Case Report

Chronic Cluster Headache with an Atypical Presentation and Treatment Response

Table 1

Summary of treatment options in CH [46].

MedicationsLevel of evidenceLineDosage

Acute treatmentOxygenAFirst line100% oxygen 12/15 L/min
Sumatriptan scAFirst line6 mg
Sumatriptan inBFirst line20 mg
Zolmitriptan inAFirst line5–10 mg

Transitional treatmentPrednisoneCFirst line60–100 mg
Occipital nerve blockBFirst lineMethylprednisolone slow-release, cortivazol (3.75 mg in 1.5 mL saline), plus lidocaine
DihydroergotamineCAlternative1 mg sc/im

Prophylactic treatmentVerapamilBFirst line360 mg/day (240–960)
LithiumCFirst line900 mg/day (600–1200)
Valproic acidCSecond line500–2000 mg/day
TopiramateBSecond line50–200 mg/day
BaclofenCSecond line15–30 mg/day
MelatoninCAlternative10 mg/day

sc: subcutaneous; im: intramuscular; level of evidence: A, data derived from multiple randomized clinical trials or meta-analyses; B, data derived from a single randomized clinical trial or large nonrandomized studies; C, consensus of opinion of the experts and/or small studies, retrospective studies, and registries.