I HAD VERTIGO ABUT A YEAR AGAO - VOMITED CONTINUALLY

I HAD VERTIGO ABUT A YEAR AGAO - VOMITED CONTINUALLY UNTIL I HAD THREW UP ANYTHING THAT WAS IN ME EXCEPT MY STOMACH BILE. I STARTED THROWING THAT UP AND FELT LIKE IT WAS BURNING MY THROAT. I WENT TO AN ENT DOCTOR WHO CHECKED IT AND COULD SEE NOTHING BUT SOME SWELLING. MY THROAT WAS NOT SORE AT ALL - HAD NO PAIN WITH IT. HE WHO TOLD ME THAT VOICE REST WAS ALL THAT WOULD HELP ME. HE COULDN'T GIVE ME ANY KIND OF MEDICINE THAT WOULD REACH MY VOICE BOX AND VOICE REST WAS THE ONLY THING THAT WOULD HELP IT. JUST SHUT MY MOUTH.I DID FOR ABOUT A MONTH OR MORE. I AM A PROFESSIONAL SINGER AND THIS HAS BEEN VERY DISTURBING TO ME AS IF I SING VERY MUCH I GET HOARSE AND MY VOICE NEARLY DISAPPEARS. COULD THE BILE HAVE BURNT MY VOICE BOX AND IT IS NOT COMPLETELY WELL FROM THE CONTACT IT HAD ON MY VOICE BOX. I AM PRESENTLY ON VOICE REST AGAIN FROM SINGING LAST WEEK. WONDERING IF YOU COULD GIVE ME ANYMORE INFO ABOUT RECOUPERATING MY PROBLEM?