Is My Toe Bruise Serious? Understanding Skin Issues After Injury
Doctor, is my toe bruised? Doctor, I'm not sure if this is a bruise. It doesn't hurt and appeared after running. The dark area next to my fingernail is from a previous injury where I pinched my finger, and the medication I applied there won't wash off. How long wil...
Dr. Li Yufen reply Dermatology
Hello: The provided link cannot display the photos as chenyachen's images are not publicly available. If you have persistent skin abnormalities, it is recommended that you consult a nearby dermatologist for diagnosis and treatment. Thank you![Read More] Is My Toe Bruise Serious? Understanding Skin Issues After Injury
Understanding Cold Urticaria: Causes, Symptoms, and Treatment Options
Cold-induced urticaria I have had allergies for nearly 20 years. Whenever I am exposed to cold air, swim in cold water, or if the air conditioning is too cold, I develop rashes. However, if I stay in a warm environment for about half an hour, the symptoms gradually improve. Is th...
Dr. Li Yufen reply Dermatology
Hello: Regarding chronic urticaria, you can refer to the article by Dr. Chia-Yu Chu from National Taiwan University Hospital at http://epaper.ntuh.gov.tw/health/201206/special_1_1.html. If your skin abnormalities persist, it is advisable to consult a dermatologist nearby for diag...[Read More] Understanding Cold Urticaria: Causes, Symptoms, and Treatment Options
Understanding Nail Pitting: Causes and Treatment Options
Nail pitting Both of my thumbs have nails that are growing with horizontal ridges, appearing wavy. This has been happening for some time. What could be the reason for this?
Dr. Li Yufen reply Dermatology
Hello: Based solely on the textual description, it is not possible to accurately diagnose a skin condition. Typically, the appearance of horizontal ridges on the nails indicates that nail growth has been suppressed for a certain period, which may occur due to severe illness, majo...[Read More] Understanding Nail Pitting: Causes and Treatment Options
Understanding the Effects of Fenretinide on Genital Warts and Skin Conditions
The issue of using phenoxyethanol on cauliflower? I would like to consult a doctor about the following issues: 1. There is a ring of small, somewhat inconspicuous blisters at the corona of the glans (the doctor mentioned it was not very noticeable). 2. There are several more prom...
Dr. Li Yufen reply Dermatology
Hello: For a detailed introduction to genital warts (condylomata acuminata), you can refer to Dr. Chen Chia-Wei's article on the Dermatology Expert Health Network at http://www.drskincare.com.tw/Qa/Detail.aspx?ID=154. In theory, Western medicine does not support the concept ...[Read More] Understanding the Effects of Fenretinide on Genital Warts and Skin Conditions
Best Clinics for Corn Treatment in Dazhi Neihu Area
Inquiry Clinic I would like to ask about a corn on my foot. I live in the Dazhi Neihu area. Can you recommend a clinic nearby for treatment? I would like to use cryotherapy.
Dr. Li Yufen reply Dermatology
Hello: I recommend that you utilize the Taiwan Dermatological Association's "Find a Doctor" feature at http://www.derma.org.tw/user_finddoctor.php. Thank you![Read More] Best Clinics for Corn Treatment in Dazhi Neihu Area
Understanding Blisters on the Side of Your Right Big Toe
A blister has formed on the side of the right big toe? Hello Dr. Li, my symptoms are that I have developed several blisters on the right side of my right big toe, not between the toes but on the upper right side. The area around the blisters is red, and after I popped them, they ...
Dr. Li Yufen reply Dermatology
Hello: It is not possible to accurately diagnose skin diseases based solely on a textual description. Common conditions such as vesicular tinea pedis, dyshidrotic eczema, and frictional blisters could all be possibilities. If your skin abnormalities persist, it is advisable to co...[Read More] Understanding Blisters on the Side of Your Right Big Toe
Understanding Scalp Itching: Causes and Solutions for Relief
Scalp itching? Doctor, I would like to ask: The area on my scalp, specifically the front middle right (approximately one-fourth of my scalp), has been itching every day. Even after washing my hair and drying it, it still itches. I would like to know what this condition might be. ...
