Dermatology Q&A - Page 7

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Can You Get Infected from Using Public Toilets? Expert Insights

Infection issues Hello, doctor. Today, while using a public restroom, the skin on my buttocks accidentally came into contact with the edge of a squat toilet. Although the contact was brief (less than a second) and I subsequently wiped with toilet paper, I am still a bit concerned...


Dr. Wu Yuxin Reply:
Human skin has a significant degree of immunity; unless the skin itself is damaged or there is a deficiency in the individual's immune system, there is generally no need for excessive concern.

[Read More] Can You Get Infected from Using Public Toilets? Expert Insights


Understanding Cryotherapy for Molluscum: What to Expect After Treatment

Cryotherapy for Molluscum Contagiosum Hello Dr. Lee, I would like to ask about the situation after cryotherapy. The day after the treatment, I noticed that the scabbed area turned black, but it is located between the two warts rather than directly on the wart itself. Is this norm...


Dr. Li Yufen Reply:
Hello: For a detailed introduction to viral warts, you can refer to the article on Care Online at https://www.careonline.com.tw/2017/08/warts.html. After cryotherapy with liquid nitrogen, viral warts may not necessarily show obvious scabbing. If the skin condition does not improv...

[Read More] Understanding Cryotherapy for Molluscum: What to Expect After Treatment


Can You Donate Blood After Using Topical Creams for Eczema?

Can I donate blood after applying topical ointment? If you have applied Si Yi cream for localized eczema on your foot, can you donate blood? Or how long should you wait after stopping the medication before donating? I'm unsure if the corticosteroid and antibiotic will affect...


Dr. Li Yufen Reply:
Hello: The Taiwan Blood Services Foundation has provided the following information regarding the deferral of blood donation due to medications: https://www.blood.org.tw/Internet/main/docDetail.aspx?uid=8000&pid=9&docid=45297. The topical application of Sihyi cream does no...

[Read More] Can You Donate Blood After Using Topical Creams for Eczema?


Understanding Soft Bumps Near the Anus: Possible Causes and Concerns

Anal issues Hello doctor, I would like to ask: Recently, while bathing, I noticed a soft lump under the skin on the right side of the anal area. It doesn't hurt, but there is slight tenderness when pressed. The color is similar to my skin tone but slightly whitish. I have ne...


Dr. Li Yufen Reply:
Hello: Based solely on the textual description, it is not possible to accurately diagnose a skin condition. If the skin condition does not improve or worsens, it is advisable to consult a dermatologist to confirm whether it is another skin disorder. Thank you!

[Read More] Understanding Soft Bumps Near the Anus: Possible Causes and Concerns


Effective Treatment for Athlete's Foot: Signs of Improvement and Care Tips

Treatment for athlete's foot? Hello doctor, I have been dealing with athlete's foot for a long time. I easily get blisters when wearing shoes, and the skin around my toenails often peels and becomes irritated. If I scratch it, it breaks. Recently, I started using an ant...


Dr. Li Yufen Reply:
Hello: For a detailed introduction to athlete's foot, you can refer to the article from Med's Good Friend at https://www.medpartner.club/tinea-pedis-treatment-prevention/. A reduction in the number of blisters and improvement in symptoms indicates that the ointment is e...

[Read More] Effective Treatment for Athlete's Foot: Signs of Improvement and Care Tips


Understanding Bumps on the Penis: Causes and Treatment Options

Frenulum problems of the glans? Hello, doctor. There is a bump next to the frenulum that looks like a pimple (yellow) and it hurts a little when I squeeze it hard. I went to the urology department on Friday for treatment of gonorrhea and asked the doctor to take a look at it. Aft...


Dr. Li Yufen Reply:
Hello: Based solely on the textual description, it is not possible to accurately diagnose a skin condition. If the skin condition does not improve or worsens, it is advisable to consult a nearby dermatologist for diagnosis and treatment. Thank you!

