Spots, Dermatology FAQ - Page 16

Mosquito bites or allergies? Hello Doctor, last night I noticed several lumps about 5mm in size on my palm, which are painful when pressed. Today, I also found 1 or 2 painful spots on the soles of my feet. I initially thought it might be insect bites, but my wife, who sleeps in t...

Red spots that are painful? Hello, my girlfriend has discovered a deep red spot on her heel that feels like there is blood accumulating inside. It hurts when touched, and walking also causes pain. Upon closer inspection, there is a small black dot inside, which feels slightly rai...

Bleeding under the callus of the thumb? Doctor: Hello, my father has developed a thick callus due to hallux valgus, which has been rubbing against his shoes. Recently, while trimming the callus, we noticed some red spots underneath. Although it doesn't hurt, we were concerne...

Periorbital eczema Hello Doctor: Two months ago, I experienced unexplained itching in my eyes and redness around the area. After seeing a doctor, I was diagnosed with eczema and was quickly prescribed a steroid ointment to apply before bed. A few days later, the symptoms disappea...

I have red, itchy spots all over my body? At the beginning of the month, I noticed several itchy red spots on my body, each about the size of a sesame seed, located on my arms and legs. I initially didn't pay much attention to them, but after two or three days, the red spots...

Diagnosis of Alopecia Symptoms I previously shaved my head and now my hair has been growing for about a month and five days. My classmates keep saying that I have bald spots. I've had a large hair whorl since childhood, and I also have a double crown. When my hair was longer...

Red spots on the back of the hand resembling unhealed wounds? Hello Doctor: I have done some research, but it seems that my condition is not covered. I have one or two red spots on the back of my hand that I don't know how to describe. From my reading, they don't appear...

Black spots on nails? Hello Doctor: Recently, over the past two months, I noticed that the upper left corner of my left big toe nail has suddenly turned black, approximately 0.3 cm in size. There is also a small black spot about 0.1 cm below it, but this is not on the surface of ...

Glans skin issues? Hello doctor, I noticed a patch on the glans a week ago. It appeared suddenly but is neither painful nor itchy, located on the coronal sulcus. It is not raised, has a smooth surface, and is lighter in color than the surrounding area—flesh-colored but with a shi...

There are many small spots appearing on the calf? Hello Doctor, last summer, I started to develop small spots on my calves that are a darker shade of my skin color. At first, there were only two or three spots, so I thought they were mosquito bites. However, they continued to mul...

Skin issues Hello Doctor: Recently, I've been experiencing sweating and a feeling of heat in my body, along with small red spots about the size of a pinhead. They are scattered, but generally about 5 centimeters apart. Some of these spots disappear the next day or shrink and...

There is a growth on my foot? In the first and second grades of elementary school, I developed warts on my index finger nail. At that time, no one in my family knew what they were, so we just left them alone. By the time I was in the third grade, they had grown very large, and I ...

Itching in the genital area? Since I shaved my pubic hair, I've been experiencing itching in the area, and there are some small red spots. How should I handle this?

Brown spots appear on the calf? Hello, doctor! My mother is in her sixties, and I’m not sure when it started, but there is a patch of light brown discoloration on the front of her left calf, about the size of a small egg, with no clear borders and an irregular shape. The surface ...

Acne-prone skin, rosacea, and allergies? Hello Doctor, I have been experiencing acne since the fifth grade and I am now in my third year of college. Recently, I received treatment from a dermatologist who suggested that I might have rosacea. I was on oral medication for three mon...

White spots under the foreskin? Recently, I discovered small white spots underneath the foreskin after retracting it. What could be the cause of this? I've been staying up late frequently and I also enjoy eating fried foods. Are these two factors related?

Unexplained skin itching? Hello, doctor. In the past, I had small red spots on my skin, about the size of a pinhead, but recently I have developed more of them. They are not painful or itchy, and I would like to know if they pose any harm to my body. Additionally, this morning I ...

I have a small black spot on the right side of my foot, but I picked it off? Can this lead to any pathological changes? Also, do moles increase in number as we age?

Black mole on the right back? Doctor, on June 30th, while reaching for my car keys, I felt a sharp pain from behind, which I initially thought was a bee sting and didn’t pay much attention to it. After two days, I noticed that raising my right hand caused a localized tight, sharp...

Moles and petechiae? Hello Doctor: Earlier this year, I had a black mole on my shoulder that changed rapidly, so I sought medical attention. After examination, it was found to be basal cell carcinoma, which has since been excised. However, I have noticed a significant number of n...