Severe headache in primary Sjögren's syndrome treated with intrathecal rituximab
Peer reviewed, Journal article
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A severe and persistent migrainous headache in a patient with primary Sjøgren's syndrome unresponsive to treatment with immunosuppressive drugs, triptans, opioids, and NSAIDs, responded successfully to intrathecal B‐cell depletion with rituximab. We hypothesize that brain‐resident autoreactive B cells were involved in headache pathogenesis and were eliminated by this procedure.