[Read More] Understanding Bumps on the Penis: Causes and Treatment Options


Nail Health Concerns: Healing and Growth Rate Explained

Nail-related issues consultation? Hello Dr. Lee, I have two questions regarding my nails: 1. Recently, I cut my toenails too short, causing a small amount of bleeding on one side. After a few days, I noticed that the blood has formed a scab. Will the scab gradually be absorbed an...


Dr. Li Yufen Reply:
Hello: 1. The scab or blood clot may gradually be absorbed and metabolized over time, or it may be pushed out as the toenail grows. 2. Yes, toenails grow more slowly than fingernails. Thank you!

[Read More] Nail Health Concerns: Healing and Growth Rate Explained


Understanding Seborrheic Dermatitis: Symptoms and Recurrence Risks

Seborrheic dermatitis Hello Doctor: I was previously diagnosed with seborrheic dermatitis, and after using medication and taking oral treatment, I recovered. Recently, I have been experiencing dryness and a burning sensation around my nostrils, with slight redness and itching on ...


Dr. Wu Yuxin Reply:
It is possible. Seborrheic dermatitis commonly presents with symptoms such as redness and flaking of the skin, but not all patients will exhibit these symptoms. To determine the exact issue, it is essential to have a dermatologist conduct a personal examination. It is recommended...

[Read More] Understanding Seborrheic Dermatitis: Symptoms and Recurrence Risks


Understanding Seborrheic Dermatitis: Symptoms and Recurrence Insights

Seborrheic dermatitis Hello Doctor: I was previously diagnosed with seborrheic dermatitis, and after using medication and taking oral treatment, I recovered. Recently, I have been experiencing dryness and a burning sensation around my nostrils, slight redness and itching on my ch...


Dr. Wu Yuxin Reply:
Seborrheic dermatitis commonly presents with symptoms such as redness and flaking of the skin, but not all individuals will experience these symptoms. To accurately determine the issue, it is essential to have a personal examination by a dermatologist. It is recommended to consul...

[Read More] Understanding Seborrheic Dermatitis: Symptoms and Recurrence Insights


Understanding Seborrheic Dermatitis: Symptoms and Recurrence Risks

Seborrheic dermatitis Hello Doctor: I was previously diagnosed with seborrheic dermatitis, and after using medication and taking oral treatments, I improved. Recently, I've been experiencing dryness and a burning sensation around my nostrils, with slight redness and itching ...


Dr. Wu Yuxin Reply:
It is possible. Seborrheic dermatitis commonly presents with symptoms such as redness and flaking of the skin, but not all individuals will experience these symptoms. To determine the exact issue, it is essential to have a personal examination by a dermatologist. It is recommende...

[Read More] Understanding Seborrheic Dermatitis: Symptoms and Recurrence Risks


Understanding and Caring for a Boil on the Buttocks: Expert Advice

There is a boil on the buttock? Hello, doctor. Yesterday, I developed a boil on my buttocks and went to the dermatologist for drainage. However, the doctor said it is not yet mature, so I should change the dressing myself and take antibiotics. 1. The doctor showed me how to chang...


Dr. Wu Yuxin Reply:
The symptoms of skin diseases, as well as the timing and selection of medication, require a consultation before recommendations can be made. If you have any questions, it is advisable to consult the physician who is treating you.

[Read More] Understanding and Caring for a Boil on the Buttocks: Expert Advice


Unusual Sensations Near a Mole: What You Need to Know

The area around the mole looks unusual? Hello Dr. Wu! Recently, I have a mole that is accompanied by a tingling sensation nearby. What could this condition be? Thank you!


Dr. Wu Yuxin Reply:
Any concerning symptoms should prompt a visit to a healthcare provider as soon as possible; only after identifying the underlying issue can a proper diagnosis be made.

[Read More] Unusual Sensations Near a Mole: What You Need to Know


Managing Seborrheic Dermatitis: Persistent Redness and Treatment Options

Seborrheic dermatitis Hello, doctor. I have seborrheic dermatitis and have been using a steroid ointment prescribed by my doctor. After finishing the medication, I no longer have itching or peeling issues. However, the area between my eyebrows and around my nostrils has been pers...


