... when my left eye kept closing. I have been on Pyridostigmine and they recently added Azathioprine with no better results. I just went through 5 days of IVIG week before last and that didn't help either. I just keep getting weaker but what has my doctors really confused is my extremely serious loss of balance. They keep saying there must be something else because weakness, not balance, is the issue with MG. Like I said - they say there must be something else going on but have yet done anything to even begin exploring what that might me. To be honest, I'm scared