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General Medication Fact Sheet for Haloperidol
| Field | Information |
|---|---|
| Generic Name | Haloperidol |
| Brand Name Versions | Haldol |
| Boxed/Label Warning | Elderly patients with dementia-related psychosis treated with antipsychotic drugs are at an increased risk of death. Haloperidol is not approved for treating dementia-related psychosis. |
| Purpose | Antipsychotic medication used to treat schizophrenia, Tourette’s disorder, and other psychotic disorders |
| Mechanism of Action | Blocks dopamine D2 receptors in the brain |
| Dosage Forms | Oral tablets, oral solution, injectable solution |
| Available Strengths | 0.5 mg, 1 mg, 2 mg, 5 mg, 10 mg, 20 mg |
| Dosage Frequency | Typically 2-3 times daily, or as directed by a healthcare provider |
| Common Side Effects | Drowsiness, dizziness, muscle stiffness, restlessness, blurred vision, dry mouth |
| Serious Side Effects | Tardive dyskinesia (uncontrollable muscle movements), neuroleptic malignant syndrome (NMS), QT prolongation, seizures |
| Drug Interactions | Other antipsychotics, antidepressants (SSRIs, TCAs), anti-anxiety medications, opioid pain relievers, medications that affect heart rhythm (e.g., quinidine, amiodarone) |
| Important Notes | Avoid alcohol; may impair thinking or reactions; use caution when driving or operating machinery; consult a doctor if you experience muscle stiffness, fever, sweating, or irregular heartbeat |
| Storage | Store at room temperature away from moisture and light |
| Missed Dose | Take as soon as you remember; skip if it’s almost time for your next dose. Do not double the dose. |
| Alternatives | Risperidone, Quetiapine, Aripiprazole, Olanzapine |
Haloperidol Alternatives
| Medication | Mechanism of Action | Notes |
|---|---|---|
| Risperidone (Risperdal) | Blocks dopamine and serotonin receptors | Atypical antipsychotic, often used as a first-line treatment. |
| Quetiapine (Seroquel) | Blocks dopamine and serotonin receptors | Atypical antipsychotic, known for its sedative effects. |
| Aripiprazole (Abilify) | Partial dopamine and serotonin agonist | Atypical antipsychotic, may have a lower risk of weight gain. |
| Olanzapine (Zyprexa) | Blocks dopamine and serotonin receptors | Atypical antipsychotic, effective but may cause weight gain and metabolic changes. |
Haloperidol Side Effects
| Common Side Effects | Serious Side Effects |
|---|---|
| Drowsiness | Tardive dyskinesia (uncontrollable muscle movements) |
| Dizziness | Neuroleptic malignant syndrome (NMS) |
| Muscle stiffness | QT prolongation |
| Restlessness | Seizures |
| Blurred vision | Irregular heartbeat |
| Dry mouth | Difficulty breathing |
Haloperidol Dosage Guide
| Condition | Starting Dose | Maintenance Dose | Administration Notes |
|---|---|---|---|
| Schizophrenia | 0.5-2 mg | 3-20 mg daily (in divided doses) | Dosage varies widely; adjust based on individual response and tolerability. |
| Tourette’s Disorder | 0.5-1 mg | 2-4 mg daily (in divided doses) | Use lowest effective dose; monitor for side effects. |
| Psychotic Disorders | 0.5-2 mg | Varies depending on the condition and severity | Individualized treatment is essential; consult a healthcare professional. |
Haloperidol Price With And Without Insurance
| Purchase Context | Estimated Price |
|---|---|
| With Insurance | $10 |
| Without Insurance (U.S.) | $25 |
| From CPS | $21 |
