Pruritus is an uncommon symptom in cancer patients but can often be difficult to treat. The pathogenesis is complex and is not fully understood although there is evidence of involvement of a number of mediators from which treatment options are developing. In cancer patients pruritus may be directly related to the cancer, indirectly related (e.g. cholestasis) or associated with treatment. It is not always possible to treat the underlying cause of the pruritus in these patients, or desirable to stop treatments that may contribute and in these cases we must address the pruritus itself. The treatment of pruritus is a developing area, and helpful research is slowly emerging. The evidence base is not extensive but some high quality studies exist. This short paper briefly discusses the pathogenesis, causes, effects and treatment options for pruritus in cancer patients.
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