Dr. Guo Fengsheng reply Dermatology Question

Nasal comedones Hello, Doctor: I have very severe blackheads on my nose, which are clearly visible from a distance as small black dots. I have seen a dermatologist, but the doctor only prescribed me tretinoin, and after using it for over a year, there has been no improvement. Ins...

Persistent redness of the cheeks? Hello, doctor. I would like to ask about my cheeks, which have been red for several years. They are not itchy or painful; they just appear red. What could be causing this? Additionally, my face tends to be very oily. Is there any medication that ...

A keloid has formed on the elbow joint? Hello, when I was 20 years old, I bumped my elbow against a wall and developed a keloid measuring about 2 cm in length and 0.5 cm in width, with a raised area of about 0.3 cm that has since scabbed over. It has been painful whenever I touch...

Have you been infected with scabies? Can scabies be transmitted through objects that a person with scabies has touched, such as a table, a pen, or a doorknob? Also, if they accidentally brushed against my shoulder or if my clothes lightly touched theirs, can it still be transmitt...

Eczema issues Hello Dr. Kuo: Does avoiding cold drinks help improve eczema? Thank you.

Wound management Hello! I would like to ask some questions about wound management. I often hear people say that when they go to the hospital for dressing changes, the nurse rinses the wound with saline, applies povidone-iodine, and then rinses off the povidone-iodine with saline ...

It looks like acne but is not acne? Hello, I recently noticed that there are small bumps near my right armpit that resemble pimples but are not actually pimples. When I try to squeeze them, they do not ooze pus like regular pimples; instead, a small, whitish substance comes out, ...

Plantar warts? Hello Doctor: I have had warts on the soles of my feet and underwent several cryotherapy treatments, and finally, they healed! However, after a week, I discovered a small wart in a new location... What vitamins should I take to boost my immunity? I have disinfected...

Acne scars Hello Dr. Kuo: I have many spots on my face and acne scars left from breakouts. Could you please advise on how to lighten these scars? Thank you, Dr. Kuo. I appreciate your guidance.

Nail injury and deformity issues? A few years ago, I injured a finger near the nail, and since then, the nail that grew back has developed a straight line, causing it to be uneven with the left side higher than the right. A dermatologist mentioned that this was due to damage to t...

Chronic skin disease? Hello, doctor. I've been dealing with skin itching for a long time. I went to the dermatology department at Taichung Hospital and Veterans General Hospital, and the doctors only prescribed me antihistamines, but the medication names keep changing. Taich...

Scar treatment medication Dear Doctor, 1. There is a scar treatment product available on the market called Mederma, which is manufactured by Merz, a German pharmaceutical company. I have had a burn scar on my hand for over thirty years. The pharmacy staff informed me that my sca...

Pimples near the testicles? At the beginning of last month, I developed a bump next to my testicle (where it connects to the thigh). I consulted a dermatologist who suggested it might be folliculitis. A few days ago, it shrank and looked like a pimple, but when I squeezed it, whi...

A painful, swollen bump? Hello, doctor: In the past two to three days, I have developed two small, red bumps on my face. I have experienced similar issues before, particularly on my chin. Each time, the situation is quite similar; it starts with a small bump that feels somewhat h...

The thumb hurts when pressed, but upon closer inspection, there doesn't seem to be any visible injury? I don't see any wounds on my skin, but it hurts a lot when pressed and feels prickly. Is it possible that something (like a bamboo stick or short hair) has pierced the...

Warts in the mouth? About three to four weeks ago, I developed small blisters in my mouth that burst, and then blisters appeared again in roughly the same area. Later, the blisters turned white and became raised; they are not painful but also do not go away. I consulted a private...

Scalp issues Hello Dr. Kuo: It seems that I keep getting something similar to pimples on my scalp. I went to see a dermatologist, and they also said it was acne. Can I dye or perm my hair in this condition? What effects could it have? (I have already permed my hair and would like...

The back of the finger is itchy, similar to a mosquito bite? Recently, the backs of my fingers and toes have been very itchy, and some areas have developed rashes that resemble mosquito bites. Both my hands and feet are itchy, and the more I scratch, the itchier it becomes. There...

The skin is very itchy? Hello, doctor. I have had severe skin allergies since childhood, and it affected my studies in high school due to itching. I consulted an allergist and learned that I am allergic to dust mites, so I received allergy shots for several years. Recently, the i...

Inflammatory cells refer to the various types of immune cells that are involved in the inflammatory response. These typically include neutrophils, macrophages, lymphocytes Inflammatory cells refer to the various types of immune cells that are involved in the inflammatory response...