Dermatology Q&A - Page 12

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Can You Get Tattoos with Psoriasis? Expert Insights and Advice

Tattoo Issues in Psoriasis Hello, doctor. I have been getting tattoos for many years. About six months ago, I suddenly noticed one or two red spots on my elbow, but I didn't pay much attention to them, and they seemed to have improved. A few days ago, I noticed a few more sp...


Dr. Wu Yuxin Reply:
Injured areas are indeed prone to the development of new psoriatic lesions, and should be avoided.

[Read More] Can You Get Tattoos with Psoriasis? Expert Insights and Advice


Persistent Dry Skin and Itching: When to Seek Further Medical Advice

Skin itching and flaking? Last July, I visited a doctor due to skin itching, and I was diagnosed with dry skin itchiness, which I had never experienced before. The doctor mentioned it was due to a change in my constitution. I took medication and applied topical treatments, which ...


Dr. Li Yufen Reply:
Hello: Based solely on the textual description, it is not possible to accurately diagnose skin diseases. In winter, the cold and dry climate can lead to dry, itchy, and flaky skin. It is recommended to enhance skin hydration by applying moisturizing lotion or cream to the face an...

[Read More] Persistent Dry Skin and Itching: When to Seek Further Medical Advice


Understanding HPV Testing and Latency Period in Dermatology

Cauliflower examination issues and incubation period? Doctor, I would like to ask, over seven months ago, I had unprotected oral sex. Five months after this sexual encounter, I underwent an HPV test, which involved scraping DNA from the penis, and the report was negative. If ther...


Dr. Wu Yuxin Reply:
The incubation period is approximately 2 to 8 months. If there are no lesions, testing may not detect the virus; therefore, clinical symptoms and the presence or absence of lesions are the primary considerations.

[Read More] Understanding HPV Testing and Latency Period in Dermatology


Preventive Measures for Newly Formed Sebaceous Cysts: What You Can Do

If a sebaceous cyst has just appeared and is small like a comedo and not inflamed, what preventive measures can be taken to remove the sac and prevent it from growing larger? Hello Doctor, I have discovered two black, open comedones on my back that may have just formed. They are ...


Dr. Li Yufen Reply:
Hello: It is recommended to consult a nearby dermatologist to see if a small incision can be made locally to completely remove the cyst sac of the epidermoid cyst (sebaceous cyst). Thank you!

[Read More] Preventive Measures for Newly Formed Sebaceous Cysts: What You Can Do


Understanding Wound Healing: What to Do When Your Skin Turns White

Doctor, may I ask about wound healing issues? Two weeks ago, I had a skin abrasion that formed a scab for a while. Due to taking baths, the scab came off. Now, whenever the wound comes into contact with water, it turns white. I researched online and found that this is related to ...


Dr. Wu Yuxin Reply:
There is no need to remove it specifically; it can fall off on its own.

[Read More] Understanding Wound Healing: What to Do When Your Skin Turns White


Understanding the Risks of Moles on the Soles: A Dermatologist's Insight

Questions about the location of moles on the soles of the feet? Dear Dr. Wu, I have two black moles on the sole of my right foot. In January 2023, I visited a dermatologist who examined them with a dermatoscope and deemed them benign. Regarding the locations of the moles on my f...


Dr. Wu Yuxin Reply:
There is no specific statistic regarding the likelihood of malignancy for moles located on the soles of the feet. All moles should be monitored over time for any changes, and any abnormal characteristics should prompt a visit to a healthcare professional.

[Read More] Understanding the Risks of Moles on the Soles: A Dermatologist's Insight


Understanding Mole Changes: When to Worry About Skin Irregularities

Changes in moles Hello, Dr. Wu! I often touch a mole on my face that is about 0.3 cm in size. It has a slightly irregular shape, and recently it has been itchy, painful, and flaky, but it hasn't grown larger. I read online that touching a mole might cause it to become inflam...


