Dermatology Q&A - Page 45

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How to Restore Skin Tone After Using an Expired Whitening Mask

After using an expired whitening mask for three years and experiencing darkening of the skin, how can I restore my complexion? After using an expired whitening mask that was three years past its expiration date, the areas where the mask was applied have noticeably darkened, resem...


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 course of action.

[Read More] How to Restore Skin Tone After Using an Expired Whitening Mask


Should I Get a Skin Biopsy for My Enlarged Mole?

A mole has enlarged? I noticed that a mole seems to have enlarged after my shower; it is about 0.5 centimeters in diameter. I've been getting moles frequently, but this particular mole is a faint black, flat, and round. Should I have it biopsied? Previously, when I visited a...


Dr. Wu Yuxin Reply:
No lesions were observed, and it is not possible to determine the condition. If you are very concerned, please seek medical attention promptly.

[Read More] Should I Get a Skin Biopsy for My Enlarged Mole?


Can I Take African Horned Cucumber While on Oral A Acid?

Medication consultation I would like to ask if I can take African plum extract as a dietary supplement after being on oral isotretinoin for three months.


Dr. Wu Yuxin Reply:
I apologize, but I am not clear about the components and functions of African Horned Cucumber.

[Read More] Can I Take African Horned Cucumber While on Oral A Acid?


Can Trying a Pillow in a Store Increase Scabies Infection Risk?

Will this cause a scabies infection? Hello, doctor. Yesterday, I visited a maternity and baby supplies store, and the staff enthusiastically suggested that I try their moon pillow. They laid a mat on the floor and encouraged me to lie down and hug the moon pillow. I felt embarras...


Dr. Wu Yuxin Reply:
The chances are low, so there's no need to worry. Just go home and take a good shower.

[Read More] Can Trying a Pillow in a Store Increase Scabies Infection Risk?


Understanding Persistent Nasal Swelling After Skincare Use

Nasal issues? I apologize for the interruption, doctor. After using a pore-clearing skincare product on my nose, it became swollen. Prior to that, I frequently pinched my nose due to blowing my nose often, and I'm not sure if the swelling is related to skin trauma from pinch...


Dr. Wu Yuxin Reply:
Swelling can definitely be reduced, but you need to stop the current medication first.

[Read More] Understanding Persistent Nasal Swelling After Skincare Use


Does Silian Cream Cause Oily Skin and Acne Breakouts?

Does Silian cream cause oily skin? Previously, the doctor prescribed me a medication for acne, which I found very effective for treating pimples, but it was too small and I couldn't find it at the pharmacy. So, I bought Silian cream (to apply in the morning and evening), but...


Dr. Wu Yuxin Reply:
No, it should be related to the current climate.

[Read More] Does Silian Cream Cause Oily Skin and Acne Breakouts?


Understanding Hair Loss Related to Syphilis: Causes and Solutions

Syphilis-related hair loss issue? Hello Doctor, I was diagnosed with syphilis at the end of July and received penicillin treatment. At that time, I was already experiencing hair loss, but in the past few days, the hair loss has not only not improved but has actually worsened. (I ...


Dr. Wu Yuxin Reply:
1. It varies from person to person. 2. Hair growth solutions can be helpful, but there is still a possibility of experiencing some hair loss. 3. Yes, irregular lifestyle and high stress levels can contribute to this.

[Read More] Understanding Hair Loss Related to Syphilis: Causes and Solutions


Understanding Lip Surrounding Peeling and Pain: Causes and Solutions

Peeling and stinging around the lips? Doctor, I have mild peeling around my lips on both sides, so I tried applying moisturizer and petroleum jelly, but as soon as I apply them, I feel a stinging sensation, and the peeling hasn't improved at all. I really don't know wha...


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] Understanding Lip Surrounding Peeling and Pain: Causes and Solutions


Understanding Thickened and Peeling Heels: Causes and Treatments

Heel scaling and thickening (with attached link and images) Hello Doctor, I have been experiencing scaling and thickening of my heels for the past two to three years. Some doctors have suggested it might be keratotic athlete's foot, while others have mentioned eczema or dysh...


Dr. Wu Yuxin Reply:
Keratotic athlete's foot or dyshidrotic eczema is commonly seen in Taiwan due to the hot and humid climate, and they may occur concurrently. It is recommended to consult a dermatologist for appropriate medication tailored to the specific condition.

[Read More] Understanding Thickened and Peeling Heels: Causes and Treatments


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


Understanding the Use of Acid Creams for Acne Treatment: Expert Answers

Acid ointment Hello Doctor, I have some questions regarding acid-based ointments: (1) When I apply tretinoin on my neck to treat acne, my skin becomes very itchy. Should I stop using it to allow the redness and itching to improve, or should I continue using it consistently to t...


