Spots, Dermatology FAQ - Page 14

Black spots on the shaft of the penis? When retracting the foreskin, black spots can be observed on the shaft of the penis, with a darker color in the center and lighter color on the sides. What could this issue be? Thank you!

There are raised black spots at the base of the penis? Hello Dr. Wu, I recently discovered a raised black spot at the base of my penis, but I'm not sure if it has been there before. It is not painful or itchy, and I don't feel anything when I touch it. Is it normal to h...

[Question] Painless, non-itchy, non-fading red spots? Hello doctor, I have scattered flat red spots on my arms, but not on my legs. The red spots are the size of a pin, approximately 0.03 inches, and they appear more red when pressed. When I prick them with a needle, they don...

Acne issues I'm not sure if this counts as acne. I usually don't have a tendency to break out, just 1 or 2 pimples before my period that clear up quickly. However, recently I've been noticing many small, slightly raised white spots on my face. When squeezed, they r...

I would like to ask about several skin symptoms? The skin issues depicted in images one and two initially appear as itchy red rashes, resembling mosquito bites. However, after they subside, they seem to leave behind dark spots. What could be the reason for this? In image three,...

Red spot issue Hello, doctor. I previously noticed small pinpoint red spots on my skin, similar to being dotted with a red marker, about ten on my hands. About a year ago, I had three swollen lymph nodes in my neck, but the doctor examined them and said there was no issue, and th...

What are the three small black spots on my neck? Hello, doctor! I found three small black spots on my neck; what could they be? Additionally, there is a slightly different raised area on my buttocks; what could be the issue?

Infectious erythema Hello, Dr. Wu. My daughter is 5 years old. On September 29, we suddenly noticed red spots on her face, arms, legs, back, and buttocks. These spots are not raised, do not itch, and she has no fever. We took her to the first clinic, and the doctor said it was al...

In the area with long pubic hair, there are some spots that appear white, and there are white flakes falling off, accompanied by itching? In the area with pubic hair, there are some spots that appear white, and there are white flakes falling off, accompanied by itching.

Erythema of the posterior and medial thigh? Hello doctor, I have been experiencing some red spots on the inner and back side of my left thigh, approximately the size of a thumb nail. The red spots sometimes itch and are slightly raised, while at other times they are completely fl...

Onychomycosis? Hello doctor, I have a question. The area under the white part of my fingernails has turned a bit gray. Could this be a sign of nail fungus? I have been touching my toenails, and the outer side of my big toe nail feels thicker and has some black spots. I will be vi...

Skin allergy Hello Dr. Wu! I have been experiencing menopause for the past two years, and my skin has also shown some issues. My cheeks tend to flush by the afternoon, which I didn't find unusual, but in the past six months, I've started to develop one or two red papule...

Nail issues The appearance of small white spots or lines on the nails, known as leukonychia, can be caused by various factors. These may include minor trauma to the nail matrix, allergic reactions, or nutritional deficiencies, such as a lack of zinc or calcium. If these white spo...

Itchy and painful anus with discharge? Due to being abroad and unable to return home for medical treatment, I initially experienced itching around the anal area, which has now progressed to both itching and pain. There are red sores near the anus, with some small white spots rese...

Vulvar Melanosis Hello doctor, what is the difference between perineal melanosis and vulvar melanosis? What are the treatment options? Is it considered serious? Since there is very little information available, which specialty should I consult? Additionally, I have been experienc...

Folliculitis or rash? Attached image? I have recently noticed intense itching on my chin over the past couple of days. After researching online, I'm still unsure whether it's a rash or folliculitis. Since I'm currently in Japan, I would like to ask a physician whic...

Skin issues Hello, doctor. Today, while I was buying breakfast, I suddenly noticed a young boy, about elementary school age, standing next to me (I’m not sure if I touched him). Upon closer inspection, I saw that he was scratching his hands, and both of his palms were bleeding, w...

What are the symptoms of scabies? Hello, doctor! I would like to ask if scabies is easily contracted. Ever since my grandmother allegedly contracted scabies in the nursing home, my mother has been almost daily convinced that she has scabies. It has been nearly two years since my ...

Lip issues Hello Doctor, on April 7th, I had unprotected oral sex with a sex worker for less than a minute, and I immediately wiped myself with a wet tissue afterward. A month later, I went to a private health laboratory for testing, and my RT-PCR results were normal. I also had ...

White bumps at the corners of the mouth? Hello, doctor. In mid-March, I had an encounter with a sex worker and used a condom for intercourse, but did not use one for oral sex. We also kissed and had some tongue contact, which makes me worried about HIV. I had an HIV test at the e...