My Question Is My Daughter Is Taking Vyvanse 50mg And

my question is my daughter is taking vyvanse 50mg and right now is has a cough and we bought her cough medicine its called Delsym and we are reading the back and it says don't give if they are taking any prescription called monoamine oxidase does vyvanse or any ADHD medicine contain this is it safe to give them this cough medicine over the counter?