Scars, Dermatology FAQ - Page 2

The issue of indentations caused by acne injections? Hello, doctor. Two months ago, I received two acne injections in the same area, and I later noticed a significant indentation that is larger than the original acne. This has caused me a lot of concern. Although I found online t...

I would like to inquire about retinol? Due to the use of a new skincare product, I experienced a significant increase in acne, and my face became very bumpy with acne scars. I started alternating between tretinoin and clindamycin cream, which has stabilized my skin condition, but...

Oral isotretinoin and azelaic acid? Hello Doctor, 1: I am currently taking oral isotretinoin, one capsule a day (20mg). I have some pigmented acne scars and would like to use azelaic acid (20%) to lighten them. Is that okay? 2: While on isotretinoin, I am experiencing some co...

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...

Mosquito bites can leave scars that appear as raised dark spots? Over a year ago, I was bitten extensively on both feet by small black mosquitoes, and now I still have scars (small black raised spots). Sometimes when I get bitten by new mosquitoes, I feel itching in other areas a...

How can I determine if I have keloid-prone skin? I am considering laser mole removal, but I am concerned about the possibility of developing keloids since the mole is located on my jaw and is relatively large (approximately 0.5 cm in diameter). What methods can I use to determine...

Scars, cryotherapy 1. Last year, after a boil on my back healed, I noticed that the scar from the boil was inexplicably raised and itchy. I visited a hospital for a consultation, and the doctor suspected it was a sebaceous cyst, so I underwent an outpatient procedure to have the ...

Six months after thoracoscopic surgery, the surgical scar is red and raised. What are the solutions? I underwent thoracoscopic surgery at the beginning of the year, and my doctor advised me to use silicone gel for wound fixation long-term after the stitches were removed to avoid ...

Scarring / Hyperpigmentation Can I ask the doctor, because I have long-term eczema and allergy issues, I tend to develop scars on the affected areas. What is the best way to remove these scars or hyperpigmentation? Is it effective to use scar gel? Thank you, doctor!

Rhododendron toxicity issues? Hello, I have been experiencing frequent skin redness, cystic acne, numerous blackheads, and enlarged pores. Therefore, I visited a dermatologist who prescribed Sulfur ointment to treat Demodex mites. I have also been using azelaic acid (starting fro...

Does having chickenpox increase the likelihood of developing keloids? Hello, doctor. I have a keloid tendency and did not have chickenpox when I was younger. I would like to ask if I do get chickenpox, will the areas affected definitely form keloids, or can I avoid keloid formati...

Boil issues I am very prone to developing boils, approximately every one to two months. They are usually located on my thighs, and sometimes near my buttocks, which makes sitting uncomfortable. I’m not sure when this started, but it has been a few years, and it really bothers me....

Abdominal hypertrophic scar issues? Hello Dr. Wu, I had a cesarean section and it has been five months since the delivery. One-third of my incision is smooth, while the other two-thirds are red and raised, which I believe is hypertrophic scarring. I have been using the patches an...

Burn wound Hello, I had a burn injury 4 to 5 years ago, but I didn't see a doctor. I only applied ointment for the first few months, and I haven't used any medication since then. I often feel itching and tingling around the burn area, and recently, some small wounds hav...

Regarding acne and pimples? Hello, doctor. I have some questions regarding my skincare routine. I have been using azelaic acid on my face, and I've noticed that my acne scars are fading quite quickly. However, it hasn't been effective for my blackheads, and sometimes I ...

Pimples around the penis? Hello, Doctor. 1. I would like to inquire about a situation I noticed in the first three to four months. I found one or two pimples around the pubic hair area, but I didn't think much of it. I squeezed them and was able to extract some white subst...

Electrosurgery for the removal of facial scars and blemishes? Hello, Director. I would like to ask you about the scar issue on my face: I had two areas on my face treated with electrosurgery about a month and a half ago, each approximately the size of a five-cent coin. Immediatel...

Wound healing issues In early November, I had a car accident that caused abrasions on all four limbs, which have multiple scabs. I accidentally pulled off some scabs with my clothing, revealing pink new tissue. However, the tissue is raised. I would like to know if this raised ne...

Frostbite scars Hello Doctor: A few days ago, my skin came into contact with the metal frame of a -80 degree freezer for several seconds, resulting in redness, swelling, and pain. The next day, a dark brown discoloration appeared. I would like to ask if this will leave a scar. Th...

Severe oiliness after using retinoids? Hello Doctor: I have been experiencing irregular sleep patterns and sudden stress, which has caused a breakout of acne. A month ago, I visited a dermatologist who prescribed me two doxycycline enteric-coated capsules daily, along with applyi...