Long-Term Use of Herpes Cream: Risks and Side Effects Explained
Herpes issues? Hello, doctor. I would like to inquire about the long-term use of topical herpes ointment due to recurrent herpes labialis that I experienced throughout the year 2022. I would like to know if such prolonged use could lead to skin changes or side effects. Thank you ...
Dr. Wu Yuxin Reply:
No.[Read More] Long-Term Use of Herpes Cream: Risks and Side Effects Explained
Understanding Painful Red Bumps on the Scrotum: Possible Causes
Several red, swollen spots have appeared on the scrotal skin? Hello, doctor. Today I noticed a few red, swollen spots on the skin of my scrotum near the inner thigh, which are similar in size to acne. They are painful when touched but not itchy. I researched folliculitis, but the...
Dr. Wu Yuxin Reply:
A consultation is necessary to make a diagnosis.[Read More] Understanding Painful Red Bumps on the Scrotum: Possible Causes
Is Over-Cleaning Your Hands with Alcohol Harmful to Your Skin?
After washing hands, spray alcohol twice? Hello, doctor. I would like to ask if washing my hands with soap and then spraying alcohol on them twice shortly afterward could lead to over-cleaning and have any negative effects on my skin. I noticed that my hands feel a bit stingy and...
Dr. Wu Yuxin Reply:
After washing your hands with soap, there is no need to apply alcohol. Over-cleaning can indeed damage the skin and disrupt its protective barrier, making it more prone to dryness and cracking.[Read More] Is Over-Cleaning Your Hands with Alcohol Harmful to Your Skin?
Should You Use Acne Cream for a Single Pimple? Expert Advice
About acne? Hello, doctor. I visited a dermatologist today for eczema on my back, and I happened to have a small pimple next to my nose. The doctor prescribed a topical acne medication, Clindamycin. The pimple had some pus and was white, but after I washed my face at home and bef...
Dr. Wu Yuxin Reply:
If the acne is not severe, it's perfectly fine to let it resolve on its own. Generally, I would recommend waiting about half an hour after applying skincare products before applying anything else.[Read More] Should You Use Acne Cream for a Single Pimple? Expert Advice
Understanding Winter Itch: Causes and Treatments for Abdominal Skin Irritation
In winter, the skin on the abdomen can become very itchy? Hello doctor, for the past few years during winter, I have been experiencing intense itching on both sides of my lower abdomen and near my waist. The itching becomes worse, especially when I shower with hot water. The affe...
Dr. Wu Yuxin Reply:
Most cases of seborrheic dermatitis are caused by excessive dryness, commonly referred to as winter itch. It is essential to apply moisturizer after bathing.[Read More] Understanding Winter Itch: Causes and Treatments for Abdominal Skin Irritation
Painful Blood Blister-Like Bump in Groin Area: What to Do?
There is a blood blister-like lesion on the right side of the groin that is painful when rubbed? There is a blood blister-like lesion on the right side of my groin that is painful when rubbed. Initially, it appeared similar to a pimple, but later it became raised and resembled a ...
Dr. Wu Yuxin Reply:
Online consultations cannot diagnose based solely on images, as this is illegal. It is advised that you seek medical attention as soon as possible if you have any concerns.[Read More] Painful Blood Blister-Like Bump in Groin Area: What to Do?
Concerns About Yeast Infection After Blister Treatment: What to Know
Blister wounds exposed to yeast infection? Hello Doctor: I would like to ask about a situation. Last week, I developed a painful blistering rash on my foot, and the blisters were quite large. The doctor decided to drain them with a needle and prescribed antibiotics along with a t...
Dr. Wu Yuxin Reply:
Not all types of yeast can infect the skin. At this stage, it is important to maintain cleanliness and monitor the situation. If symptoms occur, seek medical attention as soon as possible.[Read More] Concerns About Yeast Infection After Blister Treatment: What to Know
Identifying Mysterious Skin Rashes: What Bit You?
Skin bitten by insects? Walking outside in humid, rainy weather in the morning didn't seem to cause any issues, but after taking a shower, I noticed a rash on my leg. I'm unsure what bit me, but there is a wound in the center that looks similar to a vampire bite, with r...
Dr. Wu Yuxin Reply:
Without seeing the wound, I cannot determine anything.[Read More] Identifying Mysterious Skin Rashes: What Bit You?
Can I Use Calamine Lotion for Herpes-Like Bumps Near the Nose?
I have a question? Mom has a bump near the philtrum below the nostrils that looks like a herpes lesion. My sister often has angular cheilitis. Is it okay to apply BoroPlus cream?
Dr. Li Yufen Reply:
Hello: Baoling Fude Shuru Cream is primarily used to treat bacterial skin infections. If it is a simple herpes infection, specialized antiviral ointments can be used. For angular cheilitis, it is advisable to supplement with B vitamins and vitamin C, and topical oral ointments ca...[Read More] Can I Use Calamine Lotion for Herpes-Like Bumps Near the Nose?
Understanding New Moles: Are They Related to Your Health?
Mole pigmentation? Hello doctor, I recently noticed a prominent black mole on the skin of my genital area. It's not located on the labia minora, but rather on the outer skin of the labia majora. It's quite dark and I didn't have it before; it’s not very raised, mor...
Dr. Li Yufen Reply:
Hello: The evolution of common pigmented nevi can range from benign nevi to dysplastic nevi, or even malignant melanoma. For a detailed introduction to melanoma, you can refer to the article on Care Online: https://www.careonline.com.tw/2017/07/melanoma.html. If the skin conditio...[Read More] Understanding New Moles: Are They Related to Your Health?
