Treatment of medication-overuse headache (MOH)
Botulinum toxin – perhaps best known as Botox for wrinkles – is also used as a medical treatment for chronic migraine. By injecting small amounts into 31 points around the head, neck, and shoulders, pain signals that would otherwise trigger a migraine attack are blocked. The treatment takes approximately 10 minutes and can be repeated every 3–4 months if effective.

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