Effective Treatments for Persistent Herpes Symptoms: What You Need to Know
Herpes issues? Previously, the hospital asked me to undergo a Pap smear test, and then maliciously applied herpes virus to it, which has caused me to suffer from herpes ever since. The herpes on other areas has healed after some time of treatment, but the herpes around the anal a...
Dr. Lin Xinpeng reply Dermatology
Hello: Regarding your inquiry, generally speaking, the most important mode of transmission for genital herpes is through sexual contact, so it is not related to a Pap smear examination. If genital herpes lesions occur repeatedly over a long period, topical treatments may have lim...[Read More] Effective Treatments for Persistent Herpes Symptoms: What You Need to Know
Curved Toenails: Causes, Concerns, and When to Seek Help
Curvature of the toenails on both sides? Doctor, my husband's big toe is severely curved inward at the front on both sides, and the flesh is pinched to the point where there's hardly any left. He insists that it doesn't hurt and he has no sensation, so he refuses t...
Dr. Lin Xinpeng reply Dermatology
Hello: Regarding your nail issues, if your nails are deformed, thickened, discolored, or prone to brittleness, you may be suffering from onychomycosis (fungal infection). It is advisable to consult a dermatologist, as this condition is generally not related to diet. Treatment opt...[Read More] Curved Toenails: Causes, Concerns, and When to Seek Help
How to Identify and Treat Mosquito or Flea Bites on Skin
Unsure if it's a mosquito bite or a flea bite? Yesterday, I attended a class in the physics and chemistry laboratory at school, but since it is on the first floor, there were a lot of mosquitoes (so many that the teacher set up several mosquito traps). However, it was the fi...
Dr. Lin Xinpeng reply Dermatology
Hello: Based on your symptoms, whether it is a flea or mosquito bite, it can be classified as an insect bite reaction, which is a more severe form of skin inflammation. The ingredients in the topical ointment (generally a combination of menthol and petroleum jelly) may not help a...[Read More] How to Identify and Treat Mosquito or Flea Bites on Skin
Choosing the Right Scar Treatment After an Injury: A Guide
Scar treatment for injuries? I previously had an injury and want to remove the scar, but there are many types available on the market, and I'm unsure which one to buy. Would it be better if I visit a dermatologist at the hospital to get a scar removal ointment? There are two...
Dr. Lin Xinpeng reply Dermatology
Hello: I'm not sure what type of scar you are referring to. Scars can generally be classified into atrophic scars and hypertrophic scars. Currently, there are no effective topical medications for atrophic scars. For hypertrophic scars, scar gels or silicone sheets can be use...[Read More] Choosing the Right Scar Treatment After an Injury: A Guide
Unexplained Itching: What Could Be Causing Your Skin Discomfort?
Itchy skin without any other symptoms? A couple of days ago, I started experiencing itching on my skin, but it’s not due to seafood or allergies, as I have never had this issue before. I’m unsure if it’s related to my recent irregular schedule or if there’s some underlying condit...
Dr. Lin Xinpeng reply Dermatology
Hello: There are many causes of pruritus, which may be due to skin diseases or related to systemic internal diseases. Common skin diseases that cause pruritus can be broadly divided into primary and secondary types. For primary causes, one should pay attention to whether there is...[Read More] Unexplained Itching: What Could Be Causing Your Skin Discomfort?
Can I Use Ketoconazole Shampoo Daily for Seborrheic Dermatitis?
Use Kérastase shampoo? Hello Doctor: I have seborrheic dermatitis, and my scalp has a lot of dandruff. I previously purchased Ketoconazole shampoo (containing 2% ketoconazole) and used it twice a week as per the instructions. It was effective at first, so I reduced the frequency ...
Dr. Lin Xinpeng reply Dermatology
Hello: Generally speaking, seborrheic dermatitis tends to recur and is difficult to eradicate. Symptoms may worsen due to emotional stress, seasonal changes, pressure, lack of sleep, or external environmental stimuli. Therefore, if your condition is prone to recurrence, it is rec...[Read More] Can I Use Ketoconazole Shampoo Daily for Seborrheic Dermatitis?
Understanding Red Spots Around the Mouth: Causes and Treatments
There are spots on both sides of the mouth? Hello Dr. Lin, about five days ago (on January 24), I noticed red spots appearing on both sides of my mouth, slightly below the corners. They are irregularly shaped, approximately one centimeter in diameter. After a few days, the rednes...
