Can you tell me what to expect with someone who has tried haldol, (haloperidol) haliperidol?

Helps for paranoia: Haldol or the generic name haloperidol is used for the treatment of psychotic symptoms including delusions such as paranoia ; hallucinations. A person may experience no side effects, if taken properly. However, the drug may cause sedation, fatigue ; cognitive dulling. Other side effects include muscle stiffness, tremors, ; restlessness. If a person has fever ; severe rigidity, then go to an er.