Can A Urinary Track Infection Cause Confusion ?

can a urine track infection cause confusion ? ws put on medacation confussion wasgetting worst.DR.decided to do a brain scan.results comes back that there'sa small brain tumbor on the right side.It's very small the name of the tumor ismeningioma.was told by the dr.his confushion isn't caused my the tumbor they say its caused by stress . they say he can't return to his home for he as to go to a nursing home