Skin, Dermatology FAQ - Page 50

Topical retinoic acid and oral azelaic acid issues? Hello, doctor. I have been troubled by acne and pigmented acne scars for a long time. I am taking 20 mg of oral isotretinoin daily, applying azelaic acid in the morning, and using a third-generation retinoid at night. I would li...

Dark spots have appeared on the ankle, gradually increasing in size? Hello Doctor, I was diagnosed with Type 1 diabetes at the age of 12, and it has been about 13 years since then. About six months to a year ago, I suddenly noticed a small red spot on my ankle that was neither pa...

Restrictions on face creams Hello, I would like to ask what types of medications or topical treatments would contraindicate the use of creams or skincare products. Thank you.

Could you please provide the content you would like me to translate? Hello, can irregular lifestyle and stress lead to the formation of subcutaneous cysts? How can I reduce inflammation and swelling? (Last time, I didn't know why it just went away on its own.) What should I ...

Red bumps continuously appear on the buttocks? I have a persistent red lump that appears in a fixed spot on my left buttock. It has been there for over a decade, and I've learned to live with it, but in the past two years, it has been appearing more frequently, possibly due ...

My hands and feet are very itchy? I used to have a frequent problem with itchy hands and feet when I was younger, and I often experienced excessive sweating in my hands and feet. I had small blisters, peeling skin, and redness on my hands, and even when I applied medication, the ...

After having a bowel movement and cleaning thoroughly, there is a burning sensation around the anal area? Hello Doctor, I underwent anal fistula excision surgery at the end of last year. Postoperatively, my wound healing was not very good due to excessive granulation tissue forma...

A black circular lump in the middle of the testicle that is painful to touch? Hello, doctor. As mentioned, I have developed around ten black circular nodules between my testicles, which are painful to the touch. I have applied some eczema cream and steroid ointment at home, but t...

Keloid scar patches Hello Dr. Lee: I have a keloid on my chest that has been present for 7 years (measuring 3 cm by 2 cm). I would like to ask if it is safe for me to use silicone gel sheets on this keloid long-term? (I don't experience much allergic reaction after applying ...

Cryotherapy Hello, doctor. I would like to inquire about a plantar wart that I underwent cryotherapy for four years ago. Since the treatment, I have observed that the treated area has developed a calloused appearance. When I apply pressure, I experience some pain and it feels har...

There are red rashes on the hairy areas of the calf, and there is a stinging sensation when rubbed? I only feel a sharp pain when it is rubbed. I first noticed something unusual on Tuesday. My skin has become very sensitive.

I would like to inquire about the skin rash associated with syphilis? Hello, around June, I developed red rashes on the sides of my forearms and thighs (the doctor said it was very mild), and I also experienced purpura and itching on my scrotum. In July, I was diagnosed with syph...

Peeling skin on the chest? Hello doctor, my breast areola has been peeling, appearing brown in color, and it can be peeled off. It feels a bit rough to the touch, and this has been going on for quite a long time, almost a year. I would like to know what might be the cause and how...

Ointment issues? Hello Dr. Wu, I would like to ask you a question. Recently, I visited a dermatology department at a large hospital for treatment of genital warts and underwent cryotherapy. The dermatologist provided me with a tube of ointment, and I recall being told that I coul...

Can individuals with keloid-prone skin use azelaic acid? Hello Doctor: I have a tendency to develop keloids and have been using azelaic acid (Simei ointment) to treat my rosacea on the face. I came across information online stating that individuals with a keloid tendency should n...

If you have been experiencing persistent scalp acne for over six months, it is advisable to consult a dermatologist. They can evaluate your condition and recommend appropriate treatments, which may include topical or oral medications, medicated shampoos, or lifestyle changes to h...

Hyperpigmentation of the buttocks? For the past two years, I have had acne on my buttocks, which I have scratched and injured, leading to severe friction that caused roughness on both sides. The entire area has become very dark. Although the acne has mostly cleared up, I have bee...

Is it folliculitis? A week ago, I felt a lump at my temple that seems to be painless, itchless, and colorless. The dermatologist said it is folliculitis. I have been taking antibiotics and applying topical medication for a week, but it hasn't improved. How long will it take ...

Skin issues Hello Doctor: I work in cleaning and wear rubber boots every day, regardless of the season. I had athlete's foot before I became a cleaner, which has led to onychomycosis (fungal nail infection) in both feet, and it keeps recurring. Sometimes when I have to work ...

Department of Dermatology Hello, doctor: I apologize for not wanting to repeat my question, but I forgot to ask you earlier. I'm really sorry; I have a mental illness, so I forgot to include the questions in my previous inquiry. I would like to ask you if I can use a male-sp...