Spots, Dermatology FAQ - Page 6

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...

Red itchy rash on the buttocks? Hello, doctor. Since last year, I have developed small raised red rashes on my buttocks, approximately 1 to 1.5 cm in size, which are round or oval and itchy. This year, I have had more occurrences, all located on my buttocks. A dermatologist said ...

Red dot issue Hello, doctor. There is a red spot on the pad of my middle finger. I would like to know if this could indicate any issues. Thank you, doctor.

Concerns related to moles? Do moles grow larger with age? I have a spot in the web of my hand that I remember having since my twenties. It was originally less than 0.1 cm, but recently it has grown to 0.1 cm. The color is light brown with no other abnormalities. Does this need to...

The dosage of Doxycycline capsules for dermatological use? Hello Doctor, in recent days I have developed many itchy red spots on my skin, so I went to the dermatology department at the hospital for a consultation. The doctor informed me that it was caused by mask acne and mild ro...

Viral wart issues? Hello doctor, I have two small white spots on the pad of my thumb. Could this be a viral wart? Can warts on the hand infect the genital area and turn into genital warts? Thank you, doctor.

Melanin in the thick dermis? Hello Doctor, my mother had surgery last year to remove a precancerous lesion of melanoma found on her toe. Recently, we noticed a black dot under a translucent thickened area of skin on her foot. She thinks it might just be dirt. I would like to ask ...

Alopecia areata Hello, Doctor. In mid-January of 2022, I discovered a round bald spot on my scalp about the size of a coin. By April 2022, I noticed four additional bald spots, each gradually enlarging to about the size of a ten-dollar coin. I have been returning to the dermatolo...

Non-itchy red spots on the skin? I have been developing "non-itchy flat red spots" since elementary school. I didn't think much of it before, but now that I'm in my fourth year of college, they are increasing in number and affecting my appearance. I would like...

Skin bleeding from steroid application, with dried blood marks noticed upon waking up? I have seborrheic dermatitis. After seeing a doctor, I applied a corticosteroid for two days (once a day), and the area on my cheeks has improved, but my nose is still very red, so I only appli...

After taking medication, the labia majora became increasingly swollen and painful? 1. Initially, the labia majora felt firm and swollen beneath the skin, but there was no redness and only mild pain. After visiting a gynecologist, the doctor diagnosed deep folliculitis and prescri...

Is it an allergy or a rash? Hello Doctor: Recently, I've been experiencing itching all over my body (but not to the extent of scratching excessively). The affected areas include my arms, abdomen, and intimate areas, where I've developed red spots that resemble mosquito ...

Developing a rash after receiving a vaccine? Two weeks after receiving the BNT vaccine, I started developing rashes all over my body. I have already visited an allergist and rheumatologist, and there are no autoimmune system issues; the only finding was a slightly elevated allerg...

Pubic lice issue Hello Doctor, I have been experiencing frequent itching in my pubic area. Previously, I mentioned this to my doctor during an examination for vaginitis, and the doctor said everything looked fine. I came across an article about pubic lice and started to wonder if...

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...

Severe hair loss Hello, Doctor. I noticed abnormal hair loss starting around November last year, with a small bald patch in my bangs. I later visited a dermatologist who diagnosed me with alopecia areata. I've been receiving scalp injections every two weeks, taking corticost...

Pressing on the nail causes pain? Yesterday, while eating water chestnuts, I applied too much pressure and my nail cracked a bit. Today, I noticed that the area under the nail is red, and there are small black spots visible from the front. It hurts when I press on it. What could ...

Chest issues I would like to ask about a red circular spot that appeared on my chest, approximately 2 centimeters in size. Initially, one appeared on the right side and disappeared after several days. Shortly after, another one developed on the left side. The appearance of the re...

Petechiae on the arm? Hello, I started using a home hair removal device about 3 or 4 years ago, and I may not have controlled it well, which caused blood spots to appear in the pores on my arms. They immediately heal after being picked, and there is no pain or anything like that....

Recently, I have developed a few red rashes on my neck? Recently, I have noticed a few red spots on my neck that are raised like pimples but do not have any pus and are not itchy. Could this be caused by my immune system?