HI DONNA I HAVE PPMS IF YOU DO NOT FEEL THAT YOUR  THE DR.S ARE HELPING YOU AND JUST GIVING YOU THE RUN AROUND WITH NO STRAIGHT ANSWER YOU HAVE TO WRITE THING DOWN THAT YOU WANT TO ASK AND DO NOT LET THEM MAKE YOU FEEL YOU DON'T KNOW ANYTHING BECAUSE YOU DO YOU HOLD THE KNOLEDGE TO M.S JUST LIKE THE REST OF US WITH MS.THEY ONLY KNOW WHAT READ WE FEEL IT EMOTIONAL AND PHYCICALY DONT LET THEM MAKE YOU FEEL LIKE YOU KNBOW NOTHING AND THEY KNOW EVERYTHING. THEY MAY KNOW MORE MEDICALY BUT WE HAVE THE M.S I NOT SAYING BE RUDE JUST CONFIDENT IF YOU STILL DON'T GET ANY WERE YOU NEED TO FIND A NEW NUEROLIGIST. I HOPE THIS HELP GOD BLESS  P.S THE LIKE TO GO STERIOD HAPPY WHICH IS NOT TO GOOD (ALOT BY IV ASK THEM ABOUT IT)