Infection, Dermatology FAQ - Page 4

Pubic lice inquiry? Hello doctor, I had intimate contact with someone suspected of having pubic lice 45 days ago. For the past four days (since August 8), I have experienced occasional itching in the pubic hair area, which sometimes occurs at night while I am sleeping. However, t...

Recovery period for paronychia? Hello, doctor! Last October, I had a severe ingrown toenail on my big toe, and the entire nail was removed. Now, the nail has grown back halfway, but recently I noticed a small part of the nail is dark. Is that a sign of a fungal nail infection? Sh...

A small bump has appeared on the skin of the penis? Hello Dr. Wu, I have had atopic dermatitis since childhood, and I often scratch my body due to itching. I have had multiple infections leading to warts when I was younger, and some of them have not healed to this day. Sometimes,...

Questions about nail fungus infection? Hello, doctor. I understand that having athlete's foot can easily lead to onychomycosis (fungal nail infection). If a family member has onychomycosis, does that mean they are more likely to develop athlete's foot first? P.S. This f...

Insect bites? On the evening of June 25th, my left upper arm was bitten by a mosquito. On June 26th, I developed redness and swelling. By June 27th, I started to notice pus, and I applied disinfectant and erythromycin ointment. On June 28th, the area of redness expanded to about ...

A mild cat scratch on the back of the hand that hasn't disappeared for a year and a half—can it still be removed? I sustained a scratch on the back of my hand from a wild cat about a year and a half ago. Recently, I noticed that there is still a light brown scratch mark, whi...

Athlete's foot issue? I have had athlete's foot for several years. Previously, using topical medications and soaking in antifungal powder helped, but it didn't last long before it returned. Today, when I woke up from sleeping on the sofa, I found my feet buried in ...

Chickenpox and shingles, vaccine issues? Hello Dr. Wu, I have never had chickenpox, but I am concerned that the chickenpox vaccine might allow the virus to remain in my body, potentially leading to shingles in the future (although the symptoms may not be severe). Therefore, I wou...

About kissing? There is a belief circulating online that brushing your teeth before kissing can lead to an inability of oral cells to protect the mouth, making it more susceptible to infections. Some suggest that mouthwash can be used as a substitute for brushing. Is this claim a...

Questions about athlete's foot infection? Hello, doctor. A few days ago, a technician came to my house to install a surveillance camera, and one of the rooms is a tatami room. I had already asked him not to take off his shoes, but he did so anyway and walked on the tatami. A...

Athlete's foot issue? If a family member has used a plastic foot basin and has athlete's foot, even after cleaning it, there is a possibility that the fungus could still remain on the surface of the basin, especially if it hasn't been used for over two weeks. Funga...

Viral warts are contagious? I am currently being treated for plantar warts and have been undergoing treatment for over a year. I feel like they are almost healed, but the doctor says they are not. I would like to know how long it typically takes to treat plantar warts that are ab...

Treatment of athlete's foot (tinea pedis) and management of exudate? Hello Doctor: I have a tendency to sweat excessively from my hands and feet. I previously had a history of atopic dermatitis over ten years ago, which resolved on its own as I aged. I also had a history of ...

Hair loss and iron deficiency? Hello doctor, I am experiencing hair loss issues. Earlier this year, I had some improvement, but I started losing hair again in March. I had a blood test that showed my ferritin level is 37 ng/mL. The normal range for females seems to be 11.0-306.8 ...

Oral medication for onychomycosis? Hello! I have a fungal infection on my right big toe. During my first visit to the hospital, after a blood test, the doctor prescribed an oral medication and instructed me to return in two weeks for another blood test. However, when I got home, ...

I would like to seek a second opinion from a physician? Hello Doctor, I have been struggling with toenail fungus, which keeps recurring. Even after finishing the oral medication, there are still some remnants of the infection, so my health insurance will no longer cover the oral...

Swelling of the nose and cheeks? Hello, doctor. My nose tip is swollen (it doesn't hurt but feels hard to the touch), and the sides of my nose are also swollen (it doesn't hurt but feels like there's a pimple under the skin). Additionally, my cheeks look swollen fr...

The glans has peeling skin under the foreskin, and it relapses as soon as the medication is stopped? There are flakes (peeling?) on the glans and foreskin, which can be washed away with water during bathing. I visited a urologist who prescribed Daivonex ointment, stating it was a...

Lip issues Hello, Doctor. I would like to ask for your advice. I have been experiencing white peeling on my lips for the past nine months. I recalled that I had a similar peeling issue before. I have applied topical antibiotics like bacitracin a few times and used the medication ...

Syphilis skin lesions on the glans? Dear Chief Physician, 1. I previously had secondary syphilis and completed a three-shot treatment at the end of March. I noticed a significant reduction in some of the syphilitic lesions, but there are still some brown spots remaining. I would...