Dr. Wu Yuxin Reply:
1. If it itches, stop using it and discuss it with your doctor. 2. It can be applied to the entire face. 3. It can be applied continuously. 4. Apply lotion first, then apply the ointment. 5. It is not recommended for daytime use.

[Read More] Understanding the Use of Acid Creams for Acne Treatment: Expert Answers


Understanding Eczema-Induced Pigmentation Changes in the Areola

Nipple eczema with increased pigmentation? Hello Doctor: At the beginning of this year, I experienced itching on my right areola, which was later diagnosed as eczema by a dermatologist. I was prescribed medication to apply, but it has still resulted in hyperpigmentation. Recently...


Dr. Wu Yuxin Reply:
If eczema does not improve, it may spread. Without seeing the lesions, it is difficult to determine the exact issue. If it is very bothersome, please seek medical attention promptly.

[Read More] Understanding Eczema-Induced Pigmentation Changes in the Areola


Effective Treatments for Persistent Viral Warts: Beyond Cryotherapy

Treatment methods for viral warts? Hello Doctor, in mid-April this year, I had a growth on my hand that resembled a callus for a long time. I visited a clinic, and the doctor diagnosed it as a viral wart. After two sessions of cryotherapy, it fell off, and there were no small bla...


Dr. Wu Yuxin Reply:
Some immunostimulatory medications can be used to enhance the effects, but a prescription from a physician is required.

[Read More] Effective Treatments for Persistent Viral Warts: Beyond Cryotherapy


Can I Use AHA After Fraxel Laser Treatment? Expert Answers Inside

Can I apply tretinoin after undergoing fractional CO2 laser treatment? Hello, doctor. I have been using first-generation retinoids for over a year with satisfactory results, and I no longer experience redness or peeling. I paused the retinoids for five days before my fractional l...


Dr. Wu Yuxin Reply:
It is recommended to refrain from any stimulating activities for at least one week after the injection.

[Read More] Can I Use AHA After Fraxel Laser Treatment? Expert Answers Inside


Understanding and Treating Persistent Butt Acne: A Dermatologist's Guide

Pimples on the buttocks Hello doctor, I have had bumps on my buttocks for several years, which have gradually spread and turned purple. Initially, I thought it was due to prolonged sitting, puberty, and poor health, so I didn't seek medical attention. However, I have noticed...


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. Only after an examination can the problem be identified and addressed.

[Read More] Understanding and Treating Persistent Butt Acne: A Dermatologist's Guide


Should I Remove a Raised Mole Near My Temple: Laser or Surgery?

There is a raised mole approximately 0.5 mm in size near the temple? Hello Doctor, I would like to ask about a black raised mole near my forehead and temple, approximately 0.5 centimeters in size. It is quite prominent. Would you recommend removing it through excision or laser tr...


Dr. Wu Yuxin Reply:
For aesthetic considerations, laser treatment is recommended, but there may be residual effects. If there is concern about potential malignancy or a desire for complete eradication, surgical intervention is necessary.

[Read More] Should I Remove a Raised Mole Near My Temple: Laser or Surgery?


Understanding Moles on Toes: When to See a Dermatologist

Mole on the toe? Hello, doctor. Recently, I noticed a small black mole on my left foot's ring finger, measuring less than 0.2 centimeters. I've heard that moles on the hands and feet can be concerning, which has made me quite anxious. I would like your opinion on this. ...


Dr. Wu Yuxin Reply:
Both dermatology and plastic surgery are acceptable.

[Read More] Understanding Moles on Toes: When to See a Dermatologist


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


Understanding A Acid: Treatment for Warts and Anti-Aging Benefits

Questions related to Vitamin A acid? Hello, Doctor. I have three questions to ask: 1. I often develop small viral warts on my hands and frequently seek treatment from a dermatologist. Since they are small, they can usually be treated in one or two sessions, but new ones quickly...


Dr. Wu Yuxin Reply:
1. Most of it is not very helpful. 2. Proper handwashing is sufficient for prevention. I apologize, but I do not understand the third question.

[Read More] Understanding A Acid: Treatment for Warts and Anti-Aging Benefits


Understanding and Managing Scar Pain: Is It Normal?

Scar pain or scar tenderness? I had a scratch on my foot that later developed into a raised scar (approximately 0.3-0.4 cm in size). It has been several years, but occasionally I experience a slight tingling or pain (which does not affect my daily life). Is this normal? I have re...


Dr. Wu Yuxin Reply:
Yes, but it requires treatment from a dermatologist.

[Read More] Understanding and Managing Scar Pain: Is It Normal?




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