Skin, Dermatology FAQ

Understanding the Contagiousness of Viral Warts and Care Tips

Are viral warts highly contagious? How should they be cared for? Hello, doctor. As mentioned in the title, I have viral warts on both of my fingers, and they are located in areas that I frequently touch. I also have one on the top of my little toe. I would like to ask: 1. Are v...

Dr. Wu Yuxin Reply:
1. If there is a wound on the skin or if one's immune system is compromised, there is a higher risk of infection. 2. It still occurs. 3. It is not necessary, but treatment should continue. 4. There are risks, but different subtypes of viral warts have different regional prev...

Why Is My Eyebrow Turning White? Causes and Solutions

What should I do if my eyebrows turn white? Hello, I am a 20-year-old college student. At the end of August, I noticed that one of my eyebrows started to turn white. I didn't pay much attention to it, thinking it was similar to having a lot of white hairs. Last week, I disco...

Dr. Wu Yuxin Reply:
It is recommended to see a dermatologist as soon as possible; it could be vitiligo, but without actually seeing the condition, it is not possible to be certain.

Is My Burn Healing Properly? Understanding Symptoms and Scar Treatment

Is there a problem with this burn? Hello, doctor. Last week, I got splashed with hot oil on my finger. Initially, blisters formed, and I went to see a doctor who prescribed medication and advised me to apply a thick dressing. Now the blisters have subsided, but the skin is dark a...

Dr. Wu Yuxin Reply:
Online consultations may not resolve your issue; it is recommended that you seek treatment from a dermatologist as soon as possible.

Understanding Skin Issues on the Chest: Causes and Treatments

Skin issues of the chest? Hello, I am currently 42 years old. After giving birth, I noticed that my chest occasionally develops pimples with pus. At first, I thought it was due to being overweight and having larger breasts, which made it easier for acne to form. After self-treatm...

Dr. Wu Yuxin Reply:
Skin issues cannot be diagnosed based solely on appearance; it is recommended that you see a dermatologist for an examination as soon as possible.

Can Toxoplasma Parasites Infect Through Skin Contact?

Can schistosomiasis parasites penetrate the skin? Hello, Doctor. I am currently pregnant and I am very careful to avoid Toxoplasma infection. I researched the ways Toxoplasma can be transmitted, and one of them includes "contact with soil." Since then, I have been very ...

Dr. Wu Yuxin Reply:
No.

Understanding Post-Injury Infections: What to Do After a Foreskin Injury

It seems that the foreskin has been injured and is possibly infected? Hello Doctor: I work at a construction site and had a sexual encounter at an adult venue where I received a handjob from a sex worker about a month ago. I sustained a serious injury, and it hurts when I wash or...

Dr. Wu Yuxin Reply:
I cannot provide a diagnosis directly here. If you are feeling very unwell, it is important to seek treatment at a hospital as soon as possible.

Understanding Scalp Issues: Hair Loss and Itching Explained

Scalp skin 1. About two days after washing my hair, my scalp becomes itchy, and my hair feels oily. 2. My hair has also become finer, and I am experiencing significant hair loss; I have already lost half of my hair volume over the past two years. Especially during my menstrual pe...

Dr. Wu Yuxin Reply:
A diagnosis requires the physician to actually see the condition of the skin and hair; it cannot be made based solely on verbal descriptions.

Is Your Mole Growing and Painful? Signs of Potential Skin Issues

The mole has enlarged and is painful when pressed? Hello, I have a mole on my eyebrow that I've had since childhood, but recently it has been painful when pressed and seems to have grown larger. I would like to ask if this could be a sign of a potential malignancy?

Dr. Wu Yuxin Reply:
Pain and enlargement may indicate inflammation, but it doesn't necessarily mean there is a pathological change. However, any changes should prompt a visit to a dermatologist for evaluation, as addressing any concerns early can lead to timely solutions.

Understanding Skin Issues: Dark Spots Under Eyes After Sun Exposure

Skin issues Hello, Doctor. This morning when I woke up and washed my face, I noticed a dark spot under my eyes that looks like a blemish, but it wasn't there a few days ago. I only noticed it after going hiking yesterday, where I might have been exposed to too much sun. Addi...

Dr. Wu Yuxin Reply:
We cannot perform online diagnoses in this manner; we recommend that you see a dermatologist for evaluation and treatment as soon as possible.

Can Damaged Nail Matrix Heal? Understanding Recovery and Care Tips

Will the nail growth plate heal if it is damaged? Last October, I burned the skin above the nail bed while cooking, and after the skin healed, I started experiencing issues with my nail one or two months later. The new nail that grew out has a straight line, and as it grew to the...

Dr. Li Yufen Reply:
Hello: The extent to which the nail growth plate can recover depends on the severity of the initial injury and whether there is any fibrosis involved. It is recommended to continue monitoring the condition while maintaining a normal daily routine, ensuring a balanced diet, and mi...

Understanding HPV 6 and 16: Risks, Monitoring, and Next Steps

HPV type 6 positive +++ On July 15, my girlfriend had an abnormal Pap smear, which tested positive for HPV types 6 and 16. I underwent a self-paid HPV test on August 7, which showed HPV 6 positive, but no lesions were found. The doctor advised that I should return only if lesions...

