Cefaly is the first FDA-approved external trigeminal nerve stimulation (e-TNS) device for the prevention of migraine attacks. The device was approved for migraine prevention by the FDA in 2014, and in November 2017, it was approved to be used during a migraine attack with or without aura. There are three Cefaly products available to migraine patients with a medical prescription: Cefaly PREVENT, Cefaly ACUTE, and Cefaly DUAL. The PREVENT device is a 20-minute prophylactic treatment, while the ACUTE device is a 60-minute treatment that can help rescue a migraine in progress. The DUAL device combines both the PREVENT and the ACUTE treatments.
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