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Review
. 2019 May 22:2019:6216745.
doi: 10.1155/2019/6216745. eCollection 2019.

The Effects of Various Essential Oils on Epilepsy and Acute Seizure: A Systematic Review

Tyler A Bahr  1   2 , Damian Rodriguez  1 , Cody Beaumont  1 , Kathryn Allred  1
Affiliations
Review

The Effects of Various Essential Oils on Epilepsy and Acute Seizure: A Systematic Review

Tyler A Bahr et al. Evid Based Complement Alternat Med. .

Abstract

Many essential oils (EOs) have anticonvulsant activity and might benefit people with epilepsy. Lemongrass, lavender, clove, dill, and other EOs containing constituents such as asarone, carvone, citral, eugenol, or linalool are good candidates for evaluation as antiepileptic drugs. On the other hand, some EOs have convulsant effects and may trigger seizures in both epileptic and healthy individuals. Internal use of EOs like sage, hyssop, rosemary, camphor, pennyroyal, eucalyptus, cedar, thuja, and fennel can cause epileptic seizures because they contain thujone, 1,8-cineole, camphor, or pinocamphone, which have been identified as convulsive agents. While more research is needed to confirm their mechanisms of action, it appears that the convulsant or anticonvulsant properties of essential oils are largely due to (1) their ability to modulate the GABAergic system of neurotransmission and (2) their capacity to alter ionic currents through ion channels. This review presents a systematic analysis of the current research on EOs and epilepsy, including human case studies, animal models, and in vitro studies.

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