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Keywords:

  • alopecia;
  • botulinum toxin;
  • nummular;
  • headache;
  • neuralgia

Cephalalgia alopecia is a rare and recently described headache syndrome in which recurrent, burning head and neck pain is associated with hair loss from areas of scalp affected by the pain. We here report the case of a 33-year-old woman with continuous unilateral occipital pain and colocalized alopecia, only responsive to onabotulinumtoxin A injections. We hypothesize whether this clinical phenotype may correspond to either cephalalgia alopecia or nummular headache with trophic changes, conditions that might represent 2 manifestations of the same spectrum of disorders.