Could head trauma (blunt force) cause schizophrenia or any psychiatric disorder?

Yes: While it may not cause schizophrenia per se, head trauma can produce conditions with similar symptoms. Head trauma can cause other symptoms as well. Something known as frontal lobe syndrome can cause problems with impassivity and disinhibition. Often, someone called a neuropsychologist can perform a battery of tests to obtain a better picture of a persons abilities and their deficits.

TBI: Tbi is known to cause a constellation of psychiatric and physical s.Sx please get a brain scan, medical and psych eval also neuropsychological testing.