Fingers, Dermatology FAQ - Page 7

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Understanding Blisters on Fingers: Causes and Symptoms Explained

Blisters on the fingers? The presence of dense small blisters on the side and palm of the left middle finger, which are not itchy but have a painful sensation, could indicate a condition such as dyshidrotic eczema (also known as pompholyx). Dyshidrotic eczema can sometimes presen...


Dr. Wu Yuxin Reply:
It is possible, and it could also be a fungal infection or a herpes virus infection. Without actually seeing the lesions, it is difficult to confirm. If it is very bothersome, it is advisable to have a dermatologist evaluate it for a proper diagnosis.

[Read More] Understanding Blisters on Fingers: Causes and Symptoms Explained


Why Are My Toenails Not Growing? Common Causes and Solutions

The toenail is not growing? Hello, doctor: I used to trim my nails every 2-3 days, and my fingers are normal, but at least five of my toenails have not grown for the past five years, and there are no abnormalities in the shape of the toenails. I would like to know what might be g...


Dr. Li Yufen Reply:
Hello: The growth area of the nails is the nail matrix located beneath the skin at the back of the nail. The rate of growth can vary due to factors such as age, metabolic rate, and season. If the nail matrix is affected by external trauma, nutritional deficiencies, diseases, infe...

[Read More] Why Are My Toenails Not Growing? Common Causes and Solutions


Understanding Red Rashes on Fingers: Causes and Concerns

Rash inquiry Hello Doctor: Over the past month or two, I have noticed that my fingers occasionally develop small red rashes, but they do not appear on the joints; they are located on the sides of the fingers and not on the palms. There are not many of them, and they are not itchy...


Dr. Li Yufen Reply:
Hello: If there are red rashes only on the sides of the hands, and if there are small blister-like lesions underneath, the most common condition is dyshidrotic eczema, which is a type of hand eczema. Additionally, due to frequent exposure to water, detergents, and other irritants...

[Read More] Understanding Red Rashes on Fingers: Causes and Concerns


Understanding Red Rashes on Fingers: Allergies or Autoimmune Issues?

Rash on the fingers I would like to ask the doctor, my fingers (no other areas or palms) have recently been prone to small red rashes, which do not peel but are somewhat itchy. I saw a dermatologist less than half an hour ago, who said it was urticaria. However, I generally do no...


Dr. Wu Yuxin Reply:
If it is urticaria, there are many possible causes, including autoimmune factors, allergies, and individual constitution. It is necessary to seek medical attention or even undergo blood tests.

[Read More] Understanding Red Rashes on Fingers: Allergies or Autoimmune Issues?


How to Identify Scabies: A Guide for Persistent Skin Itchiness

Determining whether it is scabies mites? Initially, there was itching around the navel and buttocks. After consulting three clinics, the diagnosis was dry skin, and I was prescribed medication and topical ointments. After a month of treatment, the itching persisted, and it became...


Dr. Wu Yuxin Reply:
Without actually seeing the lesion, it cannot be confirmed. If there are any concerns, it is advisable to seek medical attention as soon as possible.

[Read More] How to Identify Scabies: A Guide for Persistent Skin Itchiness


Skin Reactions to Acetaminophen: Redness, Darkening, and Itching Explained

Taking acetaminophen can cause skin swelling, redness, darkening, and itching? Hello Doctor, I have noticed that whenever I take medications containing acetaminophen, which are used for pain relief and fever reduction, certain areas of my body start to become red, dark, and itchy...


Dr. Wu Yuxin Reply:
Fixed drug eruption requires avoiding the re-administration of the same medication component.

[Read More] Skin Reactions to Acetaminophen: Redness, Darkening, and Itching Explained


Understanding Treatment and Infection Risks of Viral Warts

Treatment and Transmission of Viral Warts Hello Doctor: I have been undergoing cryotherapy for warts on the soles of my feet and fingers since early September, consistently every week without interruption. However, after each cryotherapy session, the scabs do not fall off before ...


