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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 ...
Contact dermatitis. What it looks like: Contact dermatitis has the same symptoms mentioned above, and can be a red rash that appears scaly or blistered, depending on its cause and severity.This ...
Rashes can be itchy, bumpy, stinging, blistering, spreading or nearly unnoticeable. There are so many types of skin rashes that it can be tough to know exactly which one you're dealing with — or ...
Cold urticaria (essentially meaning cold hives) is a disorder in which large red welts called hives (urticaria) form on the skin after exposure to a cold stimulus. [1] The hives are usually itchy and often the hands, feet and other parts of the body will become itchy and swollen as well.
Rodent mite dermatitis (also known as rat mite dermatitis) is an often unrecognized ectoparasitosis occurring after human contact with haematophagous mesostigmatid mites that infest rodents, such as house mice, [1] rats [2] and hamsters. [3]
Erysipelas (/ ˌ ɛ r ə ˈ s ɪ p ə l ə s /) is a relatively common bacterial infection of the superficial layer of the skin (upper dermis), extending to the superficial lymphatic vessels within the skin, characterized by a raised, well-defined, tender, bright red rash, typically on the face or legs, but which can occur anywhere on the skin.
[3] [4] Typically, over the upper inner thighs, there is an intensely itchy red raised rash with a scaly well-defined curved border. [3] [4] It is often associated with athlete's foot and fungal nail infections, excessive sweating, and sharing of infected towels or sports clothing. [4] [5] [6] It is uncommon in children. [4]
In approximately 15% [6] to 30% [7] of people, urushiol does not trigger an immune system response, while at least 25% of people have a very strong immune response resulting in severe symptoms. [citation needed] The rash takes one to two weeks to run its course and may cause scars, depending on the severity of the exposure. [4]