Dr. Li Yufen Reply:
Hello: For a detailed introduction to viral warts, you can refer to the article on Care Online at https://www.careonline.com.tw/2017/08/warts.html and Dr. Tsai Cheng-Fang's introduction at https://skin168.pixnet.net/blog/post/102301948. It is recommended to maintain a regula...

Can Topical A Acid and Antibiotics Cause Seborrheic Keratosis?

Conditions caused by A acid? Hello doctor, I have recently been using topical retinoids and antibiotic ointments to treat my acne. The acne has improved, but I feel like there are many skin-colored raised bumps on my face. The doctor said it is seborrheic keratosis. Could the use...

Dr. Li Yufen Reply:
Hello: The application of topical retinoids and antibiotic ointments does not cause seborrheic keratosis. It is common to experience an increase in acne for the first 1-2 weeks after starting topical retinoids, but this will improve with continued use. Thank you!

Understanding Econalone and Bifonazole Creams for Skin Conditions

I'm sorry, but I cannot assist with that? Thank you very much for the doctor's response! I have a few more questions to ask: 1. What are the functions of Econalone cream and Bifonazole cream 1% "Sinph"? 2. Do Econalone cream and Bifonazole cream 1% "Sinp...

Dr. Wu Yuxin Reply:
I can only tell you that I have never seen your skin symptoms before, and I cannot help you determine whether you need to continue seeking medical care or if not doing so will have any adverse effects.

Understanding Blisters on Hands and Feet: Fungal Infections vs. Dyshidrosis

Blisters on hands and feet? Hello, Doctor. I originally had athlete's foot and onychomycosis. Last November, I took oral medication for over three months, and my onychomycosis has mostly improved, with only a small area remaining on my big toe. Before taking the medication, ...

Dr. Wu Yuxin Reply:
Based solely on the literal description, it is not possible to determine whether it is a fungal infection or dyshidrotic eczema. Moreover, during the summer, Taiwan's hot and humid climate often sees both conditions coexisting and can easily lead to recurrent episodes. It is...

Understanding Moles: Cancer Risks and Skin Care Tips

Do you have any questions related to moles? I haven't washed my belly for a long time and just discovered two suspicious stone-like formations. I pressed on them forcefully to clean, but they wouldn't come off. I ended up pressing so hard that I caused bleeding on the s...

Dr. Wu Yuxin Reply:
Bleeding should be assessed to determine whether it is due to trauma caused by forceful rubbing or if it is spontaneous bleeding, as these two scenarios have different implications. It is advisable to consult a dermatologist as soon as possible for an examination.

Can Friction-Induced Hyperpigmentation in the Groin Area Be Reversed?

Hyperpigmentation in the groin area? Hello, doctor. I have a problem with hyperpigmentation in the groin area due to long-term vigorous scrubbing while showering (I have similar issues in other parts of my body as well, as I easily develop friction-induced hyperpigmentation). I w...

Dr. Wu Yuxin Reply:
First, change the habit of scrubbing vigorously, as friction can indeed lead to pigmentation on the skin. For treatment, please consult a dermatologist for an in-person discussion.

Over-the-Counter Treatments for Seborrheic Dermatitis: What You Need to Know

Over-the-counter medications In the past few months, I have seen a dermatologist three times who diagnosed me with seborrheic dermatitis. I forgot the names of the medications prescribed during the first two visits, but I remember they were controlled substances. The third prescr...

Dr. Wu Yuxin Reply:
It is not recommended to self-medicate, as there are many types of skin issues. For example, blisters on the feet could be caused by a fungal infection or dyshidrotic eczema, and the treatments for these two conditions are completely different. Using the wrong medication could po...

Can Tinea Cruris Infect the Foreskin? Understanding the Risks and Symptoms

Can tinea cruris infect the foreskin? Doctor, is it possible for tinea cruris to infect the foreskin? I recently developed tinea cruris and visited a dermatologist who prescribed me Econalone cream and Bifonazole cream 1% "Sinph," along with a bottle of antifungal wash....

Dr. Wu Yuxin Reply:
Without actually seeing the skin condition, it is not possible to make a definitive assessment. I recommend that you consult with the dermatologist who originally treated you for a follow-up.

Safe Anti-Itch Creams for Individuals with Favism

Patients with G6PD deficiency can use anti-itch ointments? I have favism, and recently I've been experiencing itchy skin that initially felt like insect bites. The itchy areas then became swollen and gradually expanded. The doctor diagnosed it as urticaria and prescribed ant...

Dr. Li Yufen Reply:
Hello: For the contraindicated foods and medications related to G6PD deficiency, you can refer to the introduction by the Smiling Pharmacist at https://www.edh.tw/article/15111. There are many types of topical anti-itch creams available; as long as you avoid the contraindicated i...

Understanding Toe Dermatitis: Causes, Symptoms, and Treatment Options

Calluses on the toes Hello, my toes have been repeatedly developing something, and I couldn't find matching symptoms online, so I'm here to ask. The symptoms include itching in the toe joints that gets worse with scratching, and after a while, black, hard skin develops ...

Dr. Li Yufen Reply:
Hello: Based solely on the textual description, it is not possible to accurately diagnose a skin condition. Chronic dyshidrotic eczema initially presents with small blisters and itching. After the blisters dry up, there may be peeling or hardening of the skin. If the skin conditi...

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