Triggered Migraine Attack by Flickering Fluorescent Lights in an Assembly Line Worker: A Case Report
Abstract
Migraine is a prevalent neurological disorder often exacerbated by environmental triggers, including visual stimuli like flickering lights, posing unique challenges in occupational settings such as factories. We describe a 32-year-old male assembly line worker with a history of episodic migraine without aura who experienced a sudden-onset unilateral headache, nausea, and photophobia while exposed to flickering fluorescent overhead lighting during a routine shift. He reported no recent alcohol or caffeine overuse, or medication changes, and denied trauma or infections. Clinical examination was unremarkable, with no neurological deficits, fever, or meningeal signs. The episode resolved completely within four hours after relocation to a quiet, darkened break area for rest, without pharmacological intervention. No diagnostic tests or imaging were pursued, given his established migraine diagnosis and clear temporal link to the trigger. Follow-up at one and three months confirmed no recurrence with workplace accommodations, including light filters and shift adjustments. This case highlights the role of artificial lighting as a preventable occupational trigger for migraine, emphasizing the need for environmental assessments in industrial environments to reduce absenteeism and improve worker well-being. Early recognition and simple modifications can avert acute attacks, underscoring occupational health's importance in managing chronic conditions like migraine.
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