Product image of Haloperidol Richter (Haloperidol) supplied by GNH India

Haloperidol Richter

Active Ingredient:
Haloperidol
Origin:
EU

Haloperidol Richter (Haloperidol)

Haloperidol Richter is an injectable solution containing the antipsychotic agent haloperidol. The product is supplied in a standard concentration for intramuscular administration and is marketed in the European Union as a prescription‑only medication. As a butyrophenone derivative, it acts as a dopamine D2 receptor antagonist and is used under medical supervision for specific psychiatric conditions. It is intended for use by qualified health professionals in acute care settings.

Manufacturer / TM Owner

Gedeon Richter România S.A.

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Indications & Clinical Uses

Haloperidol Richter is indicated for the management of several acute psychiatric conditions where rapid control of symptoms is required.

  • Schizophrenia, particularly acute exacerbations
  • Acute psychotic episodes associated with mood disorders
  • Manic episodes in bipolar disorder when immediate calming is needed
  • Severe agitation or aggression that poses a risk to the patient or others

Side Effects

Side effects of haloperidol injectable solution vary in frequency and severity; they are categorized as common or serious.

Common

  • Drowsiness or sedation
  • Extrapyramidal symptoms (e.g., tremor, rigidity)
  • Dry mouth
  • Orthostatic hypotension

Serious

  • Neuroleptic malignant syndrome
  • Tardive dyskinesia
  • Severe cardiac arrhythmias
  • Hyperprolactinemia with galactorrhea

Precautions & Warnings

When prescribing Haloperidol Richter, clinicians should consider several precautionary measures to minimize risk.

  • Assess cardiovascular status before initiating therapy.
  • Monitor for signs of extrapyramidal reactions, especially in the first few days.
  • Use the lowest effective dose for the shortest duration needed.
  • Evaluate liver and renal function in patients with organ impairment.
  • Exercise caution in patients with a history of seizures or neuroleptic malignant syndrome.

Avoid Interactions

Haloperidol injectable solution can interact with other medications; some combinations should be avoided while others require careful monitoring.

Avoid

  • Other dopamine antagonists or high‑potency antipsychotics
  • Drugs that prolong the QT interval (e.g., certain antiarrhythmics, macrolide antibiotics)
  • CNS depressants such as benzodiazepines in high doses

Use with caution

  • Anticholinergic agents (may mask extrapyramidal symptoms)
  • CYP3A4 inhibitors or inducers affecting haloperidol metabolism
  • Lithium therapy (increased risk of neurotoxicity)

Frequently Asked Questions

Haloperidol Richter is administered by intramuscular injection as an injectable solution.

It is used for acute schizophrenia, acute psychosis, manic episodes in bipolar disorder, and severe agitation requiring rapid symptom control.

Haloperidol acts as a dopamine D2 receptor antagonist, reducing dopaminergic neurotransmission that contributes to psychotic symptoms.

Common side effects include drowsiness, extrapyramidal symptoms such as tremor or rigidity, dry mouth, and orthostatic hypotension.

Serious reactions can include neuroleptic malignant syndrome, tardive dyskinesia, severe cardiac arrhythmias, and hyperprolactinemia with galactorrhea.

Caution is advised because haloperidol can prolong the QT interval; patients with known cardiac arrhythmias should be closely monitored.

Combining haloperidol with other dopamine antagonists or high‑potency antipsychotics is generally avoided due to increased risk of adverse effects.

Clinicians should evaluate hepatic and renal function and may need to adjust the dose or duration in patients with significant organ impairment.

Monitoring should focus on cardiovascular status, extrapyramidal symptoms, and any signs of neuroleptic malignant syndrome.

The pregnancy safety category for haloperidol injectable solution is listed as unknown; it should only be used if the potential benefit justifies the potential risk.

The product should be kept in its original container, protected from light, and stored at controlled room temperature as specified by the manufacturer.

If severe hypotension occurs, the patient should be placed in a supine position, vital signs monitored, and medical assistance provided promptly.

Published by

GNH India Pharmaceuticals Limited

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Last updated:

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