👤 By the CinnaRN Clinical Content Team🕐 Updated 2026-08-23🏷️ Pharmacological Therapies🔖 Free to read, print, and share
Also known as: Haldol · typical antipsychotic · first-generation antipsychotic · high-potency neuroleptic
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Use this quick-reference guide to spot, treat, and prevent Haloperidol on the NCLEX. Keep it handy during review and on exam day!
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📒 The 1-minute cheat sheet
📌 Uses
Schizophrenia, acute psychosis
D2 receptor blocker
📌 Eps
Acute dystonia → give benztropine
Akathisia, pseudoparkinsonism
Tardive dyskinesia → irreversible
🚩 Report
NMS: fever, rigidity, ↑CK
Hold drug, cool, dantrolene
Prolonged QT → torsades
🎓 Teach
Sun protection, photosensitive
Anticholinergic: dry mouth, constipation
📚 Haloperidol — full study notes
The cheat sheet above is your quick recall card. These notes go deeper — what it is, what to do first, what must be reported, and what to teach.
Haloperidol is a high-potency first-generation (typical) antipsychotic used for schizophrenia, acute psychosis, and agitation. Because it strongly blocks dopamine, it causes prominent extrapyramidal symptoms (EPS) and carries the risk of neuroleptic malignant syndrome (NMS) and tardive dyskinesia. A long-acting decanoate IM form supports adherence. Memory aid: high-potency = high EPS.
Acute dystonia (oculogyric crisis, laryngospasm) - treat immediately with anticholinergic.
Tardive dyskinesia (involuntary tongue/face movements) - report; may be irreversible.
Prolonged QT or dysrhythmia.
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Labs & values
Numbers to know
CK/CPK (markedly elevated in neuroleptic malignant syndrome)
WBC (monitor; agranulocytosis is rare)
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Patient teaching
What patients must know
Report muscle stiffness, high fever, and confusion immediately - this can be a medical emergency.
Report any uncontrollable movements of the face, tongue, or limbs.
Rise slowly to avoid dizziness and use sun protection due to photosensitivity.
Do not stop the medication abruptly; keep follow-up appointments for movement assessments.
❓ Haloperidol: NCLEX FAQs
What are the priority nursing interventions for Haloperidol?
Monitor for and recognize EPS early; have anticholinergic rescue medication available for acute dystonia. Assess for NMS (fever, rigidity, elevated CK) and stop the drug if suspected. Perform AIMS assessment for tardive dyskinesia at regular intervals. Monitor ECG/QT interval and vital signs.
What are the warning signs of Haloperidol a nurse must report?
Neuroleptic malignant syndrome: hyperthermia, lead-pipe rigidity, altered consciousness, autonomic instability - stop drug, emergency. Acute dystonia (oculogyric crisis, laryngospasm) - treat immediately with anticholinergic. Tardive dyskinesia (involuntary tongue/face movements) - report; may be irreversible. Prolonged QT or dysrhythmia.
What do I need to know about Haloperidol for the NCLEX?
Causes extrapyramidal symptoms: acute dystonia, akathisia, pseudoparkinsonism, and (long-term) tardive dyskinesia. Neuroleptic malignant syndrome (NMS) is a life-threatening reaction: high fever, muscle rigidity, altered mental status, autonomic instability. Can prolong the QT interval; monitor ECG, especially with IV use. Anticholinergic agents (benztropine, diphenhydramine) treat acute dystonic reactions and EPS.
What patient teaching is important for Haloperidol?
Report muscle stiffness, high fever, and confusion immediately - this can be a medical emergency. Report any uncontrollable movements of the face, tongue, or limbs. Rise slowly to avoid dizziness and use sun protection due to photosensitivity. Do not stop the medication abruptly; keep follow-up appointments for movement assessments.