Understanding Darker Toenails: Is It a Sign of Fungal Infection?
The color of the right big toe is darker? Hello, doctor! The color of the toenail on my right big toe has been noticeably darker than that of my left toe since childhood. However, there are no associated symptoms such as itching or pain, and there haven't been any significan...
Dr. Li Yufen reply Dermatology
Hello: Since color cannot be determined from a textual description, I recommend that you consult a nearby dermatologist to diagnose any potential issues. Generally, onychomycosis (fungal nail infection) is characterized by discoloration, thickening, or brittleness. It can be effe...[Read More] Understanding Darker Toenails: Is It a Sign of Fungal Infection?
How to Treat Nail Splitting in Seniors: Tips for Healthy Nails
Nail fracture Hello Dr. Lee, I would like to inquire on behalf of my grandmother. She is in her sixties and enjoys getting her nails done. Her nails were previously very healthy, but recently they have started to break, and her toenails are even splitting in the middle, which is...
Dr. Li Yufen reply Dermatology
Hello: In elderly patients or those with diabetes, it is important to rule out the possibility of fungal infections, specifically onychomycosis (fungal nail infection). A black line in the middle of the fingernail may indicate benign conditions such as melanonychia, but in rare c...[Read More] How to Treat Nail Splitting in Seniors: Tips for Healthy Nails
Understanding Inflammation After Wart Treatment: Causes and Next Steps
Inflammation after applying wart treatment solution for common warts (image) A few days ago, I visited a dermatologist for a common wart that has been present for a long time. I have tried six months of cryotherapy and one laser treatment, but nothing has worked. Just the day bef...
Dr. Li Yufen reply Dermatology
Hello: The redness, swelling, and pain are indeed signs of an inflammatory response. Since there is no obvious wound, some individuals may find that the inflammatory reaction gradually subsides after discontinuing the use of the treatment solution for a few days. It is also advis...[Read More] Understanding Inflammation After Wart Treatment: Causes and Next Steps
Effective Home Treatment Strategies for Scabies Prevention and Control
Regarding the management of living spaces for scabies patients? Last month, I was diagnosed with scabies. After treatment, I was initially cured, but recently it has recurred. It seems likely that the environment was not completely treated, or that family members may have been in...
Dr. Li Yufen reply Dermatology
Hello: Due to the broad scope of environmental disinfection and control, please refer to the Dermatology Expert Health Network at www.drskincare.com.tw/Qa_Detail.aspx?ID:51 Home → Common Skin Issues → Infectious Diseases → Scabies → Environmental Disinfection and Control of Scabi...[Read More] Effective Home Treatment Strategies for Scabies Prevention and Control
Managing Sweat Patches During Pregnancy: Safe Solutions and Concerns
Chloasma (during pregnancy) Hello, Dr. Li. I would like to seek your advice. I am someone who tends to sweat a lot. Every summer, as soon as I start doing any physical activity (like cooking or cleaning), I become drenched in sweat. Shortly after, I notice sweat stains on my ches...
Dr. Li Yufen reply Dermatology
Hello: It is generally not recommended to use antifungal shampoos (such as Ketoconazole) during pregnancy or breastfeeding. It is advisable to stay in air-conditioned environments to avoid sweating, wear moisture-wicking and breathable clothing, and keep the skin dry. Some cases ...[Read More] Managing Sweat Patches During Pregnancy: Safe Solutions and Concerns
Can You Drink Cold Water While Taking Antihistamines for Eczema?
Atopic dermatitis Can I frequently drink cold water while taking antihistamines like Quetiapine to treat skin itching? Thank you.
Dr. Li Yufen reply Dermatology
Hello: Generally speaking, it is fine to drink cold water while eating. Wishing you peace and happiness.[Read More] Can You Drink Cold Water While Taking Antihistamines for Eczema?
Post-Cryotherapy Care for Warts: Managing Blisters and Wound Healing
After cryotherapy for a viral wart, the blister has burst, and the area has also come off? Hello Doctor, I have developed viral warts on my hands and feet. I have undergone several cryotherapy sessions since April 30, with the most recent one on June 11. After the cryotherapy, bl...
