“You need an M.R.I. of your cervical spine,” he said. “You have brachioradial pruritus.” Her itch was caused by an injury to a nerve in the lower part of her neck, he told her. After four ...

Examples of peripheral neuropathic itching include brachioradial pruritus, notalgia paresthetica, postherpetic neuralgia, and anogenital pruritus. Brachioradial pruritus is itching of the lateral ...