Ask her.
EXAMPLE:
Mom: "Francie, the doctor thinks you might need medicine to help your brain help you behave at school. Do you think you might need medicine to help your brain help you behave at school?"
Francie: "Yes, but I don't think it will work on my BRAIN! My brain is CRACKED!"(Begins to screech like monkey and runs out of room.)
Okay . . . .