Can You Swim with a Burned Foot? Risks and Precautions Explained
Can I swim with a foot burn? I burned my foot yesterday on a motorcycle exhaust pipe, but I have to go swimming on Friday. The wound is about 1 centimeter larger than a one-dollar coin, and a large blister has formed. Is there a risk of bacterial infection? Should I just use wate...
Dr. Huang Ruiyun Reply:
Hello: It's better not to go! Take care as a priority.[Read More] Can You Swim with a Burned Foot? Risks and Precautions Explained
Understanding Pain and Swelling in the Big Toe: Causes and Solutions
The big toe is swollen and painful? Last week, after standing all day, my feet were very painful and weak. When I got home, I suddenly noticed that my toes were hurting, especially my big toe, which has also become quite swollen. The toenails are painful as well, and for the past...
Dr. Du Zhiqiang Reply:
Nina: Pain in both feet after standing all day may be due to overuse injuries of the muscles and tendons in the feet and toes. It is advisable to consult a rehabilitation medicine specialist. However, if there is swelling and pain in a single big toe, one should consider paronych...[Read More] Understanding Pain and Swelling in the Big Toe: Causes and Solutions
Understanding Blisters Beneath the Skin: Eczema or Something Else?
There are blisters under the skin? I have had atopic dermatitis since childhood, and recently I noticed that the skin on my palms and fingers has developed something resembling blisters underneath. From the surface, it looks like there are many tiny holes in the skin, but the ski...
Dr. Huang Ruiyun Reply:
Hello: I apologize! According to medical regulations, a doctor cannot diagnose or prescribe medication without personally examining the patient, so I cannot prescribe medication for you. First of all, you should not attempt to break or scratch the skin yourself, as this increases...[Read More] Understanding Blisters Beneath the Skin: Eczema or Something Else?
Understanding Thickened Skin on Feet: Causes and Solutions
Thickening of the skin on the feet? Hello, I have noticed that the skin on the soles of my feet has suddenly become hard over the past six months. It is not painful and does not have an odor, and I do not feel unwell elsewhere in my body. Previously, my foot skin did not have thi...
Dr. Huang Ruiyun Reply:
Hello: It is possible that the hardening of the soles of the feet is related to postmenopausal changes in women, but without a visual examination, a definitive diagnosis cannot be made. It is recommended to wear comfortable and flexible shoes, avoid shoes with hard soles, regular...[Read More] Understanding Thickened Skin on Feet: Causes and Solutions
Understanding Moles: Concerns, Genetics, and Skin Health
Issues related to moles? Symptoms: Concerns related to moles 1. A mole near the right armpit, approximately 0.1 to 0.2 cm, with a lighter color around the edges and a darker center. 2. A black mole on the right chest (between the armpit and the nipple), about 0.2 cm, with a reg...
Dr. Huang Ruiyun Reply:
Hello: 1. The number of moles is related to genetics. In fact, everyone has "moles," just in varying quantities. Some Caucasians also have a considerable number of moles. 2. Not necessarily. This seems to apply to Caucasians, but not to Asians. 3. Dermatologists should ...[Read More] Understanding Moles: Concerns, Genetics, and Skin Health
Should You Take Medication for Systemic Skin Conditions?
Should systemic skin symptoms be treated with medication? Hello Doctor: I have had skin issues since childhood, including palmar keratoderma (severe dryness, roughness, and scaling of the palms) and onychomycosis of the thumb. I also suffer from severe eczema around the anal area...
Dr. Huang Ruiyun Reply:
Hello: I apologize, but your question cannot be accurately answered online, as I cannot see your symptoms. Therefore, I am unable to provide a prescription or continue answering further questions. Please consult a physician. Wishing you all the best.[Read More] Should You Take Medication for Systemic Skin Conditions?
Managing Chronic Eczema: Tips to Prevent Recurrence
Inquire about eczema? Hello, Doctor: I have chronic eczema on my toes that has persisted for a long time. It keeps recurring even after it improves. Is there any way to cure it or prevent its recurrence? Thank you!
