Drug General Information (ID: DDIJ34TI0K)
Drug Name			Enflurane		Drug Info		Droperidol		Drug Info
Drug Type		Small molecule				Small molecule
Therapeutic Class		Anesthetics				Antipsychotic Agents
Structure

Mechanism of Enflurane-Droperidol Interaction (Severity Level: Major)
Increased risk of prolong QT interval Click to Show/Hide Mechanism Graph
Drug Name		Enflurane				Droperidol
Mechanism		Prolong QT interval				Prolong QT interval
Key Mechanism