Dr. Wu Yuxin Reply:
Without seeing the actual lesion, it is impossible to determine if there is inflammation. If you are concerned, please consult a nearby dermatologist for evaluation and treatment.

[Read More] Understanding Mole Changes: When to Worry About Skin Irregularities


Managing a Boil: When to Seek Medical Attention for Skin Wounds

Nail puncture wound Hello, Doctor: I have developed a boil, but its location is a bit embarrassing, so I haven't seen a doctor! Since it doesn't hurt much unless I touch it, I have been taking care of it myself. It grew to the size of an egg, and when it became soft in ...


Dr. Wu Yuxin Reply:
If you are coming here to ask, it indicates that you have concerns. Since you are worried, why not seek medical attention as soon as possible? You should make your own decision.

[Read More] Managing a Boil: When to Seek Medical Attention for Skin Wounds


Understanding Pubic Lice: Treatment Options and Effectiveness of Scabicides

Pubic lice issue Hello, I may have contracted pubic lice from using a gym towel, as I noticed the bugs and their eggs. I visited the hospital and saw a doctor twice, applying two tubes of 5% permethrin. After a week, I still feel that the condition hasn't fully resolved. I w...


Dr. Wu Yuxin Reply:
It is effective; please cooperate well with your physician.

[Read More] Understanding Pubic Lice: Treatment Options and Effectiveness of Scabicides


Unexplained Redness and Swelling: Skin Issues Explained

Unexplained swelling and redness of the body? Hello, doctor. Last week, I developed a red bump on my finger that itches and hurts when scratched, resembling a mosquito bite, but the surface feels hard. After a week, the redness and swelling are still present, and it continues to ...


Dr. Wu Yuxin Reply:
Dermatological diagnoses require visual examination of the lesions or a detailed medical history, and cannot be adequately addressed through online consultations. It is recommended that you seek a nearby dermatologist for evaluation and treatment.

[Read More] Unexplained Redness and Swelling: Skin Issues Explained


Understanding Reactions to Scabies Treatment: Common Concerns and Questions

Reactions to scabies treatment? Hello, doctor. Due to a scabies infection, I started using Benzyl Benzoate 20% lotion, and by the third day, new rashes began to appear. Is this normal? After using it for five days, due to the emergence of new rashes and itching, I consulted anoth...


Dr. Li Yufen Reply:
Hello: Regarding scabies, you can refer to a series of articles on the Dermatology Expert Health Network at https://www.drskincare.tw/Qa/Index.aspx?CID=151. 1. Is it true that ointments are more effective than lotions? If the climate in your area is relatively dry and cold, oin...

[Read More] Understanding Reactions to Scabies Treatment: Common Concerns and Questions


Winter Skin Issues: Pain and Discoloration After Hot Showers

Skin issues Hello, doctor! I would like to ask about a situation where, during winter or in colder weather, when I get home from work and take a shower, if hot water touches my feet, it causes pain, and the affected area turns a dark purple color, which looks like poor blood circ...


Dr. Li Yufen Reply:
Hello: Based solely on the textual description, it is not possible to accurately diagnose a skin disease. During the winter, cold weather can lead to poor blood circulation. It is recommended to consult a nearby cardiovascular surgeon or a rheumatologist for further examination a...

[Read More] Winter Skin Issues: Pain and Discoloration After Hot Showers


Managing Eczema: Coping with Persistent Itching and Skin Care Tips

Atopic dermatitis causes dry, itchy skin, leading to an uncontrollable urge to scratch? Hello, Dr. Li. I had atopic dermatitis as a child, and I experienced runny nose during seasonal changes, but it improved as I grew up. As an adult, I had eczema once about three to four years ...


Dr. Li Yufen Reply:
Hello: Regarding atopic dermatitis, you can refer to a series of articles on the Dermatology Expert Health Network at https://www.drskincare.tw/Qa/index.aspx?CID=2&pg=1. The skin is really itchy; you can return to the clinic and ask the doctor to prescribe oral antihistamines...

