acne scars. Do these procedures have any real efficacy for treating such scars? Additionally, if they are ef...


Dr. Wu Yuxin Reply:
Atrophic acne scars are primarily treated with fractional laser and dermabrasion, with the main difference being the recovery time. The results are noticeable, but multiple treatments are necessary, and achieving complete smoothness is not possible; this is something that should ...

[Read More] Do Microneedling and Laser Treatments Really Improve Acne Scars?


Understanding Granular Lesions on the Foreskin: Causes and Solutions

There are suspected granular foreign bodies on the foreskin? Hello Doctor, this condition has been ongoing for a long time, but since it is completely painless and itch-free, I haven't paid much attention to it. However, I am concerned it might be a skin condition, so I am s...


Dr. Wu Yuxin Reply:
It looks a bit unclear, resembling a sebaceous gland. If there are any concerns, please consult a dermatologist for evaluation.

[Read More] Understanding Granular Lesions on the Foreskin: Causes and Solutions


Struggling with Acne: Effective Solutions for Persistent Breakouts

Acne issues? Hello, I have a lot of acne and acne scars on my face. I visited a doctor who diagnosed me with acne, but after taking medication and applying topical treatments for almost a month, my condition has worsened and more acne has appeared. What should I do?


Dr. Wu Yuxin Reply:
In addition to medication prescribed by a physician, patients also bear some responsibility for acne control, such as maintaining a proper lifestyle. Many people believe that simply seeing a doctor, taking medication, or applying topical treatments is sufficient; however, if they...

[Read More] Struggling with Acne: Effective Solutions for Persistent Breakouts


Could My Girlfriend Have Contracted Scabies? Symptoms and Concerns

Could it be scabies? I would like to ask the doctor, my girlfriend had an internship at the hospital and while taking vital signs of a patient suspected to have scabies, she touched the patient's hands for no more than 3 minutes. She also washed her hands thoroughly afterwar...


Dr. Yang Zhiya Reply:
Hello, unless there is a previous history of scabies infection, the rash typically appears 3-4 weeks after the first exposure to scabies mites and subsequent infection. However, if there has been contact with a scabies patient, it is advisable to apply preventive medication befor...

[Read More] Could My Girlfriend Have Contracted Scabies? Symptoms and Concerns


How to Alleviate Stinging from Silian Ointment Use on Skin?

Using Silian ointment may cause stinging. How can I prevent the stinging sensation? I visited a dermatologist today, and the doctor said I have acne, sunspots, and comedones on my face. I was advised to apply Silian ointment. When I used Silian before bed, it really stung, almost...


Dr. Yang Zhiya Reply:
Hello, when using Silian ointment for the first time, you may experience some irritation. It is recommended that if you feel very uncomfortable, you should temporarily discontinue use and wait for your skin to recover. If you wish to use it again, you can apply a thinner layer or...

[Read More] How to Alleviate Stinging from Silian Ointment Use on Skin?


Laser Treatments for Acne Scars and Keratosis: What You Need to Know

Can laser treatment be used for keratosis pilaris and acne scars? Hello, I have brown scars on my body caused by squeezing pimples and keratosis pilaris on my arms. These scars have been present for over seven years, and the color is still very noticeable, resembling brown spots ...


Dr. Lin Xinpeng Reply:
Hello: Based on your description, your condition seems to be more aligned with post-inflammatory hyperpigmentation. Generally, the pigmentation on the body takes a longer time to fade, ranging from a few months to several years. Since the circulation in the body and limbs is not ...

[Read More] Laser Treatments for Acne Scars and Keratosis: What You Need to Know


Understanding Redness on the Face: Causes and Solutions for Skin Issues

There is a red patch on the face? Hello Doctor, I previously had a patch of many pimples and closed comedones on the right side of my face. In order to heal quickly, I used a facial cleanser with exfoliating ingredients for a while in addition to applying medication. After some t...


Dr. Lin Xinpeng Reply:
Hello: Improper use of exfoliating agents, especially on inflamed skin conditions, can indeed lead to irritant contact dermatitis. Since you have applied acne medication, if it contains retinoids, alpha hydroxy acids, or antibacterial agents, combined with excessive use of cleans...

[Read More] Understanding Redness on the Face: Causes and Solutions for Skin Issues


Understanding Scalp Redness and Acne: Causes and Solutions

Redness and swelling on the scalp? Hello, Doctor. I have two questions I would like to ask: First, for the past month or so, I have been experiencing multiple small red bumps on my scalp that resemble pimples. They are slightly painful to the touch, and my scalp is very itchy, ...


Dr. Wu Yuxin Reply:
It seems that an old issue has recurred. The scalp and facial skin likely have cystic acne. The treatment provided by the physician two years ago was effective and could help accelerate recovery. Cystic acne is prone to recurrence, so it is advisable to seek treatment promptly to...

[Read More] Understanding Scalp Redness and Acne: Causes and Solutions


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