Hi Doctor.I Am 25 Years Old Femal.doctor I Feel Like

Hi doctor.I am 25 years old femal.doctor i feel like i am suffering muliple pesonality disorder.sometimes i behave like someone else.and i cnt control myself in that situation iam living in a dreamy world.I used to write so sometime I live like that characters.the main thing is personlitiew switiching.im not able to identify this eariler but now i feel something wrong is happening i cret an imaginery world and live like that imaginary character sir what is the solution for this.im really sacred. I CNT open up with my parents.everyone think that I'm a fake person.but sir I swear i never did this intebtionly.plz give mea solution