Skin, Dermatology FAQ - Page 32

Wound on the buttocks I have a lesion the size of a one-dollar coin on my buttocks, and I'm unsure whether it's folliculitis or an acne lesion. There was a wound that was healing, and it developed a layer of skin (though it doesn't seem to be true dermis, more like...

Cleaning-related inquiries? Hello, doctor. I would like to ask if the foam water that runs off when washing my hair also carries away the oils and dirt from my body, or do I need to apply body wash with my hands to those areas to effectively remove the dirt and oils? Additionally...

The wound from a fire ant sting is very itchy? Hello, doctor. I was bitten by an invasive species of fire ant, and since I did not have a severe allergic reaction at the time, I did not seek medical attention. Three days later, the wound developed into a pus-filled blister. I did...

Post-treatment pigmentation after cryotherapy for viral warts? Hello Doctor: I recently had viral warts on my face, and the doctor performed cryotherapy on me about seven times. However, I now have a large area of significant hyperpigmentation on my face. The doctor later prescri...

Swelling and redness of the big toe? Is it necessary to remove the nail for paronychia? How can I reduce the swelling near the nail on my thumb? Thank you.

Autoimmune diseases, hair issues, seborrheic dermatitis? I can clearly see my scalp on the top of my head, and I've noticed this for several years now. I have undergone blood tests for hormones at a gynecologist, thyroid tests at a family medicine clinic, and skin examinatio...

Acne Hello doctor, I've been troubled by acne for several months. I have seen a doctor and taken medication for over a month, and I have also been applying azelaic acid for more than a month, but there has been no improvement. Although I don't have acne on my face now, ...

Dyshidrotic eczema peeling Hello, doctor. Recently, I have been experiencing dyshidrotic eczema on my fingers. I have been applying topical corticosteroids, and my condition has been somewhat controlled. However, I am very troubled by the fact that my skin has been becoming hard ...

Freckle pigment separation technique I recently came across information about a procedure called "freckle separation surgery" online. Is this a real procedure? Does it have another name? I couldn't find any hospitals that offer this service, so I'm asking here...

Viral warts are highly contagious? As a child, I had a viral wart on my toe, and before entering college, another one appeared on my right foot. I didn't address it, and recently it has spread significantly, even to my right hand fingers. After undergoing cryotherapy, I have...

Dry skin, blanket allergy? Hello Doctor: My skin on my limbs, chest, and abdomen appears a bit dry according to the dermatologist I visited. They advised me to apply lotion four times a day and prescribed a topical corticosteroid ointment. I have been using QV Intensive Repair Cr...

Skin issues Hello doctor, I would like to ask about a hard lump that appears on my back. It is not painful or itchy, and it typically appears for a few hours before disappearing. After it disappears, it leaves a faint brown mark. This has happened two or three times. I usually no...

Seborrheic dermatitis I would like to ask the doctor, I was previously diagnosed with seborrheic dermatitis on my scalp (I still experience a lot of flaking despite washing my hair daily). I have since tried to rest more and used the medicated shampoo, ointment, and antihistamine...

Treatment issues for viral warts? Hello, about a year and a half ago, I was diagnosed with a viral wart on my palm, and I underwent cryotherapy for over a year. Later, after moving, I switched to a different dermatologist who prescribed Duoflim wart treatment solution for me to a...

There are faint black lines on the nails? Hello Dr. Lee, a few days ago I suddenly noticed a faint black line on my right thumb, approximately 0.1 to 0.2 cm in size. I read online that it could possibly be longitudinal melanonychia, and in the worst case, melanoma. I found relate...

Subcutaneous granulation tissue There is a granulation tissue on my groin that I've had since I was young. Recently, I've noticed that it hurts when I touch or rub it, and I've observed that the edges of the granulation tissue have become red. I visited a dermatolo...

There is a pimple above the pubic hair? There is a pimple-like bump in the pubic hair area below the navel that itches and causes pain intermittently. It has not resolved for several months, is the same color as the skin, and has a soft yet firm texture. What could this be? Which...

Drug side effects I would like to ask the doctor, after visiting the dermatologist, I started taking a medication called doxycycline. Are there any precautions I should be aware of? Also, is the dark green or black diarrhea I am experiencing a side effect of this medication?

The wound from an intravenous (IV) catheter insertion? At the end of last month, I was hospitalized for appendicitis and discharged at the beginning of this month. Two weeks later, the site where the IV was inserted still has a small scab. I haven't paid much attention to it...

Is this cauliflower? As shown in the images, which were taken from different angles and magnified approximately five times with flash, I visited a dermatologist a few days ago who mentioned that it doesn't look very concerning. However, this area has had issues in the past, ...