Long-Term Use of A Acid and Clindamycin Gel for Acne: Safety and Alternatives
Regarding A acid and acne? Hello, doctor: I would like to ask if it is safe to use A acid and Clindamycin Gel for a long time? Could it have adverse effects on the body? Is there any possibility of it causing cancer? I have been using A acid for about 2 to 3 years, but intermitte...
Dr. Huang Ruiyun reply Dermatology
Hello: 1. Yes. 2. No. 3. None. Blackheads and whiteheads on the nose are actually a normal phenomenon in adults, but nowadays, people often take off their glasses and examine them up close, magnifying the issue. In reality, no one looks at others this way at a normal social dista...[Read More] Long-Term Use of A Acid and Clindamycin Gel for Acne: Safety and Alternatives
Understanding Small Hard Bumps on Skin: Causes and Concerns
Small hard lumps on the body that resemble mosquito bites? Hello, doctor. I have a few lumps on my chest that feel like mosquito bites, and there is also a hard lump below my navel that doesn't hurt when pressed and moves with the skin. This condition has persisted for sever...
Dr. Huang Ruiyun reply Dermatology
Hello: One of the agreements that consulting physicians on this website must follow is that consultations are limited to medical inquiries only; no diagnoses or prescriptions will be provided. If a consultation is needed, patients are advised to visit a hospital. Therefore, for a...[Read More] Understanding Small Hard Bumps on Skin: Causes and Concerns
Understanding Red Patches Under the Armpit: Is It Normal?
I have had a red patch of skin in my armpit for a long time? There are several red patches distributed under my left armpit that are not painful or itchy. I initially thought they were birthmarks or tinea versicolor, but they don't look like either, and there are no raised b...
Dr. Huang Ruiyun reply Dermatology
Hello: One of the agreements that consulting physicians on this website must follow is that consultations are limited to medical inquiries only; no diagnoses or prescriptions will be provided. If a patient requires an examination, it is recommended to visit a hospital. Therefore,...[Read More] Understanding Red Patches Under the Armpit: Is It Normal?
Understanding Ruby Laser Treatments: Costs, Recovery, and Locations in Taiwan
Ruby laser 1. Where can I find ruby laser treatments in Pingtung or Kaohsiung? 2. How is the pricing structured for ruby laser treatments currently? 3. What is the recovery time? 4. How can I distinguish a genuine ruby laser machine? Thank you!
Dr. Huang Ruiyun reply Dermatology
Hello: You can visit the Medical Aesthetics Center at Kaohsiung Chang Gung Memorial Hospital. As for the price, I cannot provide that information, so please inquire directly. Theoretically, it should be more expensive than the Nd:YAG laser. The scabbing period is approximately on...[Read More] Understanding Ruby Laser Treatments: Costs, Recovery, and Locations in Taiwan
Effective Treatments for Granuloma Annulare: Expert Insights and Options
Granuloma annulare Hello, Doctor: I would like to ask if there are currently more effective treatments for granuloma annulare. I have been suffering from this condition for about 10 years, with periods of improvement and worsening, but it has become increasingly severe over the p...
Dr. Huang Ruiyun reply Dermatology
Hello: The Dermatology Department at Cheng Kung University Hospital also has many specialized physicians, so you don't need to look far. Wishing you success.[Read More] Effective Treatments for Granuloma Annulare: Expert Insights and Options
Understanding Itchy Thighs After Exercise: Causes and Solutions
Skin issues Hello: I do not have a regular exercise routine, but whenever I run or walk for an extended period, my thighs become very itchy, and the more I scratch, the itchier it gets, to the point where my skin turns red. However, once I stop, the itching sensation gradually di...
Dr. Huang Ruiyun reply Dermatology
Hello: It is not permissible to diagnose a disease without seeing the patient in person, as per legal regulations. I suggest you try wearing cotton, square-cut, thigh-hugging underwear to prevent chafing of the skin on the inner thighs while running or walking. If this does not i...[Read More] Understanding Itchy Thighs After Exercise: Causes and Solutions
Is Corticosteroid Cream Safe for Infants Under Three Months?
