I think i am schitzofrenic?

i have ocd and i always think there is something wrong with me so about three weeks ago i looked up symptoms of schitzofrenia and since then i have been freaking out. i started thinking that maybe everything in life is fake and its all imagination and that maybe other people arent real and im the only one here i just make everything up in my mind i have been terrified of this i usualy dont have these symptoms but now this is all i can think about i dont believe most of the things i think about i know they arent true but then i think how to i know forsure they arent true how are we possible as humans i just need some answers thanks.