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Skeeter syndrome (papular urticaria) is a localized severe allergic reaction to mosquito bites, [1] consisting of inflammation, peeling skin, blistering, ulceration and sometimes fever. It is caused by allergenic polypeptides in mosquito saliva, and therefore is not contagious. [2]
The term papular urticaria [4] is commonly used for a reaction to mosquito bites that is dominated by widely spread hives. Here, papular urticaria is regarded as a symptom of mosquito bite allergy manifested in individuals with one of the other mosquito bite allergies but particularly in those associated with eosinophilic cellulitis.
Pityriasis rosea is a type of skin rash. [2] Classically, it begins with a single red and slightly scaly area known as a "herald patch". [2] This is then followed, days to weeks later, by an eruption of many smaller scaly spots; pinkish with a red edge in people with light skin and greyish in darker skin. [4]
Hives, also known as urticaria, is a kind of skin rash with red and/or flesh-colored, raised, itchy bumps. [1] Hives may burn or sting. [ 2 ] The patches of rash may appear on different body parts, [ 2 ] with variable duration from minutes to days, and do not leave any long-lasting skin change. [ 2 ]
However, the understanding of urticaria as an autoimmune condition is a relatively recent development in medical history. [14] The term autoimmune urticaria refers to a subset of chronic spontaneous urticaria (CSU) cases where the immune system appears to play a significant role. This understanding began to evolve in the mid to late 20th ...
Furthermore, other clinical differential diagnosis could be from drug eruptions, urticaria, or viral exanthems. [ 9 ] Sometimes, people may require a 3- or 4-mm punch biopsy to exclude herpes gestationis, which is a variant of bullous pemphigoid occurring during or immediately after pregnancy.
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Adrenergic urticaria is a skin condition characterized by an eruption consisting of small (1-5mm) red macules and papules with a pale halo, appearing within 10 to 15 min after emotional upset. [ 1 ] : 154 [ 2 ] There have been 10 cases described in medical literature, and involve a trigger (coffee, intense emotions) followed by a rise in ...
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