Chronic migraines can also be caused by lyme disease.  If you have other lyme 
symptoms especially, like joint pain, mental fog, and many others that can be 
found on the web, it might be worth your while to get checked.  

Don't just get a lyme test from your local doc.  These tests are 60-70% false 
negative.  And don't fall for the old 10-day antibiotic treatment.  That won't 
even the toes of the little spirochetes.

EIS will cure lyme eventually.  It may take a few months or even a few years, 
depending on how long you have had the infection.

Dick