Understanding Skin Rashes: Causes, Symptoms, and Treatments
Skin rash Three days ago, several red rashes appeared on the inner side of my right calf and the inner side of my left thigh. Some of them have blisters, and I initially thought it was caused by insect bites. Today, I noticed that the rashes are increasing in number, and they are...
Dr. Wu Yuxin Reply:
Online consultations cannot provide a diagnosis; it is recommended to consult a dermatologist for an accurate assessment.[Read More] Understanding Skin Rashes: Causes, Symptoms, and Treatments
Understanding Scabies: Misdiagnosis, Treatment Challenges, and Recovery
Scabies issues? Hello Doctor, I previously had a scabies infection that did not improve after several months of treatment, and I consulted different doctors who diagnosed me with eczema, fungal infections, and sweat dermatitis. It wasn't until April of this year, when I retu...
Dr. Wu Yuxin Reply:
You need to see it to know; the symptoms of scabies and dyshidrotic eczema can be quite similar, and it is necessary to examine other areas to make a definitive diagnosis.[Read More] Understanding Scabies: Misdiagnosis, Treatment Challenges, and Recovery
Understanding Itchy Rash on Limbs: Causes and Solutions
Rash and itching on the limbs, but no rash on the body? I am a Malaysian international student. I originally had skin sensitivity issues around my joints, but after arriving in Taiwan, the sensitivity around my joints disappeared. However, I developed large patches of rash on my ...
Dr. Li Yufen Reply:
Hello: Based solely on the textual description, it is not possible to accurately diagnose a skin condition. The hot and humid climate during summer can lead to rashes such as heat rash or eczema, and the skin may also react to new environmental allergens. If the skin condition do...[Read More] Understanding Itchy Rash on Limbs: Causes and Solutions
Is My Burn Healing Properly? Understanding Symptoms and Scar Treatment
Is there a problem with this burn? Hello, doctor. Last week, I got splashed with hot oil on my finger. Initially, blisters formed, and I went to see a doctor who prescribed medication and advised me to apply a thick dressing. Now the blisters have subsided, but the skin is dark a...
Dr. Wu Yuxin Reply:
Online consultations may not resolve your issue; it is recommended that you seek treatment from a dermatologist as soon as possible.[Read More] Is My Burn Healing Properly? Understanding Symptoms and Scar Treatment
Understanding Eczema: Why Healing Wounds Can Trigger Symptoms
Healed wounds can develop into eczema? Hello Dr. Lee: I have a history of nasal allergies, and last year I was diagnosed with contact dermatitis. I've noticed that whenever I have a wound, such as a minor abrasion or a cut from a utility knife, it tends to develop into an ec...
Dr. Li Yufen Reply:
Hello: Based on the description, it seems to resemble an acute inflammatory state of atopic dermatitis. If it recurs frequently, you may consider testing for Immunoglobulin E and conducting allergen testing. It is recommended to consult a nearby dermatologist for diagnosis and to...[Read More] Understanding Eczema: Why Healing Wounds Can Trigger Symptoms
Understanding Blisters on Hands and Feet: Fungal Infections vs. Dyshidrosis
Blisters on hands and feet? Hello, Doctor. I originally had athlete's foot and onychomycosis. Last November, I took oral medication for over three months, and my onychomycosis has mostly improved, with only a small area remaining on my big toe. Before taking the medication, ...
Dr. Wu Yuxin Reply:
Based solely on the literal description, it is not possible to determine whether it is a fungal infection or dyshidrotic eczema. Moreover, during the summer, Taiwan's hot and humid climate often sees both conditions coexisting and can easily lead to recurrent episodes. It is...[Read More] Understanding Blisters on Hands and Feet: Fungal Infections vs. Dyshidrosis
Understanding Lip Sores: Medication Guidance for Effective Treatment
Medication Inquiry I have been experiencing recurrent blisters and itching on my lips for a month. Two days ago, it started to ooze pus, so I went to see a doctor. The doctor said it was lip inflammation, but I later mentioned that it initially looked like a cold sore (though I&#...
Dr. Wu Yuxin Reply:
The dosage of medication is determined based on the disease itself and the patient's weight; you should consult your attending physician for guidance.[Read More] Understanding Lip Sores: Medication Guidance for Effective Treatment
Over-the-Counter Treatments for Seborrheic Dermatitis: What You Need to Know
Over-the-counter medications In the past few months, I have seen a dermatologist three times who diagnosed me with seborrheic dermatitis. I forgot the names of the medications prescribed during the first two visits, but I remember they were controlled substances. The third prescr...
Dr. Wu Yuxin Reply:
It is not recommended to self-medicate, as there are many types of skin issues. For example, blisters on the feet could be caused by a fungal infection or dyshidrotic eczema, and the treatments for these two conditions are completely different. Using the wrong medication could po...[Read More] Over-the-Counter Treatments for Seborrheic Dermatitis: What You Need to Know
Understanding Toe Dermatitis: Causes, Symptoms, and Treatment Options
Calluses on the toes Hello, my toes have been repeatedly developing something, and I couldn't find matching symptoms online, so I'm here to ask. The symptoms include itching in the toe joints that gets worse with scratching, and after a while, black, hard skin develops ...
Dr. Li Yufen Reply:
Hello: Based solely on the textual description, it is not possible to accurately diagnose a skin condition. Chronic dyshidrotic eczema initially presents with small blisters and itching. After the blisters dry up, there may be peeling or hardening of the skin. If the skin conditi...[Read More] Understanding Toe Dermatitis: Causes, Symptoms, and Treatment Options
Persistent Lip Itching: Causes, Treatments, and Relief Strategies
Itchy lips? In mid-July, I developed a cold sore on my lips and applied an antiviral ointment, which helped it heal, but then new sores appeared. This cycle continued for a while. Later, I consulted a doctor and took oral medication for the herpes virus, but my lips have been per...
Dr. Wu Yuxin Reply:
No lesions were observed, and it is not possible to determine the issue. If it is causing significant distress, please seek medical attention promptly.[Read More] Persistent Lip Itching: Causes, Treatments, and Relief Strategies
Persistent Lip Itching: Causes, Treatments, and Relief Strategies
Itchy lips? In mid-July, I developed a cold sore on my lips and applied an antiviral ointment, which helped it heal, but then new sores appeared. This cycle of outbreaks continued for a while. Later, I consulted a doctor and took oral medication for the herpes virus. However, I h...
Dr. Wu Yuxin Reply:
No lesions were observed, and it is not possible to determine the issue. If this is causing significant distress, please seek medical attention promptly.[Read More] Persistent Lip Itching: Causes, Treatments, and Relief Strategies
Does Laser Tattoo Removal of Red Ink Damage Blood Vessels?
Does laser removal of red tattoos damage blood vessels? I underwent laser treatment for a red tattoo, but the blisters from the red ink are larger than those from black ink, and there is also some subcutaneous edema. Although I am fine a week later, I found online that the 532 nm...
Dr. Wu Yuxin Reply:
Yes, but they are mostly microvessels, so there may be subcutaneous bleeding after the injection, which is harmless to health and will heal on its own.[Read More] Does Laser Tattoo Removal of Red Ink Damage Blood Vessels?
When to Schedule Your Second Cryotherapy Appointment: A Guide
When is the approximate time for the second follow-up visit after cryotherapy? Doctor, I had my first cryotherapy treatment on Tuesday, and I have developed blisters on my palms. The more severe area has a large blood blister. Should I return for my second follow-up appointment i...
Dr. Li Yufen Reply:
Hello: If the blister is large and causing discomfort, you can return for an earlier appointment to have it drained. If there is no discomfort, you can wait until the blister subsides and the dead skin falls off before returning for a follow-up. Thank you![Read More] When to Schedule Your Second Cryotherapy Appointment: A Guide
Understanding Frostbite: When to See a Dermatologist for Finger Injuries
Frostbite from touching a frozen pipe in the freezer? I touched a cold ice pipe (similar to a warming rod) in the freezer at 7-Eleven, and my little finger immediately felt frostbite-like. It's been 5 to 6 days, and my finger still feels numb. There is some discomfort, but t...
Dr. Wu Yuxin Reply:
Frostbite, see a dermatologist.[Read More] Understanding Frostbite: When to See a Dermatologist for Finger Injuries
Understanding Dark Spots Under Fingertip Skin: Causes and Concerns
Grayish lumps in the skin at the fingertips? Hello doctor, about a month ago I noticed a small dark spot on the tip of my right middle finger that is a brownish-gray color. It seems to be located deeper in the skin, is not raised, and does not hurt. I didn't pay much attenti...
Dr. Wu Yuxin Reply:
Without actually seeing the lesion, it is impossible to determine. If it is very concerning, please seek medical attention as soon as possible.[Read More] Understanding Dark Spots Under Fingertip Skin: Causes and Concerns
Understanding Postherpetic Neuralgia After Shingles: Symptoms and Concerns
Questions about shingles? Hello, doctor. A while ago, around mid-May, I developed shingles on my chest and back. I took medication for a week, and the skin symptoms improved; the blisters have crusted over. However, the aftereffects are quite severe. Initially, I experienced pain...
Dr. Wu Yuxin Reply:
It is best to consult a dermatologist to check the distance of the affected area from your face.[Read More] Understanding Postherpetic Neuralgia After Shingles: Symptoms and Concerns
Understanding Lip Swelling: Causes and Concerns for Dermatology Patients
A small portion of the lip feels swollen? I have been feeling that my lower lip is swollen for several days now, but only a small area. I have had cold sores many times before, so I was wondering if another one is about to appear. However, it has been many days and I haven't...
Dr. Wu Yuxin Reply:
It could also be an early stage of herpes, but it may have been suppressed after the body's immune response improved. However, without seeing the lesions, it is impossible to determine the exact issue.[Read More] Understanding Lip Swelling: Causes and Concerns for Dermatology Patients
Understanding Folliculitis: Causes and Treatments for Red, Swollen Hair Follicles
Follicular erythema Hello Doctor: I have been using a razor to shave my leg hair due to excessive hair growth. Previously, I only experienced hair trapped under the skin, but recently the hair follicles on my legs suddenly became red and swollen, and then blisters formed. Eventua...
Dr. Wu Yuxin Reply:
If there is a hair trapped under the skin, it could be a case of pseudofolliculitis or simply a common folliculitis.[Read More] Understanding Folliculitis: Causes and Treatments for Red, Swollen Hair Follicles
Understanding Red Itchy Blisters: Causes, Healing, and Care Tips
Red itchy blisters Hello, doctor. I have a third-degree burn on the dorsum of my foot, and I have been changing the dressing for over a month. However, two days ago, the area around the wound suddenly became extremely itchy, red, and developed a blister-like appearance. I consult...
Dr. Wu Yuxin Reply:
The most important aspect of diagnosing skin diseases is to observe the lesions; otherwise, it is difficult to confirm the diagnosis. It is recommended that you seek medical attention as soon as possible to avoid any delays.[Read More] Understanding Red Itchy Blisters: Causes, Healing, and Care Tips
Post-Treatment Care for Viral Warts: Managing Wound Healing and Symptoms
Post-treatment management of viral warts? Hello, Doctor. I have had several viral warts in the past, which I have treated with cryotherapy. However, after my recent treatment, my doctor advised me to use a wart removal solution as an adjunct therapy. I understand that the main in...
Dr. Wu Yuxin Reply:
Without actually seeing the lesion, it is impossible to determine the issue. You should consult your attending physician, as they are the most familiar with your condition.[Read More] Post-Treatment Care for Viral Warts: Managing Wound Healing and Symptoms