[Read More] Managing Eczema: Coping with Persistent Itching and Skin Care Tips


Understanding Nail Changes: Is It Toenail Fungus or Something Else?

The area of the white patch is large? I currently have two toenails affected by onychomycosis and I am applying topical medication. Although the other parts of the nails do not show color changes, the area of the white part (the area at the edge of the nail has expanded while the...


Dr. Li Yufen Reply:
Hello: Based solely on the textual description, it is not possible to accurately diagnose skin diseases. For issues related to nails, you can refer to a series of articles on the Dermatology Expert Health Network at https://www.drskincare.tw/Qa/Index.aspx?CID=18&pg=1. If the ...

[Read More] Understanding Nail Changes: Is It Toenail Fungus or Something Else?


Can I Use Leli Nail Treatment with Doctor's Prescription for Toenail Fungus?

The use of Liraglutide? Hello doctor, my big toe has been diagnosed with onychomycosis. Before seeing the doctor, the nail turned black and fell off, and I self-trimmed it down to a third of the nail. I have purchased Lamisil and applied it to the entire nail, including the nail ...


Dr. Li Yufen Reply:
Hello: If the topical medication prescribed by the doctor also contains antifungal ingredients, then using Lamisil once a week is sufficient, and there is no need to use them simultaneously. If it contains other ingredients, it is recommended to discuss the medication with a derm...

[Read More] Can I Use Leli Nail Treatment with Doctor's Prescription for Toenail Fungus?


Understanding Lupus: Diagnosis and Treatment Insights for Skin Symptoms

Systemic lupus erythematosus (SLE) Hello, doctor. I have had a 1.5 cm red rash on my face for nearly three years. I have visited multiple dermatology clinics, and they all diagnosed it as eczema. The ointments prescribed did not make it disappear, but it is neither painful nor it...


Dr. Li Yufen Reply:
Hello: For a detailed introduction to systemic lupus erythematosus, you can refer to the educational article from Chi Mei Medical Center at https://www.chimei.org.tw/main/cmh_department/59012/info/7390/A7390105.html. If you have any doubts regarding the diagnosis, it is recommend...

[Read More] Understanding Lupus: Diagnosis and Treatment Insights for Skin Symptoms


Managing Post-Freezing Treatment for Plantar Warts: What to Do Next

Plantar warts? Hello, Doctor. Last week, I underwent cryotherapy for plantar warts at the clinic. For the first three days, I applied the ointment prescribed by the doctor, and for the following days, I applied the wart treatment solution on the lesion before bed. After taking a ...


Dr. Li Yufen Reply:
Hello: The photo link: https://im.ge/i/EHNCWX is not displaying the image properly. If the lesion becomes red and painful, it is recommended to discontinue the use of the wart treatment solution and continue using the wound ointment. Please schedule a follow-up appointment as soo...

[Read More] Managing Post-Freezing Treatment for Plantar Warts: What to Do Next


Managing Dyshidrotic Eczema: Thickened Skin and Safe Exfoliation Tips

Dyshidrotic eczema causes thickening of the skin on the feet? Recently, I visited a clinic and a large hospital due to itching on the side of my foot, and both diagnosed it as dyshidrotic eczema. The affected area has thicker skin, making it difficult for the medication to be abs...


Dr. Li Yufen Reply:
Hello: For a detailed introduction to dyshidrotic eczema, you can refer to the article by Med's Good Friend at https://www.medpartner.club/pompholyx-cause-care-treatment/. The cause of dyshidrotic eczema is not due to bacterial or fungal infections. It is acceptable to exfol...

[Read More] Managing Dyshidrotic Eczema: Thickened Skin and Safe Exfoliation Tips


Understanding Oral A-Retinoid Use: Acne Persistence After 6 Months

Oral isotretinoin taken for 6 months? Hello Doctor: I am currently taking oral isotretinoin, 10mg once daily, for the past 6 months. Occasionally, I still get 1-2 pimples. Is this considered normal? How long should I continue taking it until I no longer break out? Thank you, Doct...


