26 citations
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April 2006 in “Cephalalgia” Botulinum A toxin injections reduced pain and promoted hair regrowth in a woman with a rare form of alopecia areata.
19 citations
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March 2013 in “Headache The Journal of Head and Face Pain” A woman's headache and hair loss were relieved by Botox injections.
19 citations
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October 2013 in “Headache: The Journal of Head and Face Pain” The document concludes that inhalation of oxygen and sumatriptan injections are primary for cluster headaches, indomethacin for paroxysmal hemicrania, and lidocaine and lamotrigine for SUNCT, but SUNCT often resists treatment.
January 2017 in “DOAJ (DOAJ: Directory of Open Access Journals)” Botulinum toxin type A did not help regrow hair in severe alopecia cases.