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Notalgia paresthetica is a common localized itch, affecting mainly the area between the shoulder blades (especially the T2–T6 dermatomes) but occasionally with a more widespread distribution, involving the shoulders, back, and upper chest.
An icepack directly onto the skin provides instant relief. For milder cases, the intense itch/scratch cycle can be broken by applying a topical skin coolant gel containing menthol, camphor, or other topical coolant to affected itchy areas, and then consistently applying 100+SPF sunscreen to affected skin of arms, shoulders, neck, etc., whenever they are expected to be
An itch, also known as pruritus, is classified as a sensory stimulation to scratch a certain area of the skin. An itch can be a fleeting sensation, as with a random tickle or prick, or persistent, as with a rash such as eczema or other skin irritant such as an allergen. Itch has been demonstrated to be closely related to pain and to share many ...
Pain elicits a withdrawal reflex, which leads to retraction and therefore a reaction trying to protect an endangered part of the body. Itch in contrast creates a scratch reflex, which draws one to the affected skin site. Itch generates stimulus of a foreign object underneath or upon the skin and also the urge to remove it.
Scientists are still unraveling the mystery of why skin conditions like eczema cause people to itch. One known cause is inflammation, which gets worse as people scratch and their skin becomes damaged.
Formication may sometimes be experienced as feelings of itchiness, tingling, pins and needles, burning, or even pain. When formication is perceived as itchiness, it may trigger the scratch reflex, and, because of this, some people who experience the sensation are at risk of causing skin damage through excessive scratching.
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