Is Kertin suitable for infants under three months old? Is Keting cream suitable for treating infants with hemangiomas? Is it appropriate to apply this cream on a two-month-old baby, considering the warning that it is not suitable for infants under three months?
Dr. Huang Ruiyun reply Dermatology
Hello: Please recall whether the doctor advised you that treatment was not necessary and that observation would suffice. This is because a certain type of infantile hemangioma will naturally regress as it grows, and prior to regression, it is important to avoid injury and infecti...[Read More] Is Corticosteroid Cream Safe for Infants Under Three Months?
Understanding Atypical Moles: Causes, Concerns, and What to Expect
Atypical mole I have been experiencing discomfort in my upper left abdomen for quite some time, and I discovered a mole approximately 0.6 mm in size in that uncomfortable area. I also recently found a symmetrical mole on the opposite side of my upper left abdomen (on my back). Th...
Dr. Huang Ruiyun reply Dermatology
Hello: Atypical moles are a pathological diagnosis, meaning that a pathologist examines the removed specimen under a microscope and finds that it differs from a typical mole, but it is not considered malignant. The best management for this type of mole is excision, as it cannot b...[Read More] Understanding Atypical Moles: Causes, Concerns, and What to Expect
How to Treat Swelling and Pain from Bleach Contact on Wounded Skin
The hand has a wound that came into contact with bleach and is swollen? If you have a wound on your hand that has come into contact with bleach and is now swollen, red, and painful, you should take the following steps: 1. **Rinse the Area**: Immediately rinse the affected area w...
Dr. Huang Ruiyun reply Dermatology
Hello: You can apply clean petroleum jelly or antibiotic ointment (if available) to the wound, but do not use iodine. If necessary, you can cover it with a band-aid or gauze. The wound should not come into contact with water, except when rinsing with saline during dressing change...[Read More] How to Treat Swelling and Pain from Bleach Contact on Wounded Skin
Understanding HPV Infections: Insights on Anorectal and Perineal Areas
excuse me? Last Wednesday, I discovered an HPV infection near the anus and perineum, but I haven't had sexual intercourse for over a year and have not shared a bathroom with anyone.
Dr. Huang Ruiyun reply Dermatology
Hello: The HPV virus can remain dormant for a long time, so it may have originated a long time ago.[Read More] Understanding HPV Infections: Insights on Anorectal and Perineal Areas
Furuncle or Cyst: Understanding Skin Conditions and Treatment Options
Is it folliculitis or a cyst? I would like to consult a doctor. About a month or two ago, I developed a small bump near my genital area that resembled an acne lesion. It wasn't painful and was quite small, similar to a previous occurrence on the other side that eventually re...
Dr. Huang Ruiyun reply Dermatology
Hello: If the lesion is so small that it cannot be felt, it is no longer important whether it is folliculitis or a cyst, and surgery is not necessary. Wishing you peace.[Read More] Furuncle or Cyst: Understanding Skin Conditions and Treatment Options
Understanding Bedsores: Causes, Treatments, and Skin Care Tips
Mustard gas issues My father-in-law, who has been bedridden for a long time, has been experiencing issues with pressure ulcers. He has been applying medicated ointment and taking sulfur baths. Recently, the red rash has turned black, and we are unsure what this means. Could this ...
Dr. Huang Ruiyun reply Dermatology
Hello: The red rash turning black indicates that the scabies mites have died, signifying successful treatment, leaving behind dark marks. The main concern with long-term use of scabicide medications is the excessive irritation of the skin leading to dermatitis, so long-term use i...[Read More] Understanding Bedsores: Causes, Treatments, and Skin Care Tips
Post-Surgery Hematoma: Recovery Insights After Cyst Removal on Buttocks
Hematoma after subcutaneous cyst excision surgery? Hello Doctor, I underwent a subcutaneous cyst excision surgery on my buttock on March 4th (with an incision of about 4 cm). During my suture removal on March 15th, a subcutaneous hematoma was discovered. After the doctor aspirate...