Dr. Wu Yuxin Reply:
1. If it falls off, redo the procedure; if it doesn't, try to excise the epithelium as much as possible before performing cryotherapy for better results. 2. To what extent is it possible? 3. Yes, but the probability is lower. 4. There is usually very little, almost none, dea...

[Read More] Understanding Treatment and Infection Risks of Viral Warts


Understanding White Spots on Fingers After Wart Treatment

Finger viral warts Hello Doctor, I would like to ask about a small white spot on my skin that has appeared after my treatment for a viral wart on my hand. The wart has improved significantly, but I noticed this small white spot (approximately the size between the lines of my fing...


Dr. Wu Yuxin Reply:
A literal description without actually seeing the lesion cannot confirm the diagnosis; it is recommended to have a dermatologist evaluate it for proper assessment.

[Read More] Understanding White Spots on Fingers After Wart Treatment


Understanding Scabies and Pubic Lice: Symptoms, Treatments, and Concerns

Regarding scabies or pubic lice? Hello, doctor. I previously had scabies, and after treatment, I confirmed that there are no more mites on my body (I stopped medication for two weeks, and there are no symptoms in areas prone to infection like my fingers and belly button). However...


Dr. Li Yufen Reply:
Hello: For information on pubic lice and scabies, you can refer to the articles on the Dermatology Expert Health Network: pubic lice http://www.drskincare.com.tw/Qa/Detail.aspx?ID=117 and scabies http://www.drskincare.com.tw/Qa/Index.aspx?CID=15. Generally, pubic lice do not dire...

[Read More] Understanding Scabies and Pubic Lice: Symptoms, Treatments, and Concerns


Understanding Red Bumps on Skin: Causes and Treatments Explained

Small red spots on the skin? I notice small red spots on my arms or fingers every time I take a shower, but I don't know what they are! They can be a bit itchy. What could this be?


Dr. Wu Yuxin Reply:
A literal description is not sufficient to confirm the condition without actually seeing the lesion. It is recommended to have a dermatologist evaluate it for proper diagnosis.

[Read More] Understanding Red Bumps on Skin: Causes and Treatments Explained


Understanding Persistent Growths Between Fingers: Causes and Treatments

Interdigital fibroma Hello Dr. Lee: I have growths appearing in the webbing of all ten fingers. I have consulted several doctors, and each initially suspected a viral wart infection, but later concluded it was not the case. The growths completely disappear after cryotherapy or be...


Dr. Li Yufen Reply:
Hello: Based solely on the textual description, it is not possible to directly determine the type of skin disease. If the condition persists, it is advisable to consult a dermatologist nearby for a definitive diagnosis, assess whether a biopsy is necessary to determine the cause,...

[Read More] Understanding Persistent Growths Between Fingers: Causes and Treatments


Understanding Hair Loss: Causes and Solutions for Thinning Hair

Male pattern baldness Hello doctor, in the past four weeks, I've noticed that the hair on the top of my head has thinned significantly, giving me a Mediterranean appearance. When I gently run my fingers through my hair, a lot of strands fall out, although it has decreased a ...


Dr. Wu Yuxin Reply:
A literal description cannot confirm the condition without actually seeing the lesion, but if it is Mediterranean type, it should be male pattern baldness. It is recommended to have a physician evaluate it for a proper diagnosis.

[Read More] Understanding Hair Loss: Causes and Solutions for Thinning Hair


Is It an Allergy? Understanding Skin Reactions After Injury

Is this an allergy? In late March, I had a car accident and fractured my metatarsal! I've been applying medication, which has caused small itchy rashes to develop on the dorsum of my foot. The skin color on my foot sometimes appears dark red or dark in tone. I also have 1 to...


Dr. Li Yufen Reply:
Hello: The inflammation on the dorsum of your foot has been present for six months since March. It could be caused by an allergic reaction to topical medication, or it may be due to other conditions. I recommend that you consult a dermatologist nearby for a definitive diagnosis a...

[Read More] Is It an Allergy? Understanding Skin Reactions After Injury


Understanding Skin Sensitivity in Young Children: Causes and Solutions

Skin abnormalities in children? Hello, doctor. My child is currently one year and five months old. Recently, he had influenza B and has fully recovered. However, in the past two days, I've noticed that his skin becomes easily red and swollen with just a slight pinch, or if h...


Dr. Wu Yuxin Reply:
It is likely dermatographism, which is a type of urticaria. Blood tests are not necessarily required, but medical consultation and medication for a period of time are needed.

[Read More] Understanding Skin Sensitivity in Young Children: Causes and Solutions


Understanding Non-Blister Skin Bumps: Causes and Self-Treatment Options

Something that resembles a blister but is not a blister? I have developed many transparent, blister-like bumps on the joints of my fingers. They are not painful, do not itch, and are raised. I'm not sure what they are! Since I am currently working in Australia and cannot com...


Dr. Li Yufen Reply:
Hello: Skin diseases cannot be accurately diagnosed based solely on textual descriptions. In Google images of viral warts, small black dots are often visible on the lesions. Thank you!

[Read More] Understanding Non-Blister Skin Bumps: Causes and Self-Treatment Options


How to Safely Handle Clothes After Contact with Warts

How to handle clothing and items that have come into contact with patients with any type of warts to avoid transmission? I have a question that has been bothering me, and I don't know who to ask. One of my students has developed many warts on her fingers and has been receivi...


Dr. Li Yufen Reply:
Hello: Regarding viral warts, you can refer to Dr. Lin Chi-bin's article at http://www.drskincare.com.tw/Qa/Detail.aspx?ID=52. Essentially, viruses are intracellular parasites and have a very short survival time outside the host, typically not infectious after six months. If...

[Read More] How to Safely Handle Clothes After Contact with Warts


Dealing with Painful Warts on Fingers: Treatment Tips and Advice

Warts on the fingers? I have a wart on my index finger, and I've been applying medication for about a week. However, it seems that I applied too much, and the surrounding area is a bit eroded. Now, there is a red and painful ring around it. Should I continue applying the med...


Dr. Li Yufen Reply:
Hello: If there is redness and pain, you should first stop applying the medication. If you are using a wart treatment solution, you can refer to the educational article from the Dermatology Department of National Taiwan University Hospital at https://www.ntuh.gov.tw/derm/healthca...

[Read More] Dealing with Painful Warts on Fingers: Treatment Tips and Advice


Is Your Finger Infected? Understanding Symptoms and Treatment Options

Regarding whether the fingers are infected with Hand, Foot, and Mouth Disease? Hello Doctor: Yes, currently it's only my right index finger. Two weeks ago, I had some peeling skin, and I pulled the skin off without paying attention to it. I only noticed yesterday that there ...


Dr. Wu Yuxin Reply:
It could be a fungal infection, but a visual examination is necessary for confirmation. Self-medication is not recommended.

[Read More] Is Your Finger Infected? Understanding Symptoms and Treatment Options


Is Your Finger Infected with Hand, Foot, and Mouth Disease?

Is the finger infected with Hand, Foot, and Mouth Disease? Hello Doctor: Recently, I noticed peeling skin on my right hand fingers, and today I saw some blisters. When I squeeze them, fluid comes out. It seems there is also an infection under the nails, but there is no itching. C...


Dr. Wu Yuxin Reply:
Only the fingers of the right hand? It is necessary to examine the other fingers or the feet to determine whether it is dyshidrotic eczema, a fungal infection, or another skin condition.

[Read More] Is Your Finger Infected with Hand, Foot, and Mouth Disease?


Understanding Sweat Blisters: Nail Deformities and Skin Concerns

Dyshidrotic eczema, causing nail deformities? I have a body that doesn't sweat easily, but I suffer from severe palmar hyperhidrosis. Recently, due to the hot weather, my hand sweating has become so severe that it has caused blisters and itching, which happens almost every s...


Dr. Li Yufen Reply:
Hello: Based on the description, the condition of the left little finger does not appear to be a simple dyshidrosis. It is recommended to consult a nearby dermatologist to confirm whether the yellow fluid is pus, serous fluid, or another condition. Additionally, check for any ass...

[Read More] Understanding Sweat Blisters: Nail Deformities and Skin Concerns


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