• Chih-Ming Hu, Ya-Ju Lin, Yang-Kai Fan, Shih-Pin Chen, and Tzu-Hsien Lai.
• Department of Neurology, Mackay Memorial Hospital, Taipei, Taiwan.
• J Clin Neurosci. 2010 Oct 1;17(10):1349-51.

AbstractOrgasmic headache (OH) is an "explosive" headache that occurs at orgasm. Historically, it was considered benign with no treatment needed. Reversible cerebral vasoconstriction syndrome (RCVS) refers to a group of disorders characterized by recurrent thunderclap headache (TCH) and multifocal vasoconstriction. Patients who have RCVS often recover completely, but some may have persistent neurological deficits. We report a 34-year-old woman who presented with isolated and recurrent TCH at orgasm, which fulfilled the diagnosis of OH. However, she was post-partum and had recent exposure to ecstasy, making her symptoms highly suggestive of RCVS. Brain magnetic resonance angiography showed segmental vasoconstriction. We concluded that she could be considered to have either OH or RCVS. This patient suggests the theory that OH could be a presentation of RCVS. Given that RCVS is potentially treatable, early recognition by clinicians is vital in order to prevent devastating complications.Copyright 2010 Elsevier Ltd. All rights reserved.

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