MY 12 YEAR OLD SON WAS ON ADDERALL FOR THE PAST 6 YEARS. THREE MONTHS AGO WE SWITCHED HIM TO VYVANCE 50 MG, THEN ABOUT TWO MONTHS AGO WE PUT HIM ON 70 MG. AFTER ABOUT ONE MONTH ON VYVANCE WE NOTICED EYE BLINKING. WE TOOF HIM OFF OF THE MEDICINE AND HE HAS BEEN OFF FOR ABOUT 1 1/2 WEEKS NOW. HE STILL HAS THE EYE BLINKING. WE NEVER NOTICED THIS WITH ADDERALL. HE ALSO TAKES CLONIDINE, LEXAPRO, SULFSALIZNE FOR COLITIS AND HE GETS ALLERGYSHOTS AND TAKE LORATIDINE FOR ALLERGIES. HELP PLEASE, WILL THIS GO AWAY COULD THIS BE A START OF TOURETTES I AM SCARED AND HE IS TIRED OF BEING ON MEDICINE AND WE ARE TRYING SO HARD TO GET THROUGH THIS WITHOUT MAKING A BIG DEAL ABOUT IT ESPECIALLY WITH HIM IN SCHOOL.