Dr. Wu Yuxin Reply:
The causes of acne are complex, and oral retinoids are not a panacea. Genetic predisposition, dietary habits, lifestyle, and stress are all contributing factors to the development of acne. Patients taking oral retinoids often believe that simply taking the medication will prevent...

[Read More] Understanding Oral A-Retinoid Use: Acne Persistence After 6 Months


Managing Persistent Toe Wounds in Diabetic Patients: When to Seek Help

Toe wound issues? Hello, Doctor: I am a diabetes patient, and I have been troubled by a question lately: should I see a doctor? (I have been on long-term medication and regular check-ups.) My job requires me to be on my feet all day, so it's normal for me to develop blisters...


Dr. Wu Yuxin Reply:
Patients with diabetes who have wounds on their feet should seek medical attention promptly; please do not delay any longer.

[Read More] Managing Persistent Toe Wounds in Diabetic Patients: When to Seek Help




Dermatology FAQ

Acne Acne Scars
Aha Allergy
Alopecia Alpha Hydroxy Acids
Anal Itching Angular Cheilitis
Areola Armpit Hair
Athlete'S Foot Athlete'S Foot And Nail Fungus
Atopic Dermatitis Axillary Hyperhidrosis
Azelaic Acid Blackheads
Blisters Body Hair
Body Odor Boils
Bromhidrosis Bruising
Burns Cellulitis
Chalazion Chest
Chickenpox Condyloma
Corns Cracked Feet
Cracked Hands Cryotherapy
Dandruff Dark Circles
Dark Spots Dermabrasion
Disease Consultation Dry Skin
Dyshidrotic Eczema Eczema
Excessive Sweating Excessive Underarm Sweating
Eyebrows Eyelids
Face Washing Family Medicine
Fibroma Fingers
Flat Warts Flea Bites
Follicular Obstruction Folliculitis
Foot Foreskin
Freckles Frequent Facial Redness
Fungal Infection Genital Area
Genital Warts Glans Penis
Groin Itching Hair
Hair Dye Hair Growth Solution
Hair Loss Hand Eczema
Hands Headache
Hemangioma Herpes
Herpes Zoster Hives
Hiv Infection Hpv
Human Papillomavirus Hyperhidrosis
Hyperpigmentation Infantile Eczema
Infection Insect Bites
Intense Pulsed Light Ipl
Isotretinoin Itching Of The Glans
Itchy Areola Itchy Rash
Itchy Skin Jock Itch
Joints Keloid
Keratosis Pilaris Laser Surgery
Lice Lipoma
Lips Lump
Male Pattern Baldness Medical Consultation
Medication Medication Consultation
Medication Side Effects Melanin
Mole Mole Removal
Moles, Birthmarks Mouth Corner
Nail Fungus Nail Infection
Nails Nipples
Nodular Erythema Oily Face
Onychomycosis Oral Isotretinoin
Others Paronychia
Peeling Skin Penis
Pigmentation Pimples
Pityriasis Rosea Psoriasis
Pubic Lice Purpura
Rash Red Spots
Resurfacing Rosacea
Scabies Scalp
Scars Scleroderma
Scrotum Sebaceous Cyst
Seborrheic Dermatitis Sebum Production
Shingles Skin
Skincare Products Skin Itchiness
Skin Resurfacing Skin Whitening
Sle Spots
Steroid Side Effects Stretch Marks
Subcutaneous Cyst Sunscreen
Sunspots Surgical Care
Sweat Blisters Syphilis
Syringoma Systemic Lupus Erythematosus
Tattoo Tattoo Removal
Tinea Cruris Tinea Pedis
Tinea Versicolor Toes
Tongue Tumor
Urticaria Vaccination
Vaseline Viral Warts
Vitiligo Warts
Which Specialty To Consult White Patches
Winter Itch Wound Healing
Wrinkle