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Relapsing-remitting multiple sclerosis and chronic idiopathic neutropenia: a challenging combination
  1. Eva Jolanda Münzel1,
  2. Jennie Z Wimperis2,
  3. Anna Williams1
  1. 1Centre for Regenerative Medicine, University of Edinburgh, Edinburgh, UK
  2. 2Department of Haematology, Norfolk and Norwich University Hospital, Norwich, UK
  1. Correspondence to Dr Anna Williams, anna.williams{at}


We report the challenges of treating relapsing-remitting multiple sclerosis (MS) in a 31-year-old woman with long-standing chronic idiopathic neutropenia. The treatment with the disease-modifying therapy interferon-β was significantly complicated by a further fall in her generally low neutrophil count, to values below 0.5×109/l, although this recovered rapidly when the treatment was stopped. We discuss the difficulties of balancing the risk of neutropenia with a risk of MS relapse.

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