Trigeminal Autonomic Cephalalgias

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16 Scopus citations


The trigeminal autonomic cephalalgias (TACs) are a group of primary headache syndromes all marked by headache and associated autonomic features. The TACs include cluster headache, paroxysmal hemicrania, hemicrania continua, and short-lasting unilateral neuralgiform headache attacks with conjunctival injection and tearing syndrome. Diagnosis is made after looking at headache frequency, duration, and accompanying symptoms. Each TAC has its own unique treatment modality, which is discussed in depth.

Original languageEnglish (US)
Pages (from-to)537-556
Number of pages20
JournalNeurologic clinics
Issue number2
StatePublished - May 2009


  • Cluster headache
  • Hemicrania continua
  • Indomethacin
  • Paroxysmal hemicrania
  • SUNCT syndrome
  • Trigeminal autonomic cephalalgias

ASJC Scopus subject areas

  • Clinical Neurology


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