Dr. Lin Xinpeng reply Dermatology
Hello: Based on your description, it is difficult to determine the initial type of lesion. The most likely possibility is post-inflammatory hyperpigmentation resulting from dermatitis. It is recommended that you visit a dermatology clinic for a more accurate assessment.[Read More] Understanding Red Spots Around the Mouth: Causes and Treatments
Understanding Skin Reactions: Are Face Masks Right for You?
Facial skin Hello, doctor. Today I applied a face mask with my roommate, but we used different brands. Shortly after applying it, I felt a tingling sensation that was quite uncomfortable. Is this an issue with my skin, or is it common to experience this? When I removed the mask a...
Dr. Lin Xinpeng reply Dermatology
Hello: Generally speaking, if you have concerns about the ingredients in a facial mask, you can bring the mask's ingredients to a dermatology clinic for analysis by a professional dermatologist. If the contents include alpha hydroxy acids or exfoliating agents, you may exper...[Read More] Understanding Skin Reactions: Are Face Masks Right for You?
Red Spots on the Soles: Understanding Skin Issues and Treatments
Red spots on the soles of the feet? Hello doctor, I have developed numerous red spots on the soles of my feet and toes. Initially, I didn't think much of it, but I've noticed that they have increased in number and the color has darkened. They are not itchy, but they fee...
Dr. Lin Xinpeng reply Dermatology
Hello: There are still concerns about distortion in the photos. It is recommended that you visit a professional dermatologist for a more accurate diagnosis regarding your issue. It is not advisable to use ointments or make self-assessments before a definitive diagnosis is made.[Read More] Red Spots on the Soles: Understanding Skin Issues and Treatments
Understanding Greenish Lipomas on the Knee: What You Need to Know
The cyst is greenish? I have two sebaceous cysts on my knee that are close together. I went to see a doctor, and she examined them and said they are cysts. Upon closer inspection, they appear greenish. What could this be? Thank you.
Dr. Lin Xinpeng reply Dermatology
Hello: Generally speaking, the color of a sebaceous cyst can vary depending on its location, depth, and contents, appearing in skin tones, bluish-gray, and other colors. Since you did not provide an image, it is difficult to determine the type of lesion based on your description ...[Read More] Understanding Greenish Lipomas on the Knee: What You Need to Know
How to Treat a Cat Scratch: When to See a Dermatologist
General trauma Yesterday, while playing with my cat, I was injured between the thumb and index finger of my right hand. I initially thought it was just a minor abrasion, but after a day, I noticed that the wound had not broken the skin; instead, it has swollen into an oval-shaped...
Dr. Lin Xinpeng reply Dermatology
Hello: Based on your description, it is difficult to determine the exact type of lesion. I recommend that you visit a dermatology clinic or attach images to facilitate diagnosis.[Read More] How to Treat a Cat Scratch: When to See a Dermatologist
Understanding Hard Bumps on the Sole: Causes and Treatments
There are calluses on the soles of the feet? Hello, Doctor! I have a question. I have round hard lumps on the sole of my foot that feel rough to the touch, but they don't hurt when I press on them. It's quite bothersome to have these two new things on my foot for no rea...
Dr. Lin Xinpeng reply Dermatology
Hello: Generally, a callus-like growth on the sole of the foot may be considered a corn or a viral wart. Based on your image, it appears more like a corn, as it lacks the characteristics of a viral wart. However, I still recommend that you visit a dermatologist for a definitive d...[Read More] Understanding Hard Bumps on the Sole: Causes and Treatments
Why Is My Wound Not Healing After a Year? Skin Care Insights
The wound has not healed for a year? Hello, I would like to ask about a wound I have. It was originally caused by a mosquito bite that broke the skin. I have a habit of scratching the wound, so it hasn't healed for a long time (1 to 2 months). Later, I tried to stop scratchi...
Dr. Lin Xinpeng reply Dermatology
Hello: In addition to UV damage, skin cancer can also develop from wounds that have not healed for a long time; ulcerative wounds may potentially transform into squamous cell carcinoma. It is recommended that you visit a dermatology clinic for a professional evaluation by a physi...[Read More] Why Is My Wound Not Healing After a Year? Skin Care Insights
Understanding Skin Thickening and Hardening: Causes and Concerns
Skin thickening and hardening? Hello Doctor, Symptoms: [Localized thickening and hardening of the skin on the outer thigh] I noticed yesterday that the skin on the outer side of my thigh has become hard and thickened, but visually there seems to be no significant abnormality (I...