Dr. Li Yufen reply Dermatology
1. For wound care, you can use povidone-iodine for disinfection, followed by saline solution for further cleaning, and then apply an antibiotic ointment. Finally, cover the wound with gauze or an adhesive bandage. 2. Using breathable gauze will not hinder wound healing; however...[Read More] Post-Cryotherapy Care for Warts: Managing Blisters and Wound Healing
Understanding Thick Calluses and Peeling Skin: Eczema or Athlete's Foot?
Thick calluses and peeling on the hands and feet may indicate chronic eczema or athlete's foot? Dear Dr. Lee, I would like to describe my symptoms as follows: 1. The dorsal surfaces of my fingers on both hands have developed thick calluses that are neither itchy nor painfu...
Dr. Li Yufen reply Dermatology
Hello: 1. The photos of the left and right arms appear to be more consistent with chronic psoriasis, which is a type of chronic eczema. Treatment duration may be prolonged, and it is essential to apply the ointment regularly while avoiding scratching. 2. The condition of the ...[Read More] Understanding Thick Calluses and Peeling Skin: Eczema or Athlete's Foot?
Understanding Crab Lice: Symptoms, Treatment, and Relief Options
Keloid issues? Hello, pharmacist: My relative experiences increasing redness and swelling after being bitten by mosquitoes, and he scratches the area, which affects his daily activities due to pain and itching. I would like to know if this is keloid formation? I found online that...
Dr. Li Yufen reply Dermatology
Hello: Based on your description, unless you have a predisposition to keloid formation (hypertrophic scarring), it is also possible that this is an allergic reaction to insect bites or a combined bacterial infection (due to scratching the itchy area). It is advisable to consult a...[Read More] Understanding Crab Lice: Symptoms, Treatment, and Relief Options
Understanding Scabies Infection Risk in Dermatology Clinics
The probability of contracting scabies? Hello, doctor: I would like to ask a question. I visited a dermatology department at a teaching hospital, and while waiting for my appointment, I learned that the previous patient was diagnosed with scabies. I saw the doctor shortly after (...
Dr. Li Yufen reply Dermatology
Hello: Generally, the likelihood of contracting scabies from brief contact is low. However, if you are really concerned, you can apply scabies cream all over your body from the neck down as a preventive treatment. Thank you. Wishing you peace and happiness.[Read More] Understanding Scabies Infection Risk in Dermatology Clinics
Understanding Chronic Urticaria: Causes, Symptoms, and Relief Strategies
Chronic urticaria Since October, I started experiencing bumps that felt like mosquito bites, which I initially ignored. Later, I found out it was urticaria (hives). At first, I researched online and tried cold compresses. In the winter, with temperatures around 14-15 degrees Cels...
Dr. Li Yufen reply Dermatology
Hello: There are many causes of urticaria; some are related to diet, while others are due to external stimuli such as temperature, sunlight, and stress. Additionally, some cases may occur after exercise. It is recommended to keep a record of the time and location of each outbreak...[Read More] Understanding Chronic Urticaria: Causes, Symptoms, and Relief Strategies
Understanding Scabies: Are There Long-Term Effects and Symptoms?
Does scabies have any long-term effects? Hello: A 1-year-and-4-month-old child has been diagnosed with scabies by a doctor for the past 4 months. The child has been taking sulfur baths daily, applying medication all over the body, soaking clothing in boiling water, and rotating s...
Dr. Li Yufen reply Dermatology
Hello: It is recommended to visit a medical center to confirm the presence of scabies mites under a microscope. However, sometimes a negative examination does not rule out scabies, as it may depend on the sampled lesions. The mites themselves, their eggs, or their waste can cause...[Read More] Understanding Scabies: Are There Long-Term Effects and Symptoms?
Understanding Black Bumps in the Groin: When to Seek Medical Advice
Black pimples in the groin area? Hello Dr. Lee: I have a black bump about 0.3 cm in size in my right groin area. It doesn't hurt if I don't touch it, but when I squeeze it, a lot of pus (which is more of a paste-like consistency rather than liquid) comes out easily. Sho...
Dr. Li Yufen reply Dermatology
Hello: There is a black pimple in the right groin area, and it produces pus when squeezed. Based on your description, it is difficult to determine the symptoms. I recommend visiting a nearby dermatologist for evaluation and treatment. Wishing you peace and happiness.[Read More] Understanding Black Bumps in the Groin: When to Seek Medical Advice
Understanding Unusually Thick Hair on Hands: Dermatology Insights
Please provide the content you would like me to translate into English? Hello, I have a question: one of the hairs on my arm is particularly thick, similar to the thickness of hair, while the other arm hairs are fine and less noticeable. Is there any issue with this?
