Spots, Dermatology FAQ - Page 20

Black nails Hello doctor, I recently noticed that the nail on my left little toe has some dark spots, but it's not completely dark. It doesn't hurt or itch, and it looks like it's growing underneath the nail rather than on the surface. The surface of the nail has s...

Recently, I have been noticing small black spots on my lips? Recently, I have been noticing small black (blood?) spots on my lips, as shown in the image (sorry for the blur) http://i.imgur.com/t51S7Tr.jpg. They appear one at a time in different locations. Over the past 2 to 3 wee...

After cryotherapy, is the virus still easily infectious? Previously, there was an infection on my hand that spread to the genital area. It has been a long time since the last cryotherapy treatment for the genital area. The foreskin feels smooth without any bumps, but there are st...

Red spots on the thigh? About a week ago, I noticed some slight red spots on my thigh that have been gradually increasing in number, but they are not many. They appear to be beneath the epidermis, smooth, and not raised. Based on the provided image link: https://imgur.com/a/H7au7...

Does shingles always occur on one side of the body? Hello! My husband has developed shingles on the left side of his buttock (he went to the dermatologist for confirmation about the third day). He received an out-of-pocket injection and has been taking medication and applying top...

Is this tinea cruris or pityriasis rosea? Hello Doctor: Last Friday, I felt a bit itchy at the root of my left thigh's inner side and noticed a few red bumps that were slightly raised and had some scaling (attached image: http://imgur.com/KTgwItW). When I visited a Tradition...

After the wart scab falls off? Hello, doctor! I have three warts on my hand. Although they are not painful or itchy, I found the black spots on my hand strange, so I underwent cryotherapy. The doctor mentioned that these are very early-stage viral warts. I didn't know warts ...

Redness and swelling --> Folliculitis Hello Dr. Wu, on May 14th, I experienced redness and swelling in the groin area, as well as in my thigh and arm simultaneously. The symptoms were as follows: 1. The redness and swelling on my arm resolved the same day. 2. The swelling on...

Dyshidrotic eczema / Suspected insect bites on the body? I have been experiencing a lot of sweat blisters on my hands these past two days, which are both itchy and painful. Someone suggested using Betaderm, is this effective? Additionally, on the same day that the sweat blisters ...

Several black spots have appeared on the penis? Hello, I noticed a small, faint black spot in the middle of the surface of my penis the day after I engaged in masturbation two days ago. Additionally, I found two more black spots that appeared suddenly on the right side. I'm ...

There is a small black spot on the thigh? The lesion on your thigh that started as a small black flat spot, which can be squeezed to release a substance resembling a comedone, and has since spread while remaining flat, may be indicative of a condition such as a sebaceous cyst or ...

Red spots on the nose after sun exposure? Hello, after about 1 to 2 hours of sun exposure, I develop red spots on the tip of my nose that peel and last for several weeks. The areas of my body that are exposed to the sun also develop red spots and itch. What can I do to recover qu...

The legs have small red spots? Hello, I have many small, red, dark red spots on my thighs and calves that look like pepper dots. I went to see a family medicine doctor who said it resembles folliculitis, but the skin is smooth and does not have the typical bumps associated with f...

Mouse bites can cause small red spots on the skin? I was bitten on the right hand finger by a silver fox mouse. There was bleeding, but I didn't seek treatment. Two days later, many small red spots appeared, which are not painful or itchy. Am I at risk of a serious illness? ...

Skin itching The skin feels itchy with a prickling sensation, and scratching the affected areas results in many red spots, which then develop into small bumps resembling allergic reactions. Eventually, these bumps merge into larger ones, taking some time to gradually disappear. T...

Suspected psoriasis of the vulva? Hello Dr. Wu, I have been suffering from psoriasis for three years. Last year, I noticed a small patch of psoriasis on the skin above my pubic area, which disappeared after applying a topical steroid. After a while, I began to experience flaking ...

The edges of the nails are dark? Hello, doctor! Recently, I noticed a small black spot at the edge of my right thumb nail. It appears to be a deep bruise on the outside (like the area circled in red in the link below), but upon closer inspection, the upper part looks like deep re...

Dark acne spots on the face? I would like to ask about some black spots that have appeared on my face recently. They look similar to pimples but do not have any pus. They also resemble comedones, but when I try to squeeze them, nothing comes out; they just feel hard and black. I&...

Folliculitis Itching Hello, doctor. I would like to ask about my issue with folliculitis. I had two pimples on my leg, and after visiting a general dermatology clinic, the doctor diagnosed it as folliculitis and prescribed a small jar of white ointment. However, after applying it...

Is this normal? A few days ago, I was sleeping and felt an itch on my buttocks. I scratched it and when I got up, I noticed that the area I scratched had swollen into small lumps. I thought it might just be redness from scratching, so I didn't pay much attention to it. The n...