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Primary Stabbing Headache
1Division of Neurology, University of British Columbia, 8219-2775, Laurel Street, Vancouver, BC, V5Z 1M9, Canada.
Purpose Of Review:
To provide a comprehensive and updated review of the literature on primary stabbing headache.
Recent Findings:
Changes to the ICHD-3 criteria have resulted in increased sensitivity to capture primary stabbing headache (PSH). According to the ICHD-3, the sharp stabbing pain is no longer restricted to the first division of the trigeminal nerve. Age, gender, and co-morbidities such as migraine seem to influence the prevalence of PSH. Subclassification into monophasic, intermittent, and chronic forms have been proposed in a recent prospective study and may be helpful from a prognostication perspective; however, further studies are required. Secondary etiologies for stabbing headaches are part of the differential diagnosis of primary stabbing headache; therefore, it is reasonable to perform neuroimaging. For severe frequent attacks, indomethacin continues to be considered first line. Other treatment options include COX2 inhibitors and melatonin.
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