Skin, Dermatology FAQ - Page 8

Split nails Hello doctor, my right middle finger nail has started to split vertically over the past year, and the area where it splits also has horizontal cracks (like peeling). There is a line on the intact part, and as soon as it grows out past the flesh, it splits. Could you p...

Flaking and itching of the skin around the eyes? Hello doctor, after applying eye makeup and removing it on the same day, I notice a small red patch around my left eye the next morning, about 3-4 spots. They are very itchy and flaky. When I refrain from wearing eye makeup for abo...

Moles in the genital area? Hello Doctor, I noticed two moles on the foreskin of my genital area while showering. One is a small, reddish mole, possibly less than 1mm, and slightly raised when viewed from the side. The other is larger, about 2mm, and very dark, almost shiny, with ...

Acne won't go away? Hello, Doctor: I have been struggling with acne since the sixth grade, continuing through my third year of college, which amounts to nearly 10 years. During my school years, I went to bed around 10-11 PM and woke up at 6 AM, so I did not have issues with ...

A lump has developed on the penis? I recently noticed something that looks like a pimple on my penis. When I squeezed it, a white substance came out, and later it became swollen in a small area. After squeezing, a small part of it bled, and it hurts when I touch it. Is this norma...

Penile issues Hello doctor, I recently noticed a lump about 1 cm in size near the base of my penis while showering. The skin is not red or swollen, and it doesn't hurt when pressed. What could this possibly be?

Oral retinoid use? Can oral isotretinoin be used in conjunction with salicylic acid skincare products?

Ingrown toenail of the second toe on the left foot? Hello Doctor, on November 6th, while trimming my nails, I accidentally cut too deep, causing the skin on the right side of my thumb nail to be slightly exposed. Later, I began to feel pain, and by November 8th, I noticed that th...

Underwear fell on the floor? I accidentally dropped my underwear on the floor of the company restroom while using it, and my underwear unintentionally got wet from water flowing over from the adjacent shower area. I didn't clean it and just put the underwear back on. After p...

There are white flakes on the soles of the feet? The soles of my feet have an unpleasant odor, and sometimes I notice small flakes around my toes that are not peeling skin but rather tiny white flakes. This issue has only occurred in the past year and a half, and the flakes are l...

Pain in the bent ring finger? Hello Dr. Wu: Let me introduce myself. I am a 41-year-old male, 183 cm tall and weighing 66 kg, with no history of smoking or alcohol use. My medical history includes nasal allergies and asthma, for which I have been using a corticosteroid nasal spra...

I touched a mole on my face, and that mole has changed? Hello Dr. Wu! Recently, I have been frequently touching a mole on my face. This mole has started to ooze, itch, hurt, peel, develop a sore, form a depression, and become hard and rough, measuring between 0.3 to 0.4 millimete...

Is it a bad mole? Hello, when I was in elementary school, I had a mole scratched off, so I'm a bit scared. Although I have seen a doctor who said it was fine and that moles usually aren't concerning unless they are larger than 6mm. 1. I would like to ask if a mole tha...

Medication consultation Hello! After using Silian cream before bed, is it sufficient to just wash my face with water in the morning, or should I use a facial cleanser to remove the medication? Thank you!

Medications for nail fungus? Hello Doctor, I have been troubled by a toenail fungus issue affecting all ten of my toes for the past few years. Last year, I visited a dermatologist from June 11, 2022, to September 1, 2022, and was prescribed 100 mg of Itraconazole capsules. I took...

Sharp pain and itching in the groin and abdomen? I previously consulted a gynecologist due to swelling in my entire genital area, including the groin, accompanied by a stinging sensation and itching. After nearly a month of treatment with suppositories and topical medications, th...

Infection risk! Extremely worried! Yesterday, when I stood up from a squat toilet, the lower back of my buttocks accidentally touched the wall of the restroom. As soon as I realized it, I immediately left and put on my pants. At the moment of the incident, I didn't do anythi...

Lip issues - Cheilitis Hello, doctor! After using Shefran lip balm, my lips started to become dry, peel, and sting. I later consulted a dermatologist who diagnosed me with cheilitis and prescribed two ointments (containing steroids). They were very effective when I used them for ...

Aloe vera gel The elderly patient experiences itching on the chest, back, and scalp, having consulted multiple doctors (including rheumatology, immunology, hematology, and oncology). They have used various topical medications (such as Atopiclair, Protopic, Pruvit, Cetaphil AD, an...

Small skin tags in the armpit? I haven't felt much about it until recently when I noticed that a small skin tag has turned black and has hair growing on it. I noticed it was skin-colored a long time ago, and it has been on my body for at least 10 years. Can it change color?