Sudden Allergic Reactions: Uncovering Unknown Triggers After Cat Adoption
Unknown allergen suddenly causing an allergic reaction? I started raising a cat at the end of September and have been in contact with it daily. So far, I haven't experienced any allergies. On November 14, my diet was the same as usual, with no changes. That evening, I went t...
Dr. Li Yufen Reply:
Hello: If your current skin condition has not improved or has worsened, it is advisable to consult a dermatologist nearby for diagnosis and to assess whether further examination and treatment are necessary. You can find a doctor at http://www.derma.org.tw/user_finddoctor.php. If ...[Read More] Sudden Allergic Reactions: Uncovering Unknown Triggers After Cat Adoption
Can You Use A Acid Acne Cream Without a Doctor's Prescription?
A Acid Acne Skin Moisturizer Due to the presence of many acne lesions, I would like to purchase a topical retinoid (A acid) for my skin. Can I use it on my own since I have never used it before and have not seen a dermatologist, or should I first consult a doctor for an evaluatio...
Dr. Wu Yuxin Reply:
This is a prescription medication that requires a physician's diagnosis before it can be prescribed. Self-medication is not recommended.[Read More] Can You Use A Acid Acne Cream Without a Doctor's Prescription?
Understanding Inner Thigh Black Spots: Causes and Treatments
Black spots on the inner thigh? I have black spots on the inner thighs that emit an odor when squeezed, resembling blackheads. The acne occasionally recurs, and this issue has troubled me for a long time. Sometimes the black spots are very noticeable and can be squeezed out, whil...
Dr. Wu Yuxin Reply:
If there are any concerns, it is advisable to seek medical attention.[Read More] Understanding Inner Thigh Black Spots: Causes and Treatments
Understanding Urea in Skincare: Is 1% Safe and Compliant?
Ingredient in skincare products - Allantoin Hello, doctor. I would like to ask if there is a percentage limit for the ingredient allantoin in skincare products. The product I am currently using contains 1% allantoin, and I am unsure if it complies with the regulatory limit of 0.5...
Dr. Wu Yuxin Reply:
The limitation on concentration percentages is primarily to distinguish between cosmetics and pharmaceuticals.[Read More] Understanding Urea in Skincare: Is 1% Safe and Compliant?
Unexplained Itching: Is It Possible to Have Bites on One Leg Only?
Insect bites? Recently, I have been experiencing a recurring condition on my foot that resembles mosquito bites (but I am certain it is not from mosquitoes). The affected area is below the knee, primarily concentrated around the ankle and the top of the foot. When one area heals,...
Dr. Li Yufen Reply:
Hello: It is not possible to accurately diagnose skin diseases based solely on a textual description. For a detailed introduction to insect bites, you can refer to Dr. Lin Cheng-Hsien's article at https://www.dr-skin.com.tw/health/view/20. If the skin condition does not impr...[Read More] Unexplained Itching: Is It Possible to Have Bites on One Leg Only?
Understanding Yellowish Skin with Black Spots: Dermatology Insights
A patch of yellow skin with black spots? There is a yellow-green patch of skin on my body that appears yellow with black spots. The black spots become more noticeable when I stretch the skin, but they don't look very dark, and there are many of them. The location is on the r...
Dr. Wu Yuxin Reply:
Please seek medical attention! It's unclear what issue you are trying to express.[Read More] Understanding Yellowish Skin with Black Spots: Dermatology Insights
Understanding Mosquito Bites: Causes, Symptoms, and Treatment Options
Insect bites Hello Doctor: I was bitten by an unknown insect, and at the moment of the bite, I felt a sharp pain. I didn't pay much attention to it, but after a few days, I noticed a hard lump under the skin, and the area became itchy. There is no pain when I press on it. Th...
Dr. Wu Yuxin Reply:
It is still necessary to seek medical attention; without consulting a doctor, how can one know what the problem is?[Read More] Understanding Mosquito Bites: Causes, Symptoms, and Treatment Options
Understanding Skin Conditions: Helping a Reluctant Patient with Diabetes
Medical consultation My father has recently been experiencing a skin condition that he is reluctant to seek medical attention for. His skin shows symptoms similar to those in the attached image, and he has been scratching to the point of bleeding. I would like to know what this c...
Dr. Wu Yuxin Reply:
Online diagnosis is not possible. Based on your description, your father belongs to a group with lower immunity, which can complicate matters if there are any wounds. It is advisable to seek medical attention as soon as possible.[Read More] Understanding Skin Conditions: Helping a Reluctant Patient with Diabetes
Understanding Soft Fibromas: Common Questions and Concerns Answered
Please provide the content you would like me to translate into English? Dear Dr. Wu, Thank you very much for your response and explanation regarding the consultation on soft fibromas in article #188947. I have a general understanding of soft fibromas now. I have a few questions ...
Dr. Wu Yuxin Reply:
1. Normal. 2. I personally have not encountered it. 3. Both laser treatment and surgical excision are possible.[Read More] Understanding Soft Fibromas: Common Questions and Concerns Answered
Is Mica in Moisturizers Safe for Your Skin? Understanding Its Effects
Mica powder (pearl powder) Many commercially available moisturizing gels contain pearlescent ingredients (mica powder), which are typically found in eyeshadows or cosmetics. If applied every night, could this be harmful to the skin? If not washed off, will the body absorb and met...
Dr. Wu Yuxin Reply:
If there are concerns, why continue to use them? There are so many moisturizing products available; alternatives can be chosen.[Read More] Is Mica in Moisturizers Safe for Your Skin? Understanding Its Effects