I was on Copaxone first and it was not effective for me. I switched to Beta and it has worked well. Last MRI showed no new lesions and the ones I had before that were enhanced were not this time. I'm still having symptoms, though, and the numbness in my right hand/arm will not go away.
Erin, the flu like side effects are only temporary (for most people) and you titrate up to a full dose so as not to have too many flu like reactions. As long as I pre-medicated with Motrin before the shot and then again about 4 hours afterwards I was fine. I'm on a full dose now and only pre-medicate. I don't have to take anything afterwards.
Not having that awful welt-like site reaction and the itching was a blessed relief. And....only having to take the shot every other day is nice, too.