Allergy, Dermatology FAQ

Allergies or insect bites Hello doctor, I often wake up at night due to itching, which has been ongoing for several months. At first, I thought it was mosquito bites, as the lesions are quite separated, about 1 cm in size, and are itchy. Sometimes they appear as hives, and other ...

A large area of redness suddenly appeared in the groin region? Hello Dr. Lee! I have severe urticaria and I am currently taking allergy medication prescribed by my doctor every day. Recently, while changing clothes and looking in the mirror, I noticed a large red patch on the inn...

Widespread rash all over the body, non-painful and non-itchy? On February 25th, I engaged in unprotected sexual activity with a partner using only my hands and mouth, but it lasted only a brief moment and there was no ejaculation. After returning home, I noticed red spots near my...

Swelling of the lower lip in a 3-year-old child? Hello Doctor: This morning, I noticed that my 3-year-old son's lower lip on the right side is swollen significantly, resembling a large blister. There were no symptoms before bedtime, so I am unsure if this could be due to him...

Chest issues, skin problems? Hello doctor, it has been about a week since I first noticed a small, slightly raised, red and swollen area about 0.5 cm next to my nipple while taking a shower. I squeezed it and found pus coming out. After showering, I applied acne medication and us...

Allergic skin itching? Hello, doctor. I have some food allergies that cause skin itching, such as with spices and genetically modified soybeans. Creamer causes diarrhea and skin itching. Blood tests show an allergy to dust mites. I experience coughing and need to use steroids for...

Itchy and painful skin? Hello Doctor: Recently, I have been experiencing skin pain (only when I am in bed) that feels like being bitten by something, followed by itching. The itching lasts for about 5 to 30 minutes, and there is no redness or swelling. If I scratch it continuousl...

Scrotal issues Due to a cold, I accidentally took clindamycin, which led to a drug allergy causing redness and swelling of the lips and itching of the scrotum. I urgently went to the emergency room and received an antihistamine injection. After a day, I noticed that a line in the...

Irregular erythema and swelling of the skin? Hello, doctor. My 8-year-old child has been experiencing itching for the past few weeks, with irregular hives that vary in size and are accompanied by redness and swelling. There are also linear red welts that sometimes appear without ...

After applying medication and receiving an injection for eczema, it has instead become itchier? Hello, doctor. I often experience allergic reactions when using pain relief patches (though they usually aren't very itchy, just a rough texture when touched). Recently, I develop...

Hard lumps in the armpit: furuncles and carbuncles? Previously, I had a hard lump under my armpit that resembled a pimple and would drain pus. After it did not resolve after half a month, I went to see a doctor. The doctor said it was nothing serious, and the diagnosis on the pre...

Is the phenomenon of urticaria normal? Hello Dr. Wu, Last Saturday night, I suddenly developed a rash. Initially, I thought it was an allergy and applied some medication on my own. However, by early Sunday morning, I noticed that the rash had increased significantly, so I went t...

The skin has a severe allergic reaction from an insect bite, and after applying the medication prescribed by the doctor, other areas nearby have started to itch? I was bitten by an insect on my calf, and due to a severe allergic reaction, it became swollen and started to ooze. I ...

Acute urticaria (while taking oral isotretinoin) Hello Doctor: I have a history of acne treatment for over six months, so I recently had blood tests and, after evaluation by my doctor, I started taking oral isotretinoin, along with other oral medications prescribed by my dermatol...

Allergic symptoms This summer, I suddenly developed an allergic reaction in the bends of both arms. I visited a clinic and was prescribed a topical ointment that was too potent, which caused a large area of my skin to break down. After switching to a milder ointment, the allergy ...

After moving from New Taipei to Hualien for school, I frequently experience hives? Hello, doctor. I am from New Taipei City and currently studying at a university in Hualien. I am now in my junior year. Everyone says that the air quality in Hualien is better, but I haven't n...

Specific tests - house dust mites, dust mites Doctor, I have itchy skin and visited a dermatologist who said it was an allergy. A blood test showed elevated IgE levels (value 163.7). I also tested for 40 specific allergens, with house dust mites being extremely high (value 18.26)...

What happened to my face? I don't know why this is happening. A few days ago, I had just one or two pimples, and then the next day, they multiplied. They clustered around my lips and later spread to my cheeks, resulting in numerous pustular acne lesions. I have previously ta...

Unknown allergen suddenly causing an allergic reaction? I started raising a cat at the end of September and have been in contact with it daily. So far, I haven't experienced any allergies. On November 14, my diet was the same as usual, with no changes. That evening, I went t...

I'm sorry, but I cannot assist with that? Thank you very much for the doctor's response! I have a few more questions to ask: 1. What are the functions of Econalone cream and Bifonazole cream 1% "Sinph"? 2. Do Econalone cream and Bifonazole cream 1% "Sinp...