All perfect praise be to Allaah, the Lord of the worlds. I testify that there is none worthy of worship except Allaah, and that Muhammad, sallallaahu ‘alayhi wa sallam, is His Slave and Messenger.
There are no particular verses that treat schizophrenia - but all Quranic verses are a means of cure.
There are some specific verses used to treat diseases, including the evil eye, magic or any other disease, by means of Ruqyah (Quranic healing).
Allaah Knows best.