What is haldol (haloperidol) used for?

Haldol (haloperidol) is: a neuroleptic. It's principal indication is psychosis.

Haldol (haloperidol): First generation Antipsychotic, mainly for Schizophrenia, also other psychoses such as Major depression with psychosis or Schizoaffective disorder.

Haloperidol...: ...or Haldol is a "first-generation" or "typical" antipsychotic originally developed for schizophrenia, where patients have lost touch with reality, have hallucinations and/or delusions. It is also used for sedation in inpatient psychiatric settings if patients are violent or severely psychotic. It is used much less often than the newer "atypical" drugs although haloperidol is just as effective.