Acne, Dermatology FAQ

Effective Acne Treatments: Expert Advice and Options in Changhua

Acne 1. Could you please recommend a well-known acne clinic or dermatologist in Changhua? (Authority) 2. My acne issue seems to fall into the moderate to severe category, with comedones, many inflamed cystic lesions, and some small red papules. 3. How long does the treatment ...

Dr. Jiang Zheen Reply:
You don't necessarily need to go to a renowned specialist; any board-certified dermatologist can effectively treat your acne. In fact, many patients find that their doctors have limited interaction time. Generally, acne treatment requires 3-4 months. Oral isotretinoin is the...

Understanding Scalp Acne: Causes, Treatments, and Prevention Tips

Please come closer, doctor? Doctor, may I ask you a question? I have developed a large number of lesions on my scalp that resemble acne. After healing, the affected areas lose a significant amount of hair. I've heard people refer to this as "scalp fungus." Is that ...

Dr. Jiang Zheen Reply:
You have a stubborn deep folliculitis that may require long-term antibiotic treatment, as deep folliculitis can damage the entire hair follicle, leading to irreversible hair loss. Therefore, a more aggressive treatment approach is necessary, and you should seek treatment at a lar...

Understanding Skin Irritation from Benzoyl Peroxide: Causes and Solutions

Skin irritation caused by benzoyl peroxide ointment? Hello, Doctor! I have been troubled by this issue for a long time, and it remains unresolved. I hope you can help me; I would be very grateful! In April, I developed many small bumps on my face due to skin sensitivity, which we...

Dr. Huang Ruiyun Reply:
1. Benzoyl peroxide is a medication used to treat acne (scientifically known as acne vulgaris), not for treating sensitivity. It can cause skin dryness and peeling when used excessively. Additionally, a small number of individuals may experience allergic reactions such as contact...

Help! Unexplained Skin Issues: Redness, Itching, and Scarring

Please help me? Hello Doctor: In February, I experienced an unexplained episode of severe flushing that lasted about 7-10 days, during which my skin became so red that it peeled off a layer. Since then, my skin has exhibited quite unusual symptoms. Starting in mid-May, I frequent...

Dr. Zheng Lizhen Reply:
Hello: Please go to a large hospital for further blood tests or skin biopsy examinations. Sincerely, Dr. Cheng Li-Chen, Dermatology.

Understanding Eczema vs. Acne: Skin Issues on Thighs and Buttocks

Unsure if it's eczema or acne? For a long time, I have had small, pimple-like bumps on my buttocks and inner thighs. They cause stinging and itching, which leads me to scratch them, resulting in extensive scarring and hyperpigmentation that looks unsightly. It feels similar ...

Dr. Zheng Lizhen Reply:
Hello: Please visit a dermatology specialty clinic for an accurate diagnosis and treatment. Sincerely, Dr. Cheng Li-Chen, Dermatologist.

Long-Term Use of A Acid: Benefits, Risks, and Sunscreen Tips

Retinoic acid Is it safe to use topical retinoids long-term, and are there any adverse effects on the skin after discontinuation? If there are acne scars on the face, can retinoids be used long-term for treatment? How should one choose a sunscreen?

Dr. Zheng Lizhen Reply:
Hello: Is it safe to use retinoic acid long-term? However, it should be noted that it is not suitable for pregnant women, and one should also be aware of the issue of photosensitivity. Therefore, proper sun protection is essential. Sunscreen should be clearly labeled, with a mini...

Effective Treatments for Acne Scars: Options and Costs Explained

Acne scars When I was a child, I used to get pimples on my buttocks, particularly at the junction between the buttocks and the thighs. However, as I grew older, I rarely experienced this issue, but it left behind unsightly scars, roughly the size of my palm. They are noticeably a...

Dr. Zheng Lizhen Reply:
Hello: Please visit a dermatology specialist for diagnosis and treatment. Sincerely, Dr. Cheng Li-Chen, Dermatology.

Top Dermatologists in Central Taiwan for Acne Treatment Solutions

Famous Dermatologist in Central Taiwan Hello, doctor. I am stationed in Changhua, and I have been struggling with acne for a long time, which has greatly affected my self-confidence. Since you are an expert in dermatology, I would like to ask if there are any well-known dermatolo...

Dr. Zheng Lizhen Reply:
Hello: The dermatology specialty medical institutions in Changhua are as follows: - Changhua Show Chwan Hospital - No. 542, Section 1, Zhongshan Road, Changhua City - Chen Jianhong Dermatology Clinic - No. 248, Xiaoyang Road, Changhua City - Li Yongzai Dermatology Clinic - No. ...

Persistent Acne on One Side: Is It a Sign of Underlying Issues?

Recurrent acne? Hello Doctor: I have acne only on the left side of my face, and there are no whiteheads, just red, swollen bumps that are painful to touch. The medication prescribed by the doctor seems to be causing more breakouts, and they keep spreading, always appearing in the...

Dr. Huang Ruiyun Reply:
No. Pay attention to whether there is frequent friction in that area or if you tend to sleep on that side.

Is It Safe to Use Acne Gels During Pregnancy?

Is it safe to use during pregnancy? Hello, doctor. Recently, I have been using an acne gel to inhibit the formation of cystic acne, which contains the following ingredients: witch hazel, ethyl alcohol, carbomer, and salicylic acid. I have stopped using retinoid products due to my...

