Understanding Shingles Symptoms: When to Seek Medical Help
Symptoms of suspected shingles? Hello, a week ago I started experiencing a continuous sharp pain that wraps around from my left chest to my left armpit and left back. It feels similar to shingles. I visited a neurologist, but since there are no rashes yet, the doctor couldn'...
Dr. Wu Yuxin Reply:
Currently, it still seems to fall under neurology, but if a rash appears, it is recommended to seek medical attention from a dermatologist immediately.[Read More] Understanding Shingles Symptoms: When to Seek Medical Help
Dealing with Embedded Hair in the Foot: Skin Care Insights and Concerns
Hair embedded in the sole of the foot? Hello, doctor. Yesterday, I discovered a hair embedded in the sole of my foot. When I tried to pull it out, a piece about 0.8 cm broke off and remains under the skin. No matter how much I squeeze, I can't get it out. I tried using a nee...
Dr. Li Yufen Reply:
Hello: Based solely on the textual description, it is not possible to accurately diagnose a skin condition. Since your wound hurts when you walk on it, it is uncertain whether there is still a foreign body embedded in the skin or if the wound is causing irritation and inflammatio...[Read More] Dealing with Embedded Hair in the Foot: Skin Care Insights and Concerns
Understanding Red Spots and Skin Cancer: What You Need to Know
Erythema & Skin Cancer Concerns Hello Doctor: I would like to inquire about an irregular light red patch on the inner side of my right arm, which is also mixed with some bright red spots (similar to being dotted with a very fine red pen). It does not itch or hurt, and I would...
Dr. Li Yufen Reply:
Hello: It is not possible to diagnose skin cancer based solely on photographs. It is recommended to consult a nearby dermatologist to determine if a skin biopsy is necessary. Thank you![Read More] Understanding Red Spots and Skin Cancer: What You Need to Know
Can Crushing Cefadroxil and Augmentin Affect Their Effectiveness?
Cefadroxil and Augmentin are prescribed for skin infections, but if the patient is unable to swallow the tablets, it is advisable to consult a healthcare professional before crushing them. Some medications can lose their effectiveness or cause side effects when altered. A healthc...
Dr. Li Yufen Reply:
Hello: If it is possible to take the medication according to the standard dosage, it is more likely to achieve the desired effect. However, if swallowing the medication is truly not feasible, but the skin infection is showing continuous improvement, it is acceptable to continue f...[Read More] Can Crushing Cefadroxil and Augmentin Affect Their Effectiveness?
Understanding Itchy Skin and Wrinkles: Possible Immune System Issues?
Itchy skin on the hands with the appearance of wrinkles? Hello Dr. Wu, I have developed skin itching on my wrist (to the point of breaking the skin), and about two days later, I noticed stretch mark-like lines appearing near my wrist. I visited a dermatologist who said that the i...
Dr. Wu Yuxin Reply:
You can make an appointment with the dermatology department at the hospital.[Read More] Understanding Itchy Skin and Wrinkles: Possible Immune System Issues?
Persistent Red Spot on Nose: Should You Be Concerned?
Issues related to wounds adjacent to the nasal bridge? Hello doctor, I have a question. A few years ago, I developed discomfort on the bridge of my nose on the right side due to wearing glasses, where the frame constantly rubbed against the skin, leaving it red. I can't reme...
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 Red Spot on Nose: Should You Be Concerned?
Understanding Unusual Growths on the Penis: A Dermatological Perspective
I would like to inquire about issues related to growths on the penis? Hello doctor, I developed a somewhat white, raised, round bump on the right side of the coronal sulcus of my penis around the end of last year. It is somewhat hard, and pressing it causes a slight pain. Since I...
Dr. Wu Yuxin Reply:
Urologists can assist with biopsy examinations, and pathological testing is the most accurate.[Read More] Understanding Unusual Growths on the Penis: A Dermatological Perspective
Understanding Skin Peeling After Underarm Itching Treatment
Peeling skin after treatment for underarm itching? Hello Dr. Wu: A few days ago, I visited a doctor due to a hemangioma and also mentioned that I have acne on my back and itching under my arms. The doctor diagnosed me with seborrheic folliculitis and prescribed "Lomefloxacin...
Dr. Wu Yuxin Reply:
The medical regulations state that "a physician may not administer treatment or prescribe medication without personally examining the patient," and therefore, online diagnosis is also not permissible. Please seek medical attention in person. Subsequent questions will be...[Read More] Understanding Skin Peeling After Underarm Itching Treatment
Understanding Melanocytes: Do They Exist Everywhere on Our Skin?
Confusing questions? Hello, doctor. Do melanocytes exist throughout the body? An online article mentioned that the palms and soles do not have melanocytes, which is why moles do not form there. However, I have observed many people with moles on their palms and soles, as well as n...
Dr. Li Yufen Reply:
Hello: The skin on the palms and soles also contains melanocytes. In individuals of Asian descent, malignant melanoma is more likely to occur on the hands and feet. To prevent the development of moles or spots, supplementing with vitamin C for its antioxidant properties may provi...[Read More] Understanding Melanocytes: Do They Exist Everywhere on Our Skin?