Dr. Li Yufen reply Dermatology
Hello: Generally speaking, having one particularly thick hair on the hand is not indicative of any special disease. Thank you, and I wish you peace and happiness.[Read More] Understanding Unusually Thick Hair on Hands: Dermatology Insights
Understanding Warts: Contagion Risks and Treatment Effectiveness
Warts on hands and feet? Is the wart on my left index finger contagious? Can it spread to my scalp while washing my hair? (I have been undergoing cryotherapy.) The wart on my left foot is getting larger; what could be the reason for this? Is it due to ineffective cryotherapy?
Dr. Li Yufen reply Dermatology
Hello: The infectiousness of the virus is not that strong; usually, it only enters through minor skin abrasions or wounds. After cryotherapy, blisters may form under the skin, and once the blisters dry, they will scab and fall off. Sometimes, it may appear that there is no skin i...[Read More] Understanding Warts: Contagion Risks and Treatment Effectiveness
How to Properly Treat Jellyfish Stings: Expert Advice and Best Practices
How to treat a jellyfish sting? I work in marine services and often encounter customers who have been stung by jellyfish. In the past, we used ammonia to treat these stings, but I recently heard that ammonia is no longer recommended. Is this true? (I can't find ammonia at th...
Dr. Li Yufen reply Dermatology
Hello: 1. First, remove the injured person from the water and bring them to the shore. Use a towel or clothing to gently remove any tentacles still attached to the body, avoiding using your hands to prevent secondary stings. 2. You can soak the affected area in a solution of 50% ...[Read More] How to Properly Treat Jellyfish Stings: Expert Advice and Best Practices
Understanding Skin Peeling and Itching: Possible Eczema Symptoms
Peeling and itching skin? Hello doctor, I have some slight peeling and itching in the area just below my breast areolas and on my back where my bra sits. I have experienced this before, even on my abdomen, but now it has only remained around my chest and back. I haven't seen...
Dr. Li Yufen reply Dermatology
Hello: It is recommended that you consult a nearby dermatologist for an accurate diagnosis, as it could be eczema, urticaria, or a localized fungal skin infection. Please ensure to keep the area breathable and well-ventilated. Wishing you peace and happiness.[Read More] Understanding Skin Peeling and Itching: Possible Eczema Symptoms
Understanding Facial Redness, Peeling, and Itching: Causes and Remedies
Skin redness, swelling, and peeling? Doctor, my face originally had peeling skin only around the mouth area, but now the entire lower half of my face is peeling, and it is red, swollen, and itchy. Sometimes applying lotion causes pain. What should I do? Should I apply lotion? Why...
Dr. Li Yufen reply Dermatology
Hello: There are many causes for facial redness, swelling, itching, and peeling, with eczema being the most common. However, it is recommended to visit a nearby dermatologist for a definitive diagnosis. For treatment, applying an ointment may lead to quicker recovery. Thank you. ...[Read More] Understanding Facial Redness, Peeling, and Itching: Causes and Remedies
Understanding Eczema and Nail Psoriasis: Causes and Treatments
Atopic dermatitis & paronychia Hello Dr. Lee, In August 2010, my hands developed atopic dermatitis due to frequent exposure to water and detergents related to my work. The symptoms have been intermittent, primarily affecting the palms of my hands. I have seen several dermat...
Dr. Li Yufen reply Dermatology
Hello: 1. Recurrent atopic dermatitis and long-term sleep deprivation can lead to immune dysregulation. It is recommended to maintain a regular sleep schedule, engage in moderate exercise, and reduce sources of stress, as sometimes it can resolve without medication. 2. Routine bl...[Read More] Understanding Eczema and Nail Psoriasis: Causes and Treatments
Understanding Granulation Tissue Formation and Its Differences from Granulomas
Granulation tissue formation What are the necessary conditions for the formation of granulation tissue, and how does it differ from granuloma? Thank you!
Dr. Li Yufen reply Dermatology
Hello: Granulation tissue generally refers to formations similar to polyps, which typically arise due to aging and loosening of the skin over time. Granulomas, on the other hand, are caused by excessive proliferation during the healing of skin wounds. Thank you. Wishing you peace...[Read More] Understanding Granulation Tissue Formation and Its Differences from Granulomas