II. Classification

  1. Short duration
  2. Trigeminal Autonomic Cephalgia
    1. Headaches similar to Cluster Headache
    2. Unilateral trigeminal distribution symptoms with autonomic features

III. Symptoms

  1. Region
    1. Unilateral orbital, supraorbital or temporal Headache
  2. Characteristics
    1. Stabbing or pulsating pain
  3. Timing
    1. Duration <4 minutes per episode
    2. Recurrs for 3-200 attacks/day
  4. Associated Symptoms (autonomic findings)
    1. Ipsilateral Conjunctival injection
    2. Ipsilateral Lacrimation

IV. Diagnosis

  1. Characteristics: At least 20 or more Headaches meeting the following criteria
    1. Severe to very severe unilateral orbital, supraorbital or temporal pain lasting seconds to 10 minutes
      1. Occurs as single stab or multiple stabs
    2. Headaches at least once daily
    3. At least 2 Headaches last 7 days to 1 year (when untreated)
    4. Headache with at least one of the following ipsilateral autonomic symptoms
      1. Conjunctival injection or Lacrimation
      2. Nasal congestion or Rhinorrhea
      3. Eyelid Edema
      4. Forehead and facial sweating
      5. Miosis or Ptosis
  2. Timing
    1. Episodic
      1. Headaches with pain-free periods >3 month
    2. Chronic
      1. Episodes recur for more than 1 year without remission or with remission <3 month
  3. References
    1. (2018) Cephalgia 38(1):1-211 [PubMed]

V. Differential Diagnosis

VI. Management

  1. No established definitive management
  2. See Cluster Headache for potential management options

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Related Studies

Ontology: SUNCT Syndrome (C1262087)

Definition (NCI) A rare disorder characterized by episodes of short-lasting pain in one eye or one side of the head. The pain attacks are associated with watery eyes, swelling of the eyelids, sweaty forehead, and nasal congestion.
Definition (MSH) A primary headache disorder that is characterized by frequent short-lasting, unilateral, neuralgiform pain attacks in the ocular area, with CONJUNCTIVA fluid-filling and tearing. SUNCT syndrome is usually resistant to treatment.
Concepts Disease or Syndrome (T047)
MSH D050798
Japanese SUNCT症候群, SUNCTショウコウグン
Swedish SUNCT-syndrom
Czech syndrom SUNCT, SUNCT syndrom
Finnish SUNCT-oireyhtymä
English SUNCT Syndrome [Disease/Finding], SUNCT syndrome, SUNCT Syndromes, SUNCT Syndrome, Syndrome, SUNCT, Syndromes, SUNCT
Polish Ból głowy SUNCT, Zespół SUNCT
Hungarian SUNCT syndroma
Norwegian SUNCT-syndrom
Spanish Cefalea Unilateral Neuralgiforme de Breve Duración con Reacción Conjuntival y Lagrimeo, Cefalea neuralgiforme de corta duración con inyección conjuntival y lagrimeo, Síndrome SUNCT
Portuguese Cefaleia de Curta Duração, Unilateral, Neuralgiforme com Hiperemia Conjuntival e Lacrimejamento, Síndroma de SUNCT, Síndrome SUNCT
Dutch SUNCT syndroom
French Syncrome de SUNCT, Céphalée névralgique unilatérale brève avec injection conjonctivale, Syndrome SUNCT
German SUNCT-Syndrom
Italian Cefalea nevralgiforme unilaterale di breve durata con arrossamento oculare e lacrimazione, Sindrome SUNCT