Which medications in the drug class Neuromuscular Blocker, Botulinum Toxins are used in the treatment of Migraine Headache?

Updated: Oct 21, 2019
  • Author: Jasvinder Chawla, MD, MBA; Chief Editor: Helmi L Lutsep, MD  more...
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Answer

Neuromuscular Blocker, Botulinum Toxins

Injections of botulinum toxin A may be beneficial in patients with intractable migraine headaches that fail to respond to at least 3 conventional preventive medications. This agent is not recommended for use in the preventive treatment of episodic migraines.

OnabotulinumtoxinA (Botox)

One of several toxins produced by Clostridium botulinum, onabotulinumtoxinA blocks neuromuscular transmission. Injections of the drug, which are administered to the scalp and temple, may reduce the frequency and severity of migraine attacks after 2-3 months of injections. This agent is FDA approved for the prophylaxis of chronic migraine headaches.


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