Dr. Huang Ruiyun reply Dermatology
Hello: This is a situation that is difficult to assess online. It is recommended that you return to the original surgeon for a direct examination and physical assessment. Most lumps will gradually absorb and diminish, but individual circumstances can vary. Wishing you safety.[Read More] Post-Surgery Hematoma: Recovery Insights After Cyst Removal on Buttocks
Understanding Facial Warmth: Causes and Concerns for Hyperthyroid Patients
Face feels warm? Hello, doctor. I have hyperthyroidism. Since the Lunar New Year, I have been feeling a persistent warmth in my face. During the New Year, I had a slight cold, and my axillary temperature ranged from 37.2 to 37.5 degrees Celsius. I visited a small clinic and told ...
Dr. Huang Ruiyun reply Dermatology
It is generally caused by fever or vasodilation and may be temporary. If you experience discomfort, please consult an internal medicine physician (the doctor who originally evaluated your thyroid antibodies is also an option).[Read More] Understanding Facial Warmth: Causes and Concerns for Hyperthyroid Patients
Effective Treatments for Pubic Lice: Is Xijie Ointment a Good Option?
Medications for treating pubic lice? Is the [Jingde Pharmaceutical - Xijie Ointment] effective for treating pubic lice? Where can I purchase it? Thank you.
Dr. Huang Ruiyun reply Dermatology
Hello: Scabies. I'm not sure where to buy it. It's better to shave the pubic hair for effective treatment, and sexual partners should also be treated. Wishing you safety.[Read More] Effective Treatments for Pubic Lice: Is Xijie Ointment a Good Option?
Understanding Urticaria: When and How to Get a Skin Biopsy
Please provide the content you would like me to translate into English? Hello: I have urticaria, but I'm not sure which type it is. During my military service physical examination, it was mentioned that those with solar urticaria can go to the hospital for testing (which req...
Dr. Huang Ruiyun reply Dermatology
Urticaria itself does not affect the determination of disability status, with the exception of solar urticaria. Solar urticaria is very rare among urticaria patients, and those affected are usually aware that sun exposure can trigger their symptoms, even leading to fainting, so t...[Read More] Understanding Urticaria: When and How to Get a Skin Biopsy
How to Test for Solar Urticaria in Chronic Hives Patients
Solar urticaria I have chronic urticaria, but I'm not sure which type it is. How can I test to see if it is solar urticaria?
Dr. Huang Ruiyun reply Dermatology
Solar urticaria is characterized by the development of wheals on sun-exposed areas of the skin, which typically resolve within an hour. There is generally no need for specific testing.[Read More] How to Test for Solar Urticaria in Chronic Hives Patients
Understanding Itchy Bumps on Feet: Causes and Solutions
One by one? Doctor, I have recently been applying medication to my foot for about a week, and now I've developed small, itchy bumps on the sole of my foot and near my ankle. They resemble blisters but are not exactly the same. What should I do about this, and what could be c...
Dr. Huang Ruiyun reply Dermatology
Hello: One of the agreements that consulting physicians on this website must follow is that consultations are limited to medical inquiries only; no diagnoses or prescriptions will be provided. If a consultation is needed, patients are advised to visit a hospital. Therefore, for a...[Read More] Understanding Itchy Bumps on Feet: Causes and Solutions
Severe Skin Peeling in Elderly: Causes and Care Tips
Severe skin peeling? My grandfather is 95 years old and has been bedridden due to illness. I'm not sure if it's because he has been wearing wool socks and using a heating pad during the winter, but recently I've noticed that the skin on his feet is severely peeling...
Dr. Huang Ruiyun reply Dermatology
Hello: Try applying Vaseline first. If there is no improvement, you will need to see a doctor in person to find out. Wishing you all the best.[Read More] Severe Skin Peeling in Elderly: Causes and Care Tips
Understanding Skin Peeling and Discoloration in the Groin Area
Peeling skin in the groin area along with some other issues? The area under the groin is peeling and has a whitish-grayish-black appearance. It feels a bit rough to the touch but is neither painful nor itchy. What could this be? I have taken a picture of it.
Dr. Huang Ruiyun reply Dermatology
Hello: One of the agreements that consulting physicians on this website must follow is that consultations are limited to medical inquiries only, without making diagnoses or prescribing medications. If a consultation is needed, patients are advised to visit a hospital. Therefore, ...[Read More] Understanding Skin Peeling and Discoloration in the Groin Area