Dr. Du Zhiqiang Reply:
Regarding Mr. Lai's issue, it is important to first confirm whether it is eczema or a complication from another infection. Individuals with excessive foot sweating have a higher recurrence rate. Furthermore, the type and duration of medication are also crucial. If necessary,...[Read More] Managing Chronic Eczema: Tips to Prevent Recurrence
Understanding Athlete's Foot: Types, Symptoms, and Treatment Options
Athlete's foot A few months ago, I started developing small blisters between my toes (on both feet). Later, the sides of my feet and the soles began to develop blisters as well (the areas with blisters are very itchy). After a while, the skin becomes hard and slightly darker...
Dr. Du Zhiqiang Reply:
Hello: Regarding the mentioned interdigitating blisters, athlete's foot is a possibility; however, if small blisters also occur on the sides of the soles and there is post-healing pigmentation increase and thickening, it is more likely to be dyshidrotic eczema. The hot and h...[Read More] Understanding Athlete's Foot: Types, Symptoms, and Treatment Options
Understanding Calluses, Warts, and Acne in Pediatric Dermatology
Hyperkeratosis of the soles, viral warts, and acne? Hello Dr. Huang, Recently, I consulted you regarding my child (2 years old) who had a persistent corn on the sole of their foot. We visited your clinic, and you mentioned that the lesion under the big toe resembled a viral wart...
Dr. Huang Ruiyun Reply:
Hello: 1. Keratinization refers to the thickening of the stratum corneum in the skin, which can also mean the formation of calluses. 2. This should be a product name; I cannot provide an answer without knowing the ingredients of this medication. 3. Please follow up at the origina...[Read More] Understanding Calluses, Warts, and Acne in Pediatric Dermatology
Understanding Foot Moles: Insights from Dermatology Consultations
The issue of moles on the soles of the feet? Today, I visited another dermatology clinic and received "different opinions." After showing the doctor the mole on the sole of my foot, he gently scraped a piece of paper over the mole and said that since it has been there f...
Dr. Huang Ruiyun Reply:
Hello: Most moles on the soles of the feet are actually benign. The information circulating online can be quite alarming, leading many people to undergo surgery just for a definitive diagnosis. If you have concerns, you can opt for a surgical biopsy for diagnosis; the decision is...[Read More] Understanding Foot Moles: Insights from Dermatology Consultations
Understanding Skin Lesions: When to Consider Removal and Options Available
excuse me? I have a black mole about 5mm in size on the sole of my left foot, which has been there for several years. It hasn't changed much, but I'm quite concerned about it... so I've decided to have it removed! Today, I registered at a dermatology clinic in Touf...
Dr. Huang Ruiyun Reply:
Hello: If you want to have surgery on the same day as your outpatient visit, my understanding is that you should go to a level one medical center (such as National Taiwan University Hospital, Chang Gung Memorial Hospital, or Taipei Veterans General Hospital, but not a municipal h...[Read More] Understanding Skin Lesions: When to Consider Removal and Options Available
Understanding Toenail Pain: Causes and Treatment Options
Toenails Hello Doctor, I am Tong Tong from Sanchong, Taipei County. I have a question because a few days ago I felt very uncomfortable with my toenail, so I kept trimming it, and eventually it started to bleed from the side of my big toe. Now my foot hurts a lot, and I don't...
Dr. Huang Ruiyun Reply:
Hello: It is very likely that you have an "ingrown toenail." Please refrain from trimming it yourself and consult an orthopedic specialist (there are outpatient services covered by health insurance at hospitals). Alternatively, you can first see a dermatologist and take...[Read More] Understanding Toenail Pain: Causes and Treatment Options
Understanding Calluses on Toddlers' Feet: Causes and Solutions
Calluses on the soles of children's feet? Hello Dr. Huang, I would like to ask: My baby started using a crab walker when he was 7-8 months old, and since then, he has developed hard calluses at the junction of the big toe and the sole of his left foot. Now that he is almos...
Dr. Huang Ruiyun Reply:
Hello: It is most likely a simple callus (the flat type is called a corn, while the one that grows deeper is called a plantar wart). The cause is a local repetitive pressure that triggers the skin's self-protective mechanism. No amount of care, massage, or exfoliation will b...[Read More] Understanding Calluses on Toddlers' Feet: Causes and Solutions
Understanding Changes in Moles: When to Seek Dermatological Advice
Moles on the body becoming lighter or disappearing? Hello, Dr. Jiang! I have had a dark brown mole on my chest since childhood, approximately 5mm in diameter. It is very noticeable but flat, and I usually don’t pay much attention to it. However, about 4 to 5 years ago, I suddenly...
