Allergy, Dermatology FAQ - Page 5

Systemic allergy Why have I been experiencing widespread allergies recently? I usually don't have food or drug allergies. I have red spots appearing here and there, which resemble mosquito bites. The doctor said it's an allergy, and after getting an injection, it improv...

Skin allergy Hello Doctor: I have an allergy on my foot, and the affected area appears deep red when I am standing. When I sit or elevate my foot, the affected area returns to its original skin color. Does this mean that once the inflammation in the allergic area subsides (and it...

How can I know if I have an allergy? Hello, Doctor. I am planning to get my ears pierced soon and have done a lot of research online, but I still have some questions for you: 1. How can I determine if I have any allergies? Is there a way to test for this myself? 2. Is it okay t...

Scabies issue!!! Hello, doctor! I would like to ask you a few questions about scabies. I started noticing small red rashes on the back of my hands on November 24th. Initially, I thought it was an allergic reaction to new bed sheets since I had just changed them the day before, so...

I have developed something on my face that looks like acne, but it does not become red? Q1: There is a slightly raised, barely noticeable bump under the epidermis on my face that feels similar to a pimple. It is not visible when looking at it, and it does not become red. It has b...

Recurrent itching? Hello, doctor. I have dry skin, and during winter, if I don't apply lotion, my skin becomes dry, itchy, and even peels. Last year, my facial skin became so severe that I had hard, slightly yellow patches on my cheeks, possibly due to my picking at them. Th...

Skin allergy Dear Doctor: My husband has been experiencing unexplained rashes for about two years. These rashes occur in any season, but they become particularly severe when he is hot and tired or exposed to cold wind in winter. Initially, we thought it was a food allergy, so he ...

Infant skin issues I would like to ask, since my baby is already two months old, I stopped breastfeeding after the confinement period and have been giving her a hydrolyzed formula from a sample can. After trying that, I switched to New Angel's Anbu formula. Recently, I notic...

Small white spots appear on the chin? Hello, doctor. I have noticed some unknown small white spots on my chin in the past few days. They don't seem to be acne, and there is no redness around them. I'm quite puzzled about what this could be. I have looked online for cond...

Elimination of pigment deposition in atopic dermatitis? Hello: I have been a severe allergy sufferer since childhood, and my atopic dermatitis only improved in my twenties due to changes in my environment and related physical therapy methods. Currently, my atopic dermatitis is no...

Retinoic acid and azelaic acid? Hello doctor, may I ask if it is possible to use retinoic acid or azelaic acid for hyperpigmentation in the armpits? Can retinoic acid be used for stretch marks on the chest? Thank you.

After sun exposure, red spots may appear and then become itchy? Hello, doctor: I recently returned from Boracay, where the ultraviolet (UV) radiation is three times stronger than in Taiwan. A few days after returning, my skin started to itch. After seeing a doctor and taking medi...

Issues After Swimming Hello, I started swimming a few days ago, but recently my face has started to become red and itchy. Is this due to a chlorine allergy? Is there any way to address this? Does this mean I won't be able to swim?

Skin redness, swelling, and itching? Is this urticaria? From May 2nd to May 8th, I have been experiencing persistent redness and swelling that feels particularly itchy when it gets warm! This condition is present on my thighs, calves, arms, and abdomen. The picture shows the most...

My wife is allergic to my saliva? After being together with my wife for four years, during the fourth year of working in Shenzhen, my wife developed an allergy to my saliva. Whenever I kiss her on the skin, it becomes red and itchy. What could be the possible reason for this? Cou...

Drug allergy I would like to ask the doctor, I currently have hives, and the doctor at the hospital first prescribed antihistamines (Loratadine) for me, but the effect was minimal. Later, the doctor added corticosteroids (Dexamethasone) and another antihistamine (Cetirizine), but...

There are raised bumps on the thigh that resemble mosquito bites? In the morning, I noticed a large raised area on the upper part of my thigh, approximately 3x2 cm in size, with a few smaller scattered spots nearby. The surface appears slightly red, but it is neither painful nor ...

After sweating, there are red rashes all over the body, but they are not itchy? At the end of March 2016, during a physical education class, I sweated a lot and developed red rashes all over my body (which were not itchy). After my body stopped sweating for a while, the rashes di...

Allergic acne Hello, recently I've been getting small red bumps on my face, some of which have a little white on top. When I apply a topical medication, it temporarily disappears, but the next day, new bumps appear on the other side, and they always come in clusters in diffe...

Repeatedly appearing red spots in different locations on the body that are very itchy? Due to a severe asthma attack that required hospitalization, I was discharged and treated with a large amount of steroids (starting with 12 pills a day and gradually reducing during follow-up v...