Skin, Dermatology FAQ - Page 28

Diagnosis and Treatment of Scrub Typhus Today I discovered a strange circular mark on my ankle, approximately 0.2 to 0.3 centimeters in size. It resembles an insect bite, with a black center and deep red surrounding area. I noticed that the area around the wound itches at night. ...

The order of using skincare products for oily skin? Hello, I recently saw online that the skincare routine for oily skin should not be toner → serum → moisturizer, but rather moisturizer → serum → toner. Is this credible? If both sequences are inappropriate, what is the correct s...

There is a hard lump under the pubic hair? Hello, Doctor. I have a lump about 1.5 cm in size located under the pubic hair near the base of my penis (approximately 1 cm away). It is the only lump, non-painful, elastic, and connected to the skin. After shaving the hair, I noticed a...

Issues with Removing Moles Hello, Doctor: I have had a brown mole on my little finger for many years, measuring about 0.2 to 0.3 cm. Recently, I noticed that it has darkened and feels slightly raised, so I picked at it and accidentally removed a layer of dark skin, but the origin...

Timing for Washing Oily Skin Hello, doctor. I wake up around 7 AM every morning, wash my face, and then apply foundation before heading to work. I get off work around 7 PM and usually take a shower and wash my face again around 11 PM. Is it excessive to wash my face after getting...

Timing for Washing Oily Skin Hello, doctor. I wake up around 7 AM every morning, wash my face, and apply foundation before heading to work. I get home around 7 PM and usually shower and wash my face again around 11 PM. I would like to know if washing my face after getting home at...

There are fine lines on the forehead? I haven't been taking care of my skin regularly, and recently I noticed many fine lines on my forehead when I looked in the mirror, which are very noticeable under lighting. The situation is similar to the images linked: https://i.imgur....

A mysterious lump that can itch for several weeks? About a month ago, one afternoon in the office, I suddenly experienced itching in my lower back and discovered approximately four swollen lumps around the left and right sides of my lower back. At that moment, I could scratch the...

Can the color of a hemangioma vary from deep to light at times? Three years ago, while taking a shower, I noticed a red spot near the edge of my lower abdomen close to my private area. When the color is darker, it resembles a shade of wine, and when it's lighter, it turns a ...

How long after applying medicinal ointment can it be washed off? Hello, doctor. I am currently undergoing treatment for dry and cracked skin, and my clinic physician has prescribed Sinpharderm Cream, which contains Urea as its main ingredient. I have plans to go swimming soon and...

As soon as I returned to the northern region, my T-zone became excessively oily? I am from the northern part of Taiwan and have had oily skin, acne, and sensitive skin since puberty. My oiliness was so severe that I had to use several oil-absorbing sheets, and regular tissue coul...

Scalp itching issue? It seems that for about a month now, my scalp hasn't had dandruff at first, but it has been very itchy without any redness or swelling. Recently, after washing my hair, my scalp feels very dry, with patches that look like peeling skin, and it is still ve...

As soon as I returned to the northern region, my T-zone became excessively oily? I am from the northern part of Taiwan and have had oily skin, acne, and sensitive skin since puberty. My oiliness was so severe that I had to use several oil-absorbing sheets, and regular tissue coul...

Atopic dermatitis Hello, doctor. I have been suffering from atopic dermatitis for five years. In the past, during physical education classes in middle and high school, I experienced intense itching all over my body due to overheating and sweating. After each physical education se...

As soon as I returned to the northern region, my T-zone became excessively oily? I am from the northern part of Taiwan and have had oily skin, acne, and sensitive skin since puberty. My oiliness was so severe that I needed to use several oil-absorbing sheets, as regular tissue co...

Scrotal issues, melanin, and brown spots? Hello, Dr. Wu. I have some questions regarding the skin on my scrotum and the surrounding area of my penis. I recall that last year, I noticed many small spots on the side of my scrotum near the groin. They are not exactly black; they app...

Laser excision of common warts on the dorsal side of the toes? After laser surgery on May 10, is it normal to experience fever that comes and goes? Then, two days later (May 13), the wound appears moist, and it feels slightly hard when cleaned with a cotton swab. I purchased an o...

Skin issues I apologize, but I would like to ask a question. Whenever I feel hot or anxious, I experience a prickling sensation all over my body and intense itching (without any rash). Could you please tell me what this issue might be? Thank you.

Could you please tell me if my symptoms are indicative of solar urticaria? After about 30 minutes of sun exposure, the affected areas begin to itch, and upon touching, there is a noticeable increase in temperature. The skin in those areas becomes very wrinkled, and applying press...

Scabies may present with no obvious symptoms? I previously had contact with a scabies patient and later experienced itching and a crawling sensation, but there were no visible skin abnormalities. I used scabicide topically for a week as a preventive measure, stopped for three day...