Spots, Dermatology FAQ - Page 11

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 ...

Redness, swelling, and itching? Yesterday, around 4 PM at work, I was bitten by something, and initially, it just felt itchy with a small bump, similar to a typical mosquito bite. However, the itching persisted, and after about 10-15 minutes, it continued to itch and the redness ...

Suspected eczema was shown to the doctor, but they were not very certain? Hello Dr. Wu: (I have atopic dermatitis) I live in Germany, and after moving recently, I kept my windows and doors closed for a few days to avoid mosquito bites since I haven't installed screens yet. A...

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?

Congenital melanocytic nevus (mole) Dear Dr. Wu, I have had a black congenital nevus (mole) on my upper back since childhood, which has not shown any significant changes over the years. Recently, upon closer inspection, I noticed that it is approximately 1.5 centimeters in size,...

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 ...

Flea bite scars Hello doctor, I have recently been bitten by fleas and have been using a strong anti-itch cream purchased from the pharmacy. The cream is effective in relieving the itch, but I have developed brown spots on my legs. How long will it take for these spots to fade? W...

Peeling skin at the base of the penis? Recently, I have noticed peeling and flaking at the base of my penis (a large white patch, with several small white spots on both sides of the groin). It is not painful, but sometimes it itches a little; however, the itching subsides after s...

The texture of the surface of café au lait spots? Hello Dr. Wu, I would like to ask, generally speaking, if there are café-au-lait spots on the face, how does the surface feel? Is it more similar to the smooth texture of normal skin, or does it have a rougher feel? Thank you!

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 ...

[There are raised black spots on both hands and feet.] I have been troubled for several years by small, round, slightly raised black spots that feel a bit bumpy. What methods are available to address this issue? I appreciate the hard work of the doctors in answering my questions.

Suffering from impetigo? 1. I went for a check-up today and was diagnosed with herpes. The doctor prescribed me BBL and said to leave it on for 3 to 5 minutes while bathing before rinsing off. Is it normal to feel a stinging sensation in the genital area during that 3 to 5 minute...

Scrotal issues About 4-5 years ago, I developed many dark red spots and 4-5 white bumps on my scrotum. They are not painful or itchy. Could this be a sexually transmitted infection? How should I treat it? Thank you.

Lip issues I recently noticed some small black spots on the lower left side of my lip, about three in total. After searching online for information, I was quite alarmed to find mentions of sudden black spots appearing on the hands, lips, and feet, which could be indicative of Peu...

Neat red spots on the back? Hello Doctor: I have developed several neat red spots on my back that are neither itchy nor painful. I experienced the same thing a few months ago, so this is the second occurrence. I searched online and found related information mainly from mainland C...

The impact of sunscreen on bone health? I have been very diligent about sun protection, and since I hardly get any sun exposure, I am concerned about aging and developing dark spots. However, I am also worried about osteoporosis, so I am considering not applying sunscreen and get...

Small red spots appear on the skin? Doctor, is it possible for mosquito bites on the forehead, cheeks, and arms to not cause swelling or itching, and only present as small red spots measuring 0.1 to 0.2 cm? Thank you.

Chest issues Hello, doctor. When I wear a bra, I noticed some small black spots on my breasts that feel like blackheads. I used a comedone extractor to squeeze them, and some white and black material came out, but after a while, the squeezed area became red and swollen and it itc...

Skin issues? I have acne and dark spots on my back. I want to know what I should use to treat it and why it is happening!

Lip issues I have small white spots on my lips that seem to disappear and then reappear repeatedly. Sometimes they itch. Initially, I noticed small raised bumps on the edges of my lips that were neither painful nor itchy, and I thought they were pimples, so I squeezed them. A lit...