Understanding Changes in Genital Herpes Symptoms: What You Need to Know
Herpes does not rupture? Hello Doctor, I have genital herpes, which rarely flares up. In the past, after an outbreak, I would first notice redness and then it would develop into blisters that crusted over. However, this year, when I have an outbreak, I only see redness, and it do...
Dr. Zhang Zhibo reply Dermatology
Hello: This situation is a normal phenomenon, so there is no need to worry.[Read More] Understanding Changes in Genital Herpes Symptoms: What You Need to Know
Understanding Scabies: Recurrence, Allergies, and Treatment Options
Scabies I previously underwent treatment for scabies and had a week of relief, but it seems I have been reinfested with scabies mites as I am experiencing frequent itching. I would like to ask: 1. How can I determine if this is a recurrence of scabies or an allergic reaction to t...
Dr. Zhang Zhibo reply Dermatology
Hello: The best treatment for scabies is continuous treatment for at least 2-3 weeks. If new rashes appear two weeks after a single treatment, it indicates that there are still remaining mites on the body, and a second treatment is necessary. If there is only itching, it may indi...[Read More] Understanding Scabies: Recurrence, Allergies, and Treatment Options
Understanding Warts: Transmission, Treatment, and Aftercare Tips
Wart Doctor: Hello, I developed a small wart about 0.1 cm in diameter on my hand last month. I learned from my doctor that it is contagious. I have a few questions: 1. During this time, I used a vaginal suppository. If I touched the outer edge of the vagina, could I transmit the ...
Dr. Zhang Zhibo reply Dermatology
Hello: Warts are contagious through direct contact, and they can be transmitted as long as there is a break in the skin. After cryotherapy, blisters or blood blisters may form; if they break, a dressing change is necessary. Having a wound will not affect the shedding of the scab.[Read More] Understanding Warts: Transmission, Treatment, and Aftercare Tips
Understanding Moles on Palms: When to Worry and Seek Treatment
Moles on the palm? Recently, upon the recommendation of a surgeon, I visited a dermatologist to have some moles on my body examined. After reviewing the moles on my hands and face, the doctor concluded that they did not appear malignant. However, the doctor provided me with infor...
Dr. Zhang Zhibo reply Dermatology
Hello: The moles on the palms and soles have a higher likelihood of transforming into melanoma in individuals of East Asian descent. Irregular size and shape are certainly poor indicators. If possible, it is advisable to have them removed as early as possible.[Read More] Understanding Moles on Palms: When to Worry and Seek Treatment
Understanding and Treating Urticaria Scars: Causes and Solutions
Urticaria scars I would like to ask about my skin allergy, which is similar to urticaria. During high school, I had flare-ups on my legs, but I tried my best not to scratch them. After a season, my legs gradually improved. However, after healing, I noticed the appearance of brown...
Dr. Zhang Zhibo reply Dermatology
Hello: Urticaria can cause skin inflammation, which may lead to post-inflammatory hyperpigmentation. This usually resolves completely within six months. If the results are not satisfactory, medication can be used for treatment.[Read More] Understanding and Treating Urticaria Scars: Causes and Solutions
Understanding and Managing Red Moles: When to Seek Help
Hemangioma I have developed many red spots on my arms and body that look like moles. The last time I saw a doctor, they said it was nothing to worry about, but they keep increasing in number, and I'm a bit concerned. Could you please advise me on how to handle this?
Dr. Zhang Zhibo reply Dermatology
Hello: These small tumors are called "cherry hemangiomas." They are generally not associated with systemic diseases. If you are concerned, you can have them removed with laser treatment; however, if they are too deep, there is a risk of scarring. It is advisable to moni...[Read More] Understanding and Managing Red Moles: When to Seek Help
Should You Squeeze Blackheads? Expert Advice for Teen Skin Care
Should blackheads be squeezed out? My niece is currently in the first year of junior high school, 13 years old, and is going through puberty. As a result, she has a lot of acne on her face and back, and since she has oily skin and has developed earlier, she has noticeable blackhe...
