Botox was approved by FDA for the treatment of chronic migraines in early October 2010. In injectable form Botox is called onabotulinumtoxin A. How Botox works for Migraines? Botox has capability to block release of certain brain chemicals including acetylcholine. It also blocks movement of certain muscles and nerves. Though it’s still how Botox exactly reduces stiffness … [Read more...] about Botox for Migraine Control-It Really Works!