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Dermatographic urticaria is sometimes called "skin writing", as it is possible to mark deliberate patterns onto the skin. The condition manifests as an allergic-like reaction, causing a warm red wheal to appear on the skin. As it is often the result of scratches, involving contact with other materials, it can be confused with an allergic ...
The hives associated with aquagenic urticaria are typically small (approximately 1–3 mm), red- or skin-colored welts (called wheals) with clearly defined edges. It most commonly develops on the neck, upper trunk and arms, although it can occur anywhere on the body. Once the water source is removed, the rash generally fades within 30 to 60 ...
The exact mechanism of the condition is unknown. Some studies have suggested the itching occurs in response to increased fibrinolytic activity in the skin, [5] [6] inappropriate activation of the sympathetic nervous system, [7] increased activity of acetylcholinesterase, [8] [9] or an increase in mast cell degranulation that releases histamine and other chemicals into the body.
Rosacea. What it looks like: Rosacea causes redness and thick skin on the face, usually clustered in the center.Easy flushing, a stinging sensation, and small, pus-filled pimples are other common ...
There are many causes of red, itchy, swollen patches of skin, including allergies, burns, and infections. Here are photos to help you identify what you have.
Tzaraath (Hebrew: צָרַעַת ṣāraʿaṯ), variously transcribed into English and frequently translated as leprosy (though it is not Hansen's disease, the disease known as "leprosy" in modern times [1]), is a term used in the Bible to describe various ritually impure disfigurative conditions of the human skin, [2] clothing, [3] and houses. [4]
Cellulitis is usually [9] a bacterial infection involving the inner layers of the skin. [1] It specifically affects the dermis and subcutaneous fat. [1] Signs and symptoms include an area of redness which increases in size over a few days. [1] The borders of the area of redness are generally not sharp and the skin may be swollen. [1]
Muslim Girl/Getty Images. Also known as swam, fasting is a one of the five pillars of Islam and an essential part of Ramadan.(Read about the other four pillars here.)As Zafar explains, “Fasting ...