Dr. Zhang Zhibo reply Dermatology
Hello: The recommended method for treating blackheads is to use medications for gentle exfoliation, which can be effective. Medications that can be used include retinoids (such as tretinoin), salicylic acid, and alpha hydroxy acids (AHAs) – it's best to have a dermatologist ...[Read More] Should You Squeeze Blackheads? Expert Advice for Teen Skin Care
Understanding Shingles: When to See a Dermatologist for Treatment
Herpes Zoster - 2 Hello Doctor, thank you for your quick response. I still have some questions I would like to ask you: Initially, I thought it was an abdominal issue, so I consulted the gastroenterology department. Fortunately, I was not misdiagnosed. However, the doctor mention...
Dr. Zhang Zhibo reply Dermatology
Hello: Herpes is often misdiagnosed as other conditions; for example, lesions on the back may be mistaken for lower back pain, and those on the chest may be confused with heart disease. Therefore, patients often first consult internal medicine physicians, orthopedic specialists, ...[Read More] Understanding Shingles: When to See a Dermatologist for Treatment
Should I See a Doctor for My Back and Forehead Acne?
Consult a physician? I would like to ask the doctor if I should see a physician. Recently, I have developed many pimples on my back, and I have a few large pimples on my forehead. What could be the cause of this? Sometimes my back itches. Thank you, doctor!
Dr. Zhang Zhibo reply Dermatology
Hello: Of course, you can consult a physician for treatment. There are many causes of acne, including hormonal factors, sleep disturbances, stress, pore keratinization, and infections.[Read More] Should I See a Doctor for My Back and Forehead Acne?
Understanding Cauliflower Warts: Symptoms, Incubation, and Testing Options
Cauliflower The incubation period for cauliflower (cauliflower ear) is typically around 2 to 6 weeks. If you have had sexual intercourse, you can generally consider yourself not infected if you do not show any symptoms after 2 weeks. For testing, you can undergo a variety of exam...
Dr. Zhang Zhibo reply Dermatology
Hello: Generally, it takes several months for lesions to become visible in a clinical setting. In cases where there is suspicion of "cauliflower" (likely referring to genital warts), tests for other sexually transmitted infections (STIs) such as syphilis, HIV, herpes, c...[Read More] Understanding Cauliflower Warts: Symptoms, Incubation, and Testing Options
Understanding Shingles: Treatment Options and Recurrence Risks
Shingles Hello Doctor, I have just been diagnosed with shingles, and it has been a week since the onset. The blisters have not yet ruptured, and the affected area extends from my right rib cage to my back, causing severe unilateral neuropathic pain. I have heard that early treatm...
Dr. Zhang Zhibo reply Dermatology
Hello: Herpes zoster, commonly known as shingles, is a reactivation of the varicella-zoster virus that occurs in individuals with weakened immune systems. This virus is one of the few microorganisms that can be effectively treated with antiviral medications. There are generally t...[Read More] Understanding Shingles: Treatment Options and Recurrence Risks
Exploring the Potential Benefits of Mosquito Bites for Skin and Lung Immunity
Frequent exposure to mosquito bites from those that do not carry bacteria, viruses, or other pathogens seems to enhance skin and lung immunity. (Forwarded from the Director's mailbox) Frequent bites from mosquitoes that do not carry bacteria, viruses, or other pathogens seem...
Dr. Zhang Zhibo reply Dermatology
Hello: I personally have no experience with "mosquito therapy." I recommend consulting a rheumatologist or an immunology expert for their insights![Read More] Exploring the Potential Benefits of Mosquito Bites for Skin and Lung Immunity
Understanding Marble Skin Disease: Causes and Treatment Options
White patches may appear on the elbow? From the back of the hand to the elbow, there are skin changes resembling marbled patterns with red and white spots. I previously consulted a dermatologist who mentioned something about "marble-like atopic" conditions, but I apolog...
Dr. Zhang Zhibo reply Dermatology
Hello: Marble skin rash is more common in children, so the likelihood for your age is low. The red and white pattern resembles a tinea infection; it would be advisable to consult a few more physicians for further evaluation![Read More] Understanding Marble Skin Disease: Causes and Treatment Options
Hair Dyeing Before Tooth Extraction: What You Need to Know
Hair dyeing? Tooth extraction~ I plan to dye my hair, but I have a tooth extraction scheduled for that same evening. Will this have any impact?
