Headache and Osmophobia in Gas Station Workers Exposed to Gasoline Odor.

Introduction: Headache attacks may be triggered by several factors, among them odors, especially in migraine patients.

Objectives: The aim of this study wasto determine the association between gasoline odor and headache attacks in patients with migraine or tension-type headache (TTH).

Subjects And Methods: The study was prospective, cross-sectional, with comparison of groups, using nonrandom sample and convenience.