Dr. Jiang Yujiao Reply:
Some moles do fade gradually with age, which is normal and not indicative of a malignant transformation. It would be more appropriate to visit a dermatology clinic for an in-person examination. Response from Jiang Yujiao.[Read More] Understanding Changes in Moles: When to Seek Dermatological Advice
Understanding Urticaria: Allergies, Treatment, and Skin Changes
Answer I would like to ask about my skin condition. I have had allergies for a long time and have seen doctors who diagnosed me with urticaria. Although I have urticaria and experience allergic reactions, I have been using medication, and after a season, it improved. However, I h...
Dr. Jiang Yujiao Reply:
Hello! The symptom of having a freckle on my foot initially appeared as just one spot, but it has now almost encircled my foot. I believe it is a post-inflammatory hyperpigmentation resulting from an allergy, which will fade over time, taking several months. My personal email is ...[Read More] Understanding Urticaria: Allergies, Treatment, and Skin Changes
Causes of Yellowing and Thickening Toenails: When to Worry?
Yellowing of toenails? I previously had a history of athlete's foot, which later healed, but I noticed that my toenails started to turn yellow and thicken over time. I personally dislike cutting my toenails and usually wait until they reach a certain length before trimming t...
Dr. Jiang Yujiao Reply:
Hello: Yellowing and thickening of the nails should be evaluated based on the degree of thickening and how many toenails are affected. Generally, considerations include localized long-term pressure, fungal infections, or genetic factors, and a dermatologist should make the assess...[Read More] Causes of Yellowing and Thickening Toenails: When to Worry?
Understanding the Benefits of Salicylic Acid for Skin Care
I would like to know the answer? What are the effects of salicylic acid? Where can it be purchased? Is it suitable for foot soaks?
Dr. Jiang Yujiao Reply:
Hello: The application of urea in dermatology is for keratolysis. I'm not sure where to purchase it, and I do not recommend using it for foot soaks. Hospitals have urea solutions and ointments available, which are of a certain concentration. Response from Jiang Yujiao.[Read More] Understanding the Benefits of Salicylic Acid for Skin Care
Understanding Foot Itching and Unpleasant Odor: Causes and Treatments
Could you please provide more details or specify your question? My toes started off dry, and after a few days, they began to itch. What could this condition be? Will wearing closed shoes while going out in the next few days have any impact? Also, I don't know why my whole bo...
Dr. Huang Ruiyun Reply:
Hello: I apologize, but according to regulations, a physician cannot make a diagnosis without seeing the patient in person, so diagnoses cannot be made online. If you are truly concerned, please visit a dermatologist in person. Wishing you peace and good health.[Read More] Understanding Foot Itching and Unpleasant Odor: Causes and Treatments
Understanding Blood Accumulation in the Foot: Causes and Treatments
Bruising on the sole of the foot? Due to running, I developed a blood-filled blister approximately 2.2 cm long near the base of my big toe and second toe. It is elongated, contains blood, and is painful when pressure is applied. The ends are slightly swollen. I am unsure how to h...
Dr. Zhang Zhibo Reply:
Hello: Blisters caused by exercise do not require aggressive treatment. If they interfere with walking, you can use a sterilized needle to pop them, but it is best not to handle them on your own. If a wound occurs, cover it with a clean adhesive bandage or gauze. These blisters w...[Read More] Understanding Blood Accumulation in the Foot: Causes and Treatments
Understanding Warts: Transmission, Prevention, and Treatment Options
Wart Hello Doctor: My husband has developed several growths on the soles of his feet, which he refers to as "corns." However, a dermatologist has diagnosed them as "warts." Are warts contagious? If he walks barefoot in certain areas, do those places also pose ...
Dr. Zhang Zhibo Reply:
Hello: Warts are a skin infection caused by the human papillomavirus (HPV) and are contagious. The transmission route is through direct contact, provided that the infected person has a cut or abrasion on their skin. Therefore, wearing the shoes of an infected person poses a risk ...[Read More] Understanding Warts: Transmission, Prevention, and Treatment Options