Dr. Wu Yuxin Reply:
Conditions such as telangiectasia, rosacea, and seborrheic dermatitis are all possibilities. To determine the exact issue, a personal examination by a dermatologist is necessary. It is recommended to consult a nearby dermatologist for an evaluation.

[Read More] Managing Seborrheic Dermatitis: Persistent Redness and Treatment Options


Understanding Nail Issues: When to See a Dermatologist for Care

Nail problems Hello Doctor: I usually have a habit of getting gel manicures, and recently when I removed the polish, I noticed that the tips of my nails seem to be slightly lifted (similar to an ingrown nail, but not as severe). I have a history of nail biting since childhood, so...


Dr. Wu Yuxin Reply:
First, consult a dermatologist for an examination to check for any abnormalities.

[Read More] Understanding Nail Issues: When to See a Dermatologist for Care


Effective Solutions for Teenage Blackheads: Tips for Clear Skin

Adolescent acne? Hello doctor, I am 16 years old and I have a lot of blackheads on my nose and chin. I usually use a metal extractor to squeeze them out, but new blackheads appear the next day. I have tried using blackhead removal masks, but they haven't been effective. What...


Dr. Wu Yuxin Reply:
You can seek treatment from a nearby dermatologist.

[Read More] Effective Solutions for Teenage Blackheads: Tips for Clear Skin


Understanding Itchy Heels: Causes and When to See a Doctor

Itchy heels? Hello doctor, recently I've been experiencing occasional itching in my left heel that feels similar to the itchiness of dyshidrotic eczema, but there is no broken skin, peeling, or blisters. What could be the issue? Could it be due to tight or non-breathable sho...


Dr. Wu Yuxin Reply:
Some issues require a professional evaluation, so it is recommended to consult a dermatologist for examination and treatment.

[Read More] Understanding Itchy Heels: Causes and When to See a Doctor


Understanding Drug Allergies: Testing, Symptoms, and Effectiveness

Drug allergy Where can drug allergies be tested? What are the symptoms of delayed allergic reactions? Is testing for drug allergies useful? Thank you.


Dr. Wu Yuxin Reply:
Professor Chung Wen-Hong's outpatient clinic at Linkou Chang Gung Memorial Hospital.

[Read More] Understanding Drug Allergies: Testing, Symptoms, and Effectiveness


Can You Safely Combine Finasteride and Latanoprost with Fish Oil?

Medication issues Hello Doctor: I have a problem with male pattern baldness. I visited a dermatologist who prescribed Finasteride and Minoxidil. I am also taking fish oil as a supplement. Will taking these two medications along with fish oil cause any issues, or will it not have ...


Dr. Wu Yuxin Reply:
You should consult your physician for any medication prescriptions.

[Read More] Can You Safely Combine Finasteride and Latanoprost with Fish Oil?


Effective Strategies for Removing Skin Parasites Without Damaging Dermis

Regarding the separation of the epidermis and dermis layers? Skin parasites? Hello Doctor, my forehead skin has been infested by parasites that are transparent. For years, their tentacles have been inserted into my forehead's nerves and blood vessels, causing inflammation, p...


Dr. Wu Yuxin Reply:
It is recommended that you seek medical attention as soon as possible.

[Read More] Effective Strategies for Removing Skin Parasites Without Damaging Dermis


Understanding Eyelid Bumps: Chalazion, Syringoma, or Flat Warts?

Inquiry Consultation Hello Dr. Wu: I have recently noticed a protrusion at the eyelash area of my right upper eyelid. Upon self-examination, I suspect it could be a chalazion, syringoma, or flat wart. I plan to seek medical confirmation soon. I would like to ask you the following...


Dr. Wu Yuxin Reply:
It's all a matter of probability; to confirm, it's essential to have a dermatologist evaluate it. If there are concerns, seek medical attention as soon as possible.

[Read More] Understanding Eyelid Bumps: Chalazion, Syringoma, or Flat Warts?




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