Botox injections have been shown to help reduce the pain associated with migraine headaches. 

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In a study of adults who get chronic migraines, shots of Botox reduced the total number of days they had them or other types of headaches. They also reported have more "crystal-clear," or pain-free days each month and reported fewer days off work.

 

Much like spinal cord stimulation, Botox blocks the chemicals that carry pain signals to your brain.