Here's a thought. What if Effexor is causing migraines?What if I have chronic migraines that LOOK like FM and CFIDS?The cycling between not able to sleep and not able to stay awake - what does that mean?(is it just that vicodin jacks me up - or something else associated wtih the imitrex or the migraines?)What would happen if I tried to wean off Effexor?  I have two months where I don't have to work so I could try it.