Nails, Dermatology FAQ

Nail trauma leading to displacement and cessation of growth? Hello, doctor. I have a habit of playing basketball, and after getting new shoes over a year ago, I noticed that my left big toenail started to crack horizontally. I went to a nail technician for nail reconstruction to ...

Nail problems After chemotherapy, if the nails become irregular, bumpy, or curled, should calcium supplements be taken?

Use of Ointments for Toenails Hello, doctor. I have two different questions I would like to ask you. 1. The color of my toenails is slightly yellow (I do not smoke), the surface is not smooth and even, there seems to be a slight separation at the junction of the flesh and the n...

Nail fungal infection Hello Dr. Lee, my big toe nails have been gray for several years, with a texture similar to European bread, but they are not brittle. Last month, I saw a doctor for the first time, and he said that since there is no itching, it is not related to onychomycosi...

Treatment for athlete's foot? Hello doctor, I have been dealing with athlete's foot for a long time. I easily get blisters when wearing shoes, and the skin around my toenails often peels and becomes irritated. If I scratch it, it breaks. Recently, I started using an ant...

Nail-related issues consultation? Hello Dr. Lee, I have two questions regarding my nails: 1. Recently, I cut my toenails too short, causing a small amount of bleeding on one side. After a few days, I noticed that the blood has formed a scab. Will the scab gradually be absorbed an...

Nail problems Hello Doctor: I usually have a habit of getting gel manicures, and recently when I removed the polish, I noticed that the tips of my nails seem to be slightly lifted (similar to an ingrown nail, but not as severe). I have a history of nail biting since childhood, so...

Is it still necessary to continue treatment for onychomycosis (fungal nail infection)? I previously had a case of onychomycosis (fungal nail infection) that went untreated for three years because it was asymptomatic and did not worsen. Eventually, I sought treatment and was presc...

Nail problems consultation? Hello Doctor, after taking a shower today, I suddenly noticed a small black line at the front of my thumb nail. It has shortened a bit after I picked at it. I looked it up online and found that it could possibly be melanoma, which made me quite worried...

Nail melanonychia Hello Doctor: Thank you for taking the time to answer my question; I truly appreciate it. About a year ago, I accidentally drove a nail into my finger, penetrating the nail and injuring the nail bed underneath. At the time, I didn't pay much attention to it...

Nail leukonychia Hello doctor, I would like to ask about the white spots on my toenails. What could this condition be? The white spots vary in size on all my toes except for my big toe and two to three small toes. They have been getting larger over the past month, and this issue ...

Nail melanonychia Hello doctor, my mother recently mentioned that there is a black line on her big toe nail, which has been present for over a year. Today, she visited a dermatology clinic, and the doctor measured the width to be about 0.1 centimeters. Should she go to a larger h...

Topical treatment for nail fungus? Hello, Dr. Lee. My left big toe has a fungal nail infection and the nail has fallen off, so there is no nail left. Should I apply the antifungal ointment prescribed by the doctor on the nail bed? Also, can I apply the purchased Lamisil (Terbinaf...

Part of the toenail is separated from the nail bed? Hello doctor, recently my big toe nail was flipped back and bled, but there was no obvious detachment of the nail. However, the nail has been flipped again, and this time the left side of the big toe nail is completely lifted, w...

The area of the white patch is large? I currently have two toenails affected by onychomycosis and I am applying topical medication. Although the other parts of the nails do not show color changes, the area of the white part (the area at the edge of the nail has expanded while the...

Nail splitting issues? Hello doctor, I have a severe cracking issue with the nails on both of my thumbs, and the nail beds are uneven. There is a deep vertical groove in the middle of the nails. I have tried nail filing, but it is too deep to smooth out. I have seen doctors regar...

Nail bruising leading to the complete loss of the nail? A few days after exercising, I noticed bruising under my big toenails. At first, there were only a few spots, and I didn't pay much attention to it. However, due to continued exercise, the bruising area has increased si...

Ingrown toenail of the second toe on the left foot? Hello Doctor, on November 6th, while trimming my nails, I accidentally cut too deep, causing the skin on the right side of my thumb nail to be slightly exposed. Later, I began to feel pain, and by November 8th, I noticed that th...

Medical procedures Hello Dr. Wu, I have a question regarding my toenails, which have become deformed and discolored. A few months ago, I visited a nearby nail salon that advertised services to prevent and improve onychomycosis and correct ingrown toenails. The salon diagnosed my ...

The toenails have become black and thick? Hello doctor, my right toenail has been replaced several times. This time, I decided to ignore whether the nail would fall off or not, and now it has turned black and thickened. As a result, every time I finish jogging, it becomes swollen...