Dr. Lin Xinpeng reply Dermatology
Hello: Based on your description, it is not possible to determine if there are any skin lesions. I recommend that you visit a dermatologist for an examination and arrange for a skin biopsy. The pathology report can confirm whether you have scleroderma or other skin conditions.[Read More] Understanding Skin Thickening and Hardening: Causes and Concerns
Hair Loss After Wound Healing: Understanding Post-Injury Alopecia
Hair loss after wound healing? Hello Doctor, two weeks ago I developed a pimple-like sore on the top of my head. Unfortunately, I didn't take care of it properly, which led to an infection and inflammation. The sore became quite deep, and the surrounding area became swollen ...
Dr. Lin Xinpeng reply Dermatology
Hello: Based on your condition, it appears to be inflammation caused by an infection, which may be classified as scarring alopecia. After inflammation, the surrounding soft tissue undergoes fibrosis, leading to severe damage to the hair follicles and resulting in hair loss. If sc...[Read More] Hair Loss After Wound Healing: Understanding Post-Injury Alopecia
Understanding Red Spots on Skin: Possible Causes and Concerns
Red spots resembling blood clots? Hello, doctor. I apologize for interrupting you during your busy schedule, but I would like to ask a question: My father ate pumpkin and pork rice noodles last Sunday, and the next day he developed bright red spots all over his legs (which look l...
Dr. Lin Xinpeng reply Dermatology
Hello: Based on your description, the red rash on both lower limbs appears slightly raised and resembles petechiae. This skin manifestation is more consistent with vasculitis. Generally, vasculitis is not related to food; it is mostly triggered by infections or autoimmune disease...[Read More] Understanding Red Spots on Skin: Possible Causes and Concerns
Understanding Post-Scabies Skin Discoloration: Causes and Duration
Scabies sequelae Hello doctor, I would like to ask why there are usually black spots left on the skin after scabies has healed. How long will it take for these black spots to disappear?
Dr. Lin Xinpeng reply Dermatology
Hello: The black spots that occur after general skin inflammation or infection are referred to as "post-inflammatory hyperpigmentation." This type of pigmentation can take anywhere from a few months to several years to gradually fade. It does not require special treatme...[Read More] Understanding Post-Scabies Skin Discoloration: Causes and Duration
Understanding a Hard Lump in Your Armpit: Causes and Treatment
A hard lump under the armpit? Hello doctor, I have had a hard, painless lump in my armpit for a while, but it seems to have grown larger recently. I measured it and it is about 1 centimeter in size now. Initially, it was painless, but starting from the second day, it has become p...
Dr. Lin Xinpeng reply Dermatology
Hello: Based on your description, it is possible that you have an inflamed epidermoid cyst or an inflamed sweat gland. If your symptoms include redness, swelling, heat, and pain, it indicates a bacterial infection beneath the skin, and you may need oral antibiotics. It is recomme...[Read More] Understanding a Hard Lump in Your Armpit: Causes and Treatment
Understanding a Painful 3cm Lump Under the Armpit: Causes and Concerns
There is a 3 cm lump in the armpit? I have a hard lump that has appeared on my thigh, and it hurts when I touch it. It's also visible to the naked eye. I would like to ask the doctor, what could this be?
Dr. Lin Xinpeng reply Dermatology
Hello: Based on your description, it is possible that it is a bacterial infection of an epidermal cyst, or it could be a tumor arising from subcutaneous appendages. However, the description is not complete enough to make a definitive assessment. I recommend that you visit a derma...[Read More] Understanding a Painful 3cm Lump Under the Armpit: Causes and Concerns
Concerns About Moles Near Eyeliner: When to See a Dermatologist or Ophthalmologist?
There is a mole in the area where eyeliner is applied? Hello, doctor. Previously, I mentioned that I have many moles on my body. Recently, I accidentally discovered that there are small moles in the middle of the upper eyelid where I apply eyeliner, one is lighter and the other i...
Dr. Lin Xinpeng reply Dermatology
Hello: Please refer to the ABCDE principle I mentioned earlier. Regardless of where your mole is located, as long as it is smaller than 0.6mm and has not shown any significant growth or changes recently, the likelihood of malignancy is very low. If you still have concerns, I reco...[Read More] Concerns About Moles Near Eyeliner: When to See a Dermatologist or Ophthalmologist?