Hives, 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 ...

Itching after hair removal? After hair removal in the area above the genitals, there hasn't been much issue, but as the hair begins to grow back, a few hair follicles have started to itch like hives (currently 6 spots). They are currently swollen and red, and mainly itch whe...

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...

Urticaria at the joints Hello doctor, I have developed hives over the past few days, particularly around my limbs and joints, although there are also sporadic rashes in other areas. I visited a clinic, and the doctor said it was due to changes in the weather and prescribed me med...

Urticaria recurrence after discontinuation of medication? Hello, doctor. Recently, I suddenly started experiencing hives, which have progressively worsened and spread all over my body. For the past month, I have been taking second-generation antihistamines. During my consultation...

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 ...

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...

I can't figure out what the symptoms are? Hello, Doctor: It started with itching around my breasts, and after scratching, the skin turned dark and felt rough. Then, I began to experience itching around my waist as well. The first doctor I saw diagnosed it as eczema, but when...

Urticaria is difficult to resolve? Hello, doctor. I would like to ask why my hives tend to flare up particularly during hot weather and are difficult to resolve, even with medication. What can I do to help alleviate this condition? (I have also been applying topical ointments.)

Urticaria issues? I have to take antihistamines every day due to itchy skin. One day, I accidentally found out online that long-term use of antihistamines can lead to obesity, metabolic syndrome, and even diabetes. I have a habit of exercising, but I still have a belly, and I don...

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...

Urticaria occurs when not getting enough sleep? Hello, doctor. I would like to ask about my husband. For the past month, whenever he doesn't get enough sleep, he develops itchy hives, but they disappear after he sleeps. If he gets enough rest, he doesn't have any rashes...

Itchy rash or hives all over the body? Hello doctor, recently I've been experiencing sudden goosebumps on my body, followed by small, itchy bumps that resemble a rash. Sometimes the rash appears on my arms, and other times on my calves. Unlike the hives I had before, which w...

Skin issues Hello, doctor. Since I developed urticaria on August 2, I have not improved despite taking medication. I usually experience this condition at least twice a year, but it typically resolves within a week of treatment. However, this time it has been nearly a month withou...

Daily urticaria? Hello Doctor: Since July of last year, I have been experiencing hives most evenings, which have affected my work and sleep. Initially, I thought it was related to my diet, but even after trying to fast for an entire day, I still experienced hives. Later, I consid...

I have itchy papules on my body? Hello, doctor. I have dry and sensitive skin, and during the summer, I easily develop itchy bumps on my skin. If I scratch them, they turn into red rashes, usually located around the joints of my hands and feet. This year, for some reason, I have ...

In recent months, I have frequently noticed subcutaneous bleeding? In recent months, I have frequently noticed petechiae on my body, such as small red spots appearing after waking up. This was not common for me before, but now I often see these pinpoint-sized spots. Is this an in...

Post-laser hair removal skin may experience darkening, swelling, and itching? Hello, about five days ago I underwent laser hair removal in the intimate area. I have previously had six sessions without any issues, but this time the pain during the procedure was more intense than u...

Itchy red rash on the body? Hello Dr. Lee, About two weeks ago, I ate crab and shrimp, and the next day I developed a rash on my body. It doesn't resemble the patchy appearance of hives that I have experienced in the past, which typically resolve quickly. Instead, it appear...

Topical corticosteroids for urticaria? If you have developed hives on your face and have been using a topical corticosteroid cream prescribed by your doctor for three days, but your skin has worsened, becoming very dry, flaky, and wrinkled, resembling that of an older adult, it i...