Dr. Zheng Lizhen Reply:
Hello: Topical application generally does not pose significant issues, but no one can provide a 100% guarantee. Sincerely, Dr. Cheng Li-Chen, Dermatologist.

Understanding and Treating Keratosis on Your Arms: A Guide for Teens

Stratum corneum on the arm? Hello Doctor: I am a high school male student. Since elementary school, I have had small white bumps on my arms and hands that look like acne. When squeezed, they also release a white substance. I have visited many small dermatology clinics, and the do...

Dr. Huang Ruiyun Reply:
You can purchase fruit acid products to try out. Higher concentration at-home fruit acids can be found at dermatology clinics or medical beauty centers (referred to as medical channels).

Understanding Scabies: Symptoms, Treatment, and Scarring Concerns

About scabies? It seems that I might have scabies... 1. What are the obvious symptoms? 2. If I have it, how should I treat it? [I have already applied medication - Scabicide] 3. Is it only transmitted through skin contact or contact with clothing? 4. Will there be scars after tre...

Dr. Jiang Zheen Reply:
Scabies can cause intense itching, especially at night. You can apply permethrin cream, and clothes should be disinfected with hot water. Bed linens should be sun-dried. After treatment, there should be no scarring. You should visit a dermatology clinic for proper diagnosis and t...

Understanding Acne Medications: Efficacy, Side Effects, and Duration

Medications for Acne I have an acne problem, and the doctor prescribed me some medications (Famotidine, Borymycin, Ascorbic Acid Tablets, and Neofusin + Urea Cream). I have been taking them for over a year, but sometimes I stop for one to two weeks, and it recurs. What are their ...

Dr. Jiang Zheen Reply:
Famotidine is an antacid. Why did the doctor prescribe this medication for you? Borymycin is an antibiotic, one of the medications used to treat acne. Ascorbic acid is vitamin C. You may consider trying oral vitamin A acid.

Understanding Symmetrical Red Rash: Causes and When to Seek Help

Is it possible for a rash to present with a symmetrical distribution? Recently, the weather has been humid, and I have developed some red spots about 1-2 centimeters in diameter on my abdomen, buttocks, and thighs. The spots are slightly raised and can be painful when pressed. So...

Dr. Jiang Zheen Reply:
Your issue is more complex and should be addressed at a dermatology clinic. Your skin condition seems to be related to heat and is likely caused by blocked sweat glands and pores. Wishing you well.

Understanding Collagen Scar Removal: Benefits and Risks for Acne Scars

Collagen Scar Removal Recently, there is a technique called collagen scar removal that is reported to be effective for treating depressions on the cheeks. Unlike procedures such as microdermabrasion, which require a long recovery and care period, I would like to know if this tech...

Dr. Zheng Lizhen Reply:
Hello: This method utilizes collagen as a filler to fill in depressions. It is important to pay attention to the source of the collagen to avoid infection. Sincerely, Dr. Cheng Li-Chen, Dermatologist.

Effective Methods to Remove Acne Scars: What You Need to Know

Are there better methods for reducing acne scars? Are there any effective methods to eliminate the marks (red spots, scars) left behind after having acne in the past?

Dr. Zheng Lizhen Reply:
Hello: Atrophic scars can be treated with laser resurfacing surgery or with injectable fillers such as collagen or hyaluronic acid. As for the red or hyperpigmented spots left by acne, these typically fade gradually over time (approximately three to six months). Using whitening p...

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

Acne issues? Can a doctor use laser treatment to remove acne and acne scars? If removed, will they come back? How much does laser treatment typically cost? Are there hospitals in Miaoli that offer laser treatments? Additionally, I have many acne on my body; what treatment options...

Dr. Huang Ruiyun Reply:
If there are only residual red or black marks, they will fade on their own after a few months. If financially feasible, using intense pulsed light (IPL) can expedite the healing process slightly. Therefore, the focus should be on treating the acne itself rather than the scars. If...

Understanding Acne Scars: Do You Need Dermabrasion for Treatment?

My acne scars! I have many acne scars on my skin, mostly around the cheeks. They are the type that are indented, with mostly small pits and some larger ones. I previously visited a dermatology clinic where they prescribed topical medications, which seemed to reduce the acne and b...

Dr. Huang Ruiyun Reply:
Yes. The charges vary slightly from hospital to hospital. In our hospital, the price for erbium YAG laser treatment is 4,000 for one cheek, 8,000 for both cheeks, and 12,000 for the entire face. However, the machine is currently out of order, so this is for reference only. The nu...

Sudden Acne Outbreak: Causes, Concerns, and Treatment Options

Acne breakout Hello, doctor. My face suddenly developed a lot of acne within a day or two. I used to hardly have any acne. I have seen other dermatologists, but they were very dismissive and didn’t provide me with any information. The nurse said it is just acne, but could it poss...

Dr. Jiang Zheen Reply:
Some patients still experience sudden breakouts of acne within a few days, which can sometimes be related to sudden hormonal imbalances, lack of sleep, stress, topical skincare products, sun exposure, and other factors. If your symptoms are severe, you should visit a dermatologis...

Should You Use Retinoids for Acne? Insights on OBAGI Products

Is it advisable to use retinoic acid? I have acne-prone skin. Should I use retinoids? Have you heard of the OBAGI brand?

Dr. Jiang Zheen Reply:
Patients with acne can use vitamin A acid. Currently, there are several brands of vitamin A acid available, as it is a prescription medication that requires a doctor's prescription. You should check if the active ingredient is isotretinoin, retinoic acid, acitretin, or adapa...

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