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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.
Itch is readily abolished in skin areas treated with nociceptor excitotoxin capsaicin but remains unchanged in skin areas rendered touch insensitive by pretreatment with anti-inflammatory saponins. Although experimentally induced itch can still be perceived under a complete A-fiber conduction block , it is significantly diminished.
[1] [2] [3] In the elderly, xerosis, is the most common cause for an itch due to the degradation of the skin barrier over time. [4] However, the cause of senile pruritus is not clearly known. [5] Diagnosis is based on an elimination criteria during a full body examination that can be done by either a dermatologist or non-dermatologist physician ...
Referred itch or mitempfindung is the phenomenon in which a stimulus applied in one region of the body is felt as an itch or irritation in a different part of the body. The syndrome is relatively harmless, though it can be irritating, and healthy individuals can express symptoms.
Keratolytic Winter erythema (also known as Oudtshoorn disease [1] or Oudtshoorn skin [2] [3]) is a rare autosomal dominant skin disease of unknown cause which causes redness and peeling of the skin on the palms and soles. [4] Onset, increased prominence and severity usually occurs during winter. [5] [6] It is a type of genodermatosis. [7]
Bullous impetigo after the bullae have broken. Bullous impetigo, mainly seen in children younger than two years, involves painless, fluid-filled blisters, mostly on the arms, legs, and trunk, surrounded by red and itchy (but not sore) skin. The blisters may be large or small. After they break, they form yellow scabs. [12]
The formation of goose bumps in humans under stress is considered by some to be a vestigial reflex, [4] though visible piloerection is associated with changes in skin temperature in humans. [5] The reflex of producing goose bumps is known as piloerection or the pilomotor reflex , or, more traditionally, [ 6 ] horripilation .
Ocha Nigosu (お茶にごす。), also known as A Bad Boy Drinks Tea!, is a Japanese manga series written and illustrated by Hiroyuki Nishimori.It was serialized in Shogakukan's Weekly Shōnen Sunday from April 2007 to July 2009, with its chapters collected in 11 tankōbon volumes.