Dr. Li Yufen reply Dermatology Question - Page 18

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.

Skin care or insect repellent? Hello, doctor. Last night, I went to my usual spa for a skincare treatment, and when I got home, I noticed a slight swelling behind my ear, similar to a mosquito bite, with a bit of itching and redness. About half an hour later, it subsided a little...

Can individuals with urticaria dye their hair? I would like to ask the doctor if it's safe to dye or bleach my hair with urticaria. I haven't taken any medication or applied any topical treatments, and my hives have improved recently. I'm wondering if there will be...

Kill scabies mites? Can using mite-removing laundry detergent wash away scabies mites from clothing? Can general flea control products (like permethrin) kill scabies mites?

The issue of moles? Hello Doctor, about a year ago, I noticed a small dark spot on my lip. At that time, I visited a dermatologist who diagnosed it as a mole and treated it with liquid nitrogen. However, instead of disappearing, the mole has grown larger. The doctor mentioned it ...

Eucerin Cream 1. I visited the dermatology department at National Taiwan University Hospital due to redness and peeling around my nostrils, eyebrows, and eyes. The doctor mentioned it could be related to mites or seborrheic dermatitis and ordered a mite examination. However, I am...

Acne has persisted into this age? I have been taking low-dose isotretinoin (10 mg once a week) for acne control since 2010. I find that this dosage is sufficient to prevent breakouts, but if I stop taking it, I tend to develop severe acne that leaves behind deep scars and hypertr...

Small papules on the arm Hello Doctor, I have been troubled by this issue for a while. Currently, it occurs on my arms. Initially, there are small, scattered bumps that resemble goosebumps, about the size of a small pimple, usually one or two. However, if I accidentally scratch t...

Toilet water cauliflower Hello, doctor. Today, while I was at school using a squat toilet, I was in a hurry and didn't flush the toilet first. When I bent down to pull up my clothes, I suddenly felt something wet on my lips. After returning to the classroom, I used alcohol t...

Can the nail bed still grow? Due to work-related issues, my nail bed has been separated for a long time. Every time the nail bed reattaches, I never see the nail matrix grow back. Without the nail matrix, I notice that it easily separates upon impact, and the shape of my nail tip...

Black spots on the glans penis? Hello, I noticed a black spot on the glans while showering yesterday. The color isn't very dark, but it's getting larger. It doesn't hurt, but my testicles are itchy. What could this be a symptom of?

Nail problems Hello Doctor: I have had onychomycosis (fungal nail infection) for some time, but recently I noticed a dark spot appearing on my nails, and it's not just one toe; it’s almost all of them (without spreading to the skin). I visited a doctor today, and he said it ...

After applying the ointment for herpes simplex, the rash has increased in number? Hello doctor, I started applying the pompholyx eczema cream yesterday. It doesn't feel itchy, isn't red, and my hands aren't dry anymore, but the rash has spread and increased in numb...

The frequency of medication application and washing for athlete's foot? Hello, Doctor: I would like to ask about the antifungal creams clotrimazole and bifonazole for athlete's foot. Is there any recommendation stating that "before each application" or "b...

Regarding the transmission of sexually transmitted infections (STIs)? Hello Doctor: I was using an automatic flushing urinal at a client's factory when the flush was too strong and splashed some liquid onto my arm. The sink in the restroom was out of order, so I couldn'...

Urticaria and Infection I would like to ask the doctor if an infection can lead to urticaria? Last year, I suddenly developed urticaria that persisted and turned into chronic urticaria. Later, I was tested for Candida albicans, Gardnerella vaginalis, and Group B Streptococcus (GB...

Allergic constitution 1. How much does allergy testing cost? Where can I get tested and which department should I visit? 2. Allergic conditions: atopic dermatitis, eczema, chronic urticaria. 3. What should I do if my allergies are causing itching that prevents me from sleeping? 4...

Management of ulcers Can sulfur soap be used for laundry, or should hot water be used instead?

Itching in the vulva with small red bumps? Initially, there was slight itching around the anal area and the vulva, which progressively worsened over time. The skin in the vulvar area, particularly around the pubic hair, has developed numerous small red spots, with a smaller area ...