Dr. Zhang Zhibo reply Dermatology
Hello: There is no correlation between hair dyeing and tooth extraction![Read More] Hair Dyeing Before Tooth Extraction: What You Need to Know
Best Anti-Dandruff Shampoos: Which Brands Work Best for Scalp Health?
Scalp Hello, which brand of anti-dandruff shampoo has better responses? Or is it sufficient to just focus on dandruff control?
Dr. Zhang Zhibo reply Dermatology
Hello: Treatment medications can include products containing Salicylic acid, Zinc pyrithione, Selenium sulfide, Coal tar, and Ketoconazole. The brand does not matter; you can use whichever you are accustomed to.[Read More] Best Anti-Dandruff Shampoos: Which Brands Work Best for Scalp Health?
Understanding Scalp Issues: Causes of Flaky Skin and When to See a Doctor
Scalp Sometimes the scalp seems to have dandruff, and when scratched, it bleeds a little and becomes red. What could be the cause of this? Is it necessary to see a doctor?
Dr. Zhang Zhibo reply Dermatology
Hello: This is what is known as "seborrheic dermatitis." It can be treated with anti-dandruff shampoos. For the scalp rash, topical corticosteroid solutions can be applied. However, if there is bleeding from scratching, it is important to be aware of the risk of skin in...[Read More] Understanding Scalp Issues: Causes of Flaky Skin and When to See a Doctor
Best Treatments for Melanin Enhancement: Expert Dermatologist Insights
Please ask again? Hello, Dr. Chang. What medications are available on the market to increase melanin? You mentioned that since it's close to the testicles, it's not advisable to apply it there. Would applying it solely on the penis have any effects if the testicles are ...
Dr. Zhang Zhibo reply Dermatology
Hello: The idea of darkening the skin of the scrotum is quite unconventional; I have not encountered such cases. However, I researched some literature and found common methods used for sunless tanning: (1) Products containing dihydroxyacetone (DHA), (2) Bronzers (dyes), (3) Produ...[Read More] Best Treatments for Melanin Enhancement: Expert Dermatologist Insights
Understanding Itchy Skin: Causes and Solutions from Dermatology Experts
My skin is itchy (forwarded from the Director's mailbox)? I'm not sure why. Is it due to medication or something else? Can you assist me?
Dr. Zhang Zhibo reply Dermatology
Hello Ms. Chen: Skin itching is one of the most common reasons for seeking medical attention. If it is caused by medication, it could be "urticaria" or "erythema multiforme," as well as "drug-induced exanthema" and "Stevens-Johnson syndrome,&quo...[Read More] Understanding Itchy Skin: Causes and Solutions from Dermatology Experts
Postpartum Rash: Causes and Treatment for Itchy Skin After Delivery
Postpartum rash Hello, doctor. The day after giving birth, I developed some small rashes on my stretch marks on my abdomen and thighs. These rashes are extremely itchy, and scratching them only makes more appear, gradually spreading to my hands and feet. I consulted with my obste...
Dr. Zhang Zhibo reply Dermatology
Hello: Approximately one in five women experience skin itching during pregnancy or shortly after giving birth. Not all skin conditions in pregnant women are directly related to pregnancy. In fact, most pregnant women’s skin itching is caused by common skin disorders that are not ...[Read More] Postpartum Rash: Causes and Treatment for Itchy Skin After Delivery
Understanding Red Spots: Could They Indicate Lupus or STDs?
Purpura Doctor Zhang: Hello, I have several areas of erythema on my arms, waist, and chest. They are not itchy or painful. Could this be related to lupus erythematosus or a sexually transmitted infection? I have heard that tertiary syphilis can present this way. Is that correct? ...
Dr. Zhang Zhibo reply Dermatology
Hello Simon: The description of "red spots, not itchy or painful" is quite common and has many possible causes. Regarding the two conditions you mentioned, let me explain: The rashes associated with lupus erythematosus can present in various forms, with typical manifest...[Read More] Understanding Red Spots: Could They Indicate Lupus or STDs?