Urticaria, a common condition driven by mast cells, affects about 3-5 percent of people. It appears as recurring itchy hives on various parts of the body. These wheals are temporary, disappearing ...

These hives are itchy, tingly, and warm. They're usually small (1-3 millimeter) red bumps with flares or circles around them called wheals. You can get them anywhere on your body, but most of the ...

An itchy rash on the stomach can be caused by numerous things, from allergic reactions to severe stress and sunburn. Often, itchy rashes involve hives. Also known as urticaria, hives are a common skin ...

Avoiding triggers is key to preventing the rash from coming back. Hives (urticaria) are itchy welts (wheals) that can be circular or take on other shapes. They usually happen because the skin is ...

Chronic urticaria lasts longer. Medically, it is defined by hives or welts (which are sometimes called wheals) that last at least 6 weeks. The hives may occur daily or almost every day ...

Urticaria may present with superficial swellings of the dermis called wheals or deeper swellings of the dermis, subcutaneous, or submucosal tissues known as angioedema. Wheals are typically itchy ...

Hives have a flat surface, don't blister, and can crop up individually or in a cluster called a "wheal." Sometimes, hives are accompanied by swelling -- called angioedema -- of the face (eyes and ...

Overlap between groups is common, and they often occur as an added feature of chronic urticaria. The most common type is simple-immediate dermographism, presenting with linear wheals at sites of ...

the condition is characterized by hives on the skin that come and go. The raised red bumps are often called welts, lesions, or wheals and typically appear at least twice a week. Urticaria changes ...

It can be alarming if you discover a rash or spots on your baby or child, especially if you don't know what's causing it or what it could be. Our guide includes photos of rashes on different skin ...