Medication, Dermatology FAQ

After three days of using antiviral medication for shingles, there are still blisters present? Hello, I have shingles and had not developed blisters when I visited the dermatologist. The doctor prescribed antiviral medication for three days. The day after my appointment, I develo...

It seems there is an issue with acne developing around the mouth area? Hello Dr. Wu, I am asking on behalf of my father. He is 61 years old and recently seems to have developed a large pimple near his mouth, which is red and swollen. Today, it appears to have ruptured slightly an...

Side effects of wart removal ointment include erythema, erosion, skin breakdown, and blisters? Hello Dr. Wu: The use of the wart treatment cream has been discontinued for 10 days, but the side effects (skin erythema, erosion, broken skin, blisters) have not completely resolved! I...

Paronychia nail bed issues? A few days ago, I experienced a recurrence of paronychia due to walking too much during a trip and friction from my shoes. During the trip, there was pus that came out easily with a gentle touch, so I squeezed it out. After returning home, I immediatel...

Viral warts issue Hello, doctor. I have developed a viral wart on my left pinky finger and my right middle finger. I consulted a dermatologist who confirmed that they are indeed viral warts. They prescribed a topical wart treatment for me to apply daily. However, I lack the disci...

Suspected shingles? My mother is 65 years old and was diagnosed with nephrotic syndrome two years ago, after which she began treatment with immunosuppressants. In February of last year, she suffered a stroke resulting in left-sided paralysis and aphasia. Then, in August, she deve...

Medications for Urticaria Hello, doctor. Recently, I have been experiencing outbreaks of urticaria, and my family medicine physician prescribed antihistamines - Loratadine (60mg) along with corticosteroids - Dexamethasone (5mg), to be taken twice a day in the morning and evening....

Excessive masturbation and the use of body wash do not cause cancer? Since around the second year of junior high school, I have experienced frequent injuries to my foreskin about once every one or two days. After an injury, I would rest for a day or two until it healed before con...

Questions related to the use of anti-inflammatory tablets for atopic dermatitis? Hello Doctor, I have moderate to severe atopic dermatitis, and my primary physician suggested that I apply for health insurance coverage for Dupilumab. They prescribed me anti-inflammatory tablets to...

Elderly individuals with red blisters on their skin? Hello Doctor, I would like to inquire about the issue of red blisters appearing on the skin of an elderly person who has been bedridden for a long time. Recently, some red blisters have appeared on the inner side of their arm. ...

Oral isotretinoin issues? Hello, Doctor. Since middle school, I have been experiencing acne in the T-zone. Initially, I was treated with antibiotics, but my condition fluctuated. Later, I saw some improvement with glycolic acid peels and mandelic acid treatments, but I still cont...

The toe post-surgery tissue is very stiff and lacks color? Hello Doctor, I had debridement surgery on my left little toe over a month ago, where the nail bed was cleaned and surrounding tissue was sutured. The surface of the wound appears to have healed, but the flesh of the toe ...

Sebaceous cyst issues? I originally had a black spot on my hand that I thought was folliculitis. After seeing a dermatologist, I was told it was a wound and not to worry about it. A few months later, it developed into a lump the size of a grain of rice. One day, it suddenly becam...

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...

Exfoliation caused by applying rhododendron flower acid? Due to prolonged standing, friction on the soles of my feet caused melanin deposition. After visiting a dermatologist, the doctor prescribed me azelaic acid and advised me to apply it thinly in the morning and evening. Afte...

Granules on the chest and abdomen? Hello Dr. Wu, I have been struggling with a persistent skin issue for a long time. I have small, bump-like lesions on my body that resemble sebaceous cysts or comedones, primarily located on my abdomen, chest, and extending to my back (as shown ...

Paronychia issues? During my first visit to the dermatologist, the doctor diagnosed me with paronychia, noting redness and nail separation, and prescribed oral medication along with griseofulvin. During my second follow-up appointment, the doctor prescribed terbinafine, stating t...

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...

Abscess healing I would like to ask the doctor, I recently developed something resembling a boil behind my ear. I saw a doctor today, and black pus came out, leaving a somewhat deep cavity. I would like to know if this cavity will heal on its own with medication, or does it defin...

Circular fungal infection on the left foot with a completely white appearance? Hello Doctor: I am currently seeing a dermatologist for a circular patch of tinea on my left foot that has been progressively worsening. I have been applying a topical anti-inflammatory medication for ...