Standard Care | Moderate Risk

Droperidol (DROLEPTAN droperidol 2.5mg/1mL injection ampoule)

What to know about Droperidol — also sold as DROLEPTAN droperidol 2.5mg/1mL injection ampoule, DROPERIDOL PANPHARMA droperidol 2.5 mg/1 mL solution for injection, ampoule, DROPERIDOL PANPHARMA droperidol 1.25 mg/2.5 mL solution for injection, ampoule: uses, side effects, interactions, and safety considerations for people taking it or caring for someone who is.

Droperidol (brand names: DROLEPTAN droperidol 2.5mg/1mL injection ampoule, DROPERIDOL PANPHARMA droperidol 2.5 mg/1 mL solution for injection, ampoule, DROPERIDOL PANPHARMA droperidol 1.25 mg/2.5 mL solution for injection, ampoule) is classified as Moderate risk (4 risk points) by AllMeds. It is a S4 medication under the TGA in Australia. FDA approved in the United States. Butyrophenone antipsychotic with significant sedation and extrapyramidal effects impacting work capacity.

Key Takeaways

  • TGA Schedule: S4 in Australia
  • Risk level: Moderate (4 points)
  • CNS depressant: May cause sedation, impair driving, and affect work capacity
  • Recommended maximum duration: 7 days

Scheduling and Classification

Jurisdiction Classification Status
Australia (TGA) S4 Not PBS listed
United States (FDA) Rx only FDA approved

Risk Profile

Risk Level Moderate
Risk Points 4
CNS Depressant Yes
Respiratory Risk No
Max Duration 7 days

Butyrophenone antipsychotic with significant sedation and extrapyramidal effects impacting work capacity.

How Droperidol is regulated

Droperidol is overseen by medicines regulators in each country. The rules below explain how it's scheduled, what oversight applies, and what to discuss with your doctor or pharmacist before starting, changing, or stopping this medication.

Work capacity impact: As a CNS depressant, Droperidol may impair driving, operating machinery, and cognitive function. Work capacity certificates should reflect any medication-related restrictions.

Australia TGA / PBS / State Schemes

Classified as S4 under the Therapeutic Goods Administration (TGA).

SIRA best practice guidelines recommend a maximum opioid duration of 7 days for acute pain. Prescribing beyond this requires documented clinical justification and may trigger a Reasonable and Necessary determination.

WorkSafe Victoria Drugs of Dependence Guidelines require monitoring for all S8 opioids. WorkCover QLD Pain Intervention Guidelines recommend multimodal pain management with opioids as a last resort.

United Kingdom NICE / MHRA / FPM

NICE NG193 (Chronic Pain) recommends against initiating opioids for chronic primary pain. The Faculty of Pain Medicine (FPM) Opioids Aware resource recommends structured opioid prescribing with regular review, dose limits, and documented tapering plans.

For personal injury claims in the UK, opioid prescribing duration and dose should be reviewed against NICE and FPM guidelines. Costs may be recoverable as a disbursement in high-value PI claims.

UK drug driving laws (Section 5A Road Traffic Act 2006) set specific limits for prescription drugs that cause impairment. Employers and occupational health advisors should assess fitness to work.

United States FDA / CDC / State WC

FDA approved for use in the United States.

FDA Boxed Warning: WARNING Cases of QT prolongation and/or torsade de pointes have been reported in patients receiving droperidol at doses at or below recommended doses. Some cases have occurred in patients with no known risk factors for QT prolongation and some cases have been fatal. Due to its potential for serious proarrhythmic effects and death, droperidol should be reserved for use in the treatment of patients who fail to show an acceptable response to other adequate treatments, either because of insufficient effectiveness or the inability to achieve an effective dose due to intolerable adverse effects from those drugs (see CONTRAINDICATIONS , WARNINGS , PRECAUTIONS , and ADVERSE REACTIONS ). Cases of QT prolongation and serious arrhythmias (e.g., torsade de pointes) have been reported in patients treated with droperidol. Based on these reports, all patients should undergo a 12-lead ECG prior to administration of droperidol to determine if a prolonged QT interval (i.e., QTc greater than 440 msec for males or 450 msec for females) is present. If there is a prolonged QT interval, droperidol should NOT be administered. For patients in whom the potential benefit of droperidol treatment is felt to outweigh the risks of potentially serious arrhythmias, ECG monitoring should be performed prior to treatment and continued for 2-3 hours after completing treatment to monitor for arrhythmias. Droperidol is contraindicated in patients with known or suspected QT prolongation, including patients with congenital long QT syndrome. Droperidol should be administered with extreme caution to patients who may be at risk for development of prolonged QT syndrome (e.g., congestive heart failure, bradycardia, use of a diuretic, cardiac hypertrophy, hypokalemia, hypomagnesemia, or administration of other drugs known to increase the QT interval). Other risk factors may include age over 65 years, alcohol abuse, and use of agents such as benzodiazepines, volatile anesthetics, and IV opiates. Droperidol should be initiated at a low dose and adjusted upward, with caution, as needed to achieve the desired effect.

The CDC Clinical Practice Guideline for Prescribing Opioids (2022) recommends non-opioid therapies as first-line treatment for pain. When opioids are prescribed, the lowest effective dose should be used for the shortest duration needed.

For workers compensation claims, many states require prior authorization for opioids beyond initial acute prescribing. State drug formularies (e.g. California MTUS, Texas, New York) may restrict or require step therapy before opioid approval.

New Zealand ACC / BPAC NZ / Medsafe

BPAC NZ recommends reassessing opioid therapy at regular intervals and limiting duration. The NZ Opioid Prescribing B-QuiCK Guide provides structured prescribing and tapering protocols.

ACC (Accident Compensation Corporation) covers treatment-related medications for accepted claims. Opioid prescribing beyond guidelines may require ACC clinical review and approval.

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Important: This page is general health information, not personal medical advice. If you have questions about your medication — including starting it, stopping it, changing the dose, or combining it with something else — speak with your doctor or pharmacist. For an emergency or suspected overdose, call your local emergency number or poison information service immediately. Information is drawn from regulator and clinical guideline sources (TGA, FDA, MHRA, NICE, PBS, CDC); see our methodology for details.