What causes pain in brachioradial pruritus?

Updated: Oct 05, 2020
  • Author: Julianne Mann, MD; Chief Editor: Dirk M Elston, MD  more...
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Answer

The pruritus experienced by patients with brachioradial pruritus is believed to be a variant of pain. [8] However, the anatomic location of the neural injury or irritation producing this pain is controversial. Two prevailing hypotheses are proposed. The first postulates that brachioradial pruritus is caused by injury to peripheral cutaneous nerves from sunlight exposure. The second suggests that nerves are damaged at the level of the cervical spine. Both mechanisms appear to be active in many patients.


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