Allergy, Dermatology FAQ - Page 6

Red rash on the hand? Hello, it seems that the weather has been very hot lately, and I've been experiencing red rashes on my thighs and arms that are neither painful nor itchy. They usually disappear in about a week. I would like to know if this is an allergy or if there is ...

Rash on the upper body? Hello Doctor: Over the past few months, I've noticed that my mother's rash covers almost her entire upper body. The itching occurs intermittently, and it seemed to be improving, but it keeps recurring unpredictably. When she scratches, the rash t...

Scabies and urticaria? I would like to ask the doctor: I had scabies six months ago and after treatment, there seemed to be no issues. However, I then started experiencing symptoms of urticaria. The doctor at that time said it was an allergy caused by the scabies. However, the ar...

Is it an allergy? In the morning, I had Vietnamese cuisine, and by the afternoon, I noticed small red spots on both sides of my neck. They are not itchy or painful.

Allergens and Acne Hello Doctor, I have been experiencing acne and blemishes since middle school. After entering university, I continued to see a dermatologist who told me that I would just have to deal with it and advised me to keep using topical retinoids. I maintain a normal l...

Is it an allergic reaction? I am a patient with urticaria and have a cold allergy. Every time I apply a face mask, I experience itching (similar to the sensation when exposed to cold air). After removing the mask, my skin becomes red, but there are no hives. The redness typically...

Ear piercing inflammation and allergy? Hello Doctor: I just had my ears pierced a little over a month ago. Initially, I experienced some inflammation due to negligence, but after urgently applying medication (gentamicin), it improved a bit. Currently, my symptoms include occasion...

Itchy skin on the abdomen? Hello, doctor: I've been feeling some itchiness on the skin of my abdomen these past few days. It itches when I scratch it, but I don't see any rashes or signs of bites. Could this be a type of allergy?

How long does it take for scabies to heal? I visited dermatology for three consecutive days. The first doctor casually said it was just an allergy, the second one also mentioned it would resolve in a few days and prescribed an antihistamine. Finally, the third doctor diagnosed it...

Lip allergy Hello, doctor! My lower lip suddenly became very itchy after I used a metal needle to extract a pimple underneath my lip. The next morning, although the itching had subsided, my lip was swollen. It has been a month now, and the swelling has not gone down at all. Could...

Is this an allergy? In late March, I had a car accident and fractured my metatarsal! I've been applying medication, which has caused small itchy rashes to develop on the dorsum of my foot. The skin color on my foot sometimes appears dark red or dark in tone. I also have 1 to...

During the treatment of eczema, there may be a sensation of generalized skin itching? Three days ago, I unexpectedly discovered large red swollen patches on my left cheek and forehead. At that time, I didn't feel any itching, so I didn't pay much attention to it. A few ...

I am afraid it is scabies on the hedgehog? In the past two to three days, I have developed red spots on my skin, distributed on my limbs and face, with one or two blisters behind my ears. I may have unintentionally scratched them while sleeping, and the scabs are red. Some areas ...

Treatment of scabies nodules? I was diagnosed with scabies three weeks after the onset of my symptoms. At that time, there were no nodular symptoms in the genital area. After using permethrin and thorough disinfection, the itching significantly improved. However, nodules began to...

The urticaria caused by a drug allergy has been treated for over two months? Hello, after taking two tablets of the medication prescribed by my doctor for bone health, I developed hives on the third day. On the same day the hives appeared, I went to the emergency room (since it w...

Allergic to antibiotic ointment? Hello Doctor: Previously, when my skin was injured, the doctor prescribed gentian violet ointment for treatment, but the affected area has been improving and worsening, with recurring symptoms of itching, purulence, and serous fluid discharge. Eve...

Unexplained itching of the skin on the limbs? There is no noticeable redness, swelling, rashes, or spots on the limbs, but sometimes there is sudden itching, mostly in the feet, including the thighs. It usually does not itch, but sometimes even a light touch can trigger intense i...

After taking a shower, the skin develops patchy red spots? Hello Dr. Lee: After my boyfriend takes a shower, I notice that his upper body is covered with large, patchy red spots that resemble hives, sometimes extending to his face, and they are itchy! However, they do not last lo...

Excision of a raised mole? Hello, doctor! I have had a raised mole on the front of my neck, near the carotid artery, since childhood. It is about 1 cm in diameter. I consulted a nearby dermatology clinic, and they advised that I need to go to a major hospital for excision surgery...

Allergy? Hello Dr. Lee, I have been suffering from allergies for 7 to 8 years and have tried both traditional Chinese medicine and Western medicine. I had blood tests done at a large hospital, which indicated that my allergy markers were very high, but no specific cause was ident...