Abstract
Itch is a skin sensation leading to a desire to scratch. The sensation is different from pain and touch in its nature, persistence and localisation. Itch can be regarded as a physiological and well-adapted sensation when it elicits a scratch response that removes potentially harmful stimuli from the skin, such as fibres, chemicals or parasites. Tissue damage caused by scratching may lead to acute conditions such as scratch prurigo (itchy wheals from scratching) or to the chronic lichenified patches of prurigo nodularis.
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Chen, IJ. (2000). Principle of Drug Treatments for Itch. In: Gabard, B., Surber, C., Elsner, P., Treffel, P. (eds) Dermatopharmacology of Topical Preparations. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-57145-9_14
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DOI: https://doi.org/10.1007/978-3-642-57145-9_14
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