Dr. Li Yufen reply Dermatology
Hello: Based solely on the textual description, it is not possible to accurately diagnose a skin condition. Common conditions such as eczema, seborrheic dermatitis, psoriasis, and tinea capitis (ringworm infection of the scalp) could all potentially cause itching. It is recommend...[Read More] Understanding Scalp Itching: Causes and Solutions for Relief
Understanding Blisters and Bruising After Cryotherapy for Warts
After cryotherapy for warts on the hand, blisters have formed? Is it normal to have blisters with bruising after cryotherapy? How many days will it take for them to go away? If I accidentally bump them while writing, will they burst? Thank you.
Dr. Li Yufen reply Dermatology
Hello: Cryotherapy may cause skin reactions similar to frostbite, which can result in blisters or hematomas. The time required for blisters to scab over varies depending on the size of the blister or individual constitution, and it may take a week or more. It is recommended to ke...[Read More] Understanding Blisters and Bruising After Cryotherapy for Warts
Understanding Cauliflower Disease: Treatment and Transmission Risks
Cauliflower treatment Hello doctor, I was diagnosed with genital warts last month. After receiving traditional Chinese medicine treatment, the lesions have been removed. I am currently continuing treatment and would like to ask, since my boyfriend and I have had unprotected sexua...
Dr. Li Yufen reply Dermatology
Hello: Regarding genital warts (condylomata acuminata), you can refer to the article on the Dermatology Expert Health Network at http://www.drskincare.com.tw/Qa/Detail.aspx?ID=154 and the article by Dr. Tsai Cheng-Fang from National Taiwan University Hospital at https://www.ntuh....[Read More] Understanding Cauliflower Disease: Treatment and Transmission Risks
Understanding Allergic Acne: Causes, Symptoms, and Treatments
Allergic acne Hello, recently I've been getting small red bumps on my face, some of which have a little white on top. When I apply a topical medication, it temporarily disappears, but the next day, new bumps appear on the other side, and they always come in clusters in diffe...
Dr. Li Yufen reply Dermatology
Hello: It is not possible to accurately diagnose a skin condition based solely on a textual description. If your skin abnormalities persist, I recommend consulting a nearby dermatologist for a definitive diagnosis and treatment. Thank you![Read More] Understanding Allergic Acne: Causes, Symptoms, and Treatments
Understanding Post-Cryotherapy Swelling of Hand Warts
Viral warts on the hands? Hello doctor, I would like to ask if swelling after cryotherapy for warts on both hands is a normal phenomenon.
Dr. Li Yufen reply Dermatology
Hello: After cryotherapy with liquid nitrogen, the surrounding skin may experience swelling similar to frostbite, and there may even be the formation of blisters. Thank you![Read More] Understanding Post-Cryotherapy Swelling of Hand Warts
Understanding Treatment Options for Genital Warts: A Dermatologist's Guide
Cauliflower treatment issues? Hello, doctor. I have been working in mainland China for a long time, and I discovered two small growths on my foreskin early last year. I underwent acetic acid testing at a hospital in China, which confirmed they were genital warts. My girlfriend al...
Dr. Li Yufen reply Dermatology
Hello: For a detailed introduction to cauliflower (also known as warts), you can refer to the article by Dr. Tsai Cheng-Fang from National Taiwan University Hospital at https://www.ntuh.gov.tw/derm/healthcareCenter/healthCenter/%E8%8F%9C%E8%8A%B1.aspx. Since you have been working...[Read More] Understanding Treatment Options for Genital Warts: A Dermatologist's Guide
Understanding Bumps on the Outer Side of Your Big Toe: Causes and When to See a Doctor
Growths on the outer side of the toes? Hello, Doctor: I have noticed small bumps or lesions on the outer side of my right big toe. They are flesh-colored with a slight redness, quite noticeable to the touch, but they are not painful or itchy. The area is relatively small, about t...
Dr. Li Yufen reply Dermatology
Hello: Based on the textual description, it is not possible to accurately diagnose the skin condition. If your skin abnormalities persist, I recommend consulting a nearby dermatologist for a definitive diagnosis and treatment. Thank you![Read More] Understanding Bumps on the Outer Side of Your Big Toe: Causes and When to See a Doctor
Understanding Persistent Red Spots on Skin: Causes and Treatments
Red spots or red dots? Hello doctor, I previously had small red spots on my hands, about the size of a ballpoint pen dot, flat and not raised. They are not acne or any type of follicular keratosis or heat rash... They do not affect me and eventually disappear on their own after a...
Dr. Li Yufen reply Dermatology
Hello: Based on the description provided, it is not possible to accurately diagnose the skin condition. If the skin abnormalities persist, it is recommended that you return for a follow-up appointment to consult with your treating physician for a definitive diagnosis and to discu...[Read More] Understanding Persistent Red Spots on Skin: Causes and Treatments
Understanding Painful Bumps in the Genital Area: Causes and Treatments
Pimples in the genital area? Hello doctor, about 5 days ago I noticed two pimple-like bumps in my genital area. They hurt when touched, I can't squeeze anything out of them, and they cause pain when I walk. I would like to know if this could be folliculitis? I bought a topic...
Dr. Li Yufen reply Dermatology
Hello: The most common condition is folliculitis caused by bacterial infection, which can lead to abscesses or boils. In severe cases, in addition to topical antibacterial ointments, oral antibiotics and anti-inflammatory medications may be prescribed. If your skin abnormalities ...[Read More] Understanding Painful Bumps in the Genital Area: Causes and Treatments
Unexplained Bruising Under Toenail: When to Seek Medical Advice?
Bruising under the toenail without pain? After getting home from work, I noticed bruising under my toenail, but it doesn't hurt at all, and I don't recall kicking or pressing it. It's been almost two weeks, and the bruising hasn't gone away, but it still doesn...
Dr. Li Yufen reply Dermatology
Hello: Generally, bruising under the nail will gradually be absorbed or slowly be expelled as the nail grows, which takes some time. The most common differential diagnosis is melanoma. If the skin lesion persists, it is advisable to consult a dermatologist for diagnosis and treat...[Read More] Unexplained Bruising Under Toenail: When to Seek Medical Advice?
Understanding Plantar Warts: Transmission Risks and Treatment Options
Plantar warts 1. I have plantar warts on my foot, and I just learned today that they are contagious. A few days ago, I touched the wart with my hand, and unfortunately, I have a small wound on my finger joint (about 0.3 square centimeters of broken skin). Is it possible for the w...
Dr. Li Yufen reply Dermatology
Hello: Regarding the causes and treatment of viral warts, you can refer to the article on the Dermatology Expert Health Network at http://www.drskincare.com.tw/Qa/Detail.aspx?ID=52. 1. Viral warts are considered to be contact-transmitted; warts on the feet can potentially sprea...[Read More] Understanding Plantar Warts: Transmission Risks and Treatment Options
Understanding Scalp Inflammation and Hair Loss: Causes and Solutions
The scalp is red, swollen, and itchy, and then the affected area starts to lose hair? Swelling and pain in the head, followed by a reduction in swelling, but with some residual redness and swelling in the area where hair loss has occurred. What could be the cause and how can it b...
Dr. Li Yufen reply Dermatology
Hello: It is not possible to accurately diagnose a skin condition based solely on a textual description. It could potentially be seborrheic dermatitis, psoriasis, bacterial infection, fungal infection, or an autoimmune disease. Treatment can only be directed towards the underlyin...[Read More] Understanding Scalp Inflammation and Hair Loss: Causes and Solutions
Unusual Growths on Fingers: Causes and Treatment Options
Growths on the hand? Hello Dr. Lee, during this period, I have noticed some strange growths on my fingers. However, they do not resemble common warts or corns, which typically have black dots and grow upwards. Instead, they feel somewhat like a polyp and resemble the peeling skin...
Dr. Li Yufen reply Dermatology
Hello: It is not possible to accurately diagnose a skin condition based solely on a textual description. If your skin abnormalities persist, it is recommended that you consult a nearby dermatologist for a definitive diagnosis and treatment. Thank you![Read More] Unusual Growths on Fingers: Causes and Treatment Options
Can You Buy Jianmin Over the Counter at Pharmacies?
Can "Jianmin" be purchased over the counter at a pharmacy? Hello, doctor: May I ask if "Jianmin" is available at general pharmacies? Can it be purchased directly without a doctor's prescription?
Dr. Li Yufen reply Dermatology
Hello: According to the data from the Ministry of Health and Welfare's Food and Drug Administration, it must be prescribed by a physician. Thank you![Read More] Can You Buy Jianmin Over the Counter at Pharmacies?