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
Itchy and Red Bumps in the Pubic Area: Causes and Solutions
Itching and redness in the pubic area? Hello, doctor! Since yesterday afternoon, I've been experiencing itching in the pubic area, but after taking a shower in the evening, the itching stopped. The next morning, I noticed that the pubic area appeared as shown in the linked i...
Dr. Li Yufen Reply:
Hello: Based on the photo, it is possible that the condition is tinea cruris caused by a fungal skin infection. However, due to the low resolution of the online photo, I recommend consulting a nearby dermatologist for diagnosis and treatment. Thank you![Read More] Itchy and Red Bumps in the Pubic Area: Causes and Solutions
Managing Excessive Foot Skin Shedding in Seniors: Tips and Solutions
Foot skin issues? Hello Doctor: I have a question on behalf of my grandfather (68 years old). He experiences excessive shedding of skin from his feet every day, leaving a lot of skin flakes on the bed. He does not rub his feet, yet the skin continues to fall off naturally. Every ...
Dr. Li Yufen Reply:
Hello: The two online photos only show the peeling skin on the feet, and do not provide information about the condition of the skin itself, making it difficult to determine the possible causes. If it is a peeling type of athlete's foot, treatment with antifungal ointment is ...[Read More] Managing Excessive Foot Skin Shedding in Seniors: Tips and Solutions
Red, Itchy Neck with Burning Sensation: Possible Skin Reaction?
Redness in the neck with a burning and stinging sensation? On Wednesday, I tested positive on a rapid test and started isolation, so I picked up my medication around noon on Thursday (the doctor prescribed general cough and cold medications, not antiviral drugs). In the evening, ...
Dr. Wu Yuxin Reply:
Without actually seeing the lesion, it is difficult to make a definitive diagnosis. If it is inconvenient to seek medical attention due to a confirmed diagnosis, a telemedicine consultation can be utilized.[Read More] Red, Itchy Neck with Burning Sensation: Possible Skin Reaction?
Understanding Drug Interactions: Oral A Acid and Anxiety Medications
Drug interactions Hello, I have reviewed most of the questions regarding oral isotretinoin on the forum, but there are still some things I'm unclear about. 1. I currently have oral isotretinoin 20mg, and my doctor suggested taking it every other day. However, I have recent...
Dr. Wu Yuxin Reply:
1. Please consult the pharmacy department regarding this issue. 2. In principle, it is possible, but it still requires a consultation with a physician.[Read More] Understanding Drug Interactions: Oral A Acid and Anxiety Medications
Can Steroid Injections Be Safely Administered on the Penis?
Can steroids be injected onto the foreskin of the penis? Hello doctor, after my circumcision, I developed scar tissue, and the doctor recommended steroid injections. I know that steroids can be injected into general skin, but I would like to ask if they can also be injected into ...
Dr. Wu Yuxin Reply:
Administer as needed, based on the clinical physician's judgment.[Read More] Can Steroid Injections Be Safely Administered on the Penis?
Using Topical A Acid: Timing and Best Practices for Skin Care
Third-generation topical retinoids? Hello, I usually finish showering around 8:30 PM. If I apply tretinoin (A acid) right after showering under the lights at home and then go to bed at 11 PM when the lights are off, is that acceptable? Do I have to apply it only right before bed?
Dr. Wu Yuxin Reply:
It's okay.[Read More] Using Topical A Acid: Timing and Best Practices for Skin Care
Using Tretinoin: Timing and Application Tips for Best Results
Inquiry about the usage of retinoic acid? After taking a shower at around 8:30 PM, can I skip all skincare products and apply tretinoin directly before going to bed at 11 PM? Will the two and a half hours in between affect its effectiveness?
Dr. Wu Yuxin Reply:
If there is no irritation or discomfort, then it is not a concern.[Read More] Using Tretinoin: Timing and Application Tips for Best Results
Understanding Persistent Red Bumps on the Skin: Causes and Next Steps
Localized raised rash Two weeks ago, multiple small red spots, about the size of a coin, appeared on my left arm. There are no wounds, and they feel like bumps; they are neither painful nor itchy, but there has been no sign of improvement. I have applied lotion, Neosporin, and st...
Dr. Wu Yuxin Reply:
No lesions were observed, making it difficult to determine the issue. It is also unclear whether to continue monitoring or to address the situation immediately. If you are very concerned, please seek medical attention promptly.[Read More] Understanding Persistent Red Bumps on the Skin: Causes and Next Steps
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
Effective Treatments for Long-Standing Skin Pigmentation Issues
Pigmentation deposition Hello, doctor. After researching, I couldn't find a similar question, so I would like to consult you. About ten years ago, I sustained a significant bruise (only soft tissue injury) that resulted in a noticeable hyperpigmentation in the center of my t...
Dr. Wu Yuxin Reply:
Without actually seeing the lesion, it is impossible to determine the issue. If it is very concerning, please seek medical attention as soon as possible. A proper examination is necessary to understand the problem and to determine the appropriate treatment.[Read More] Effective Treatments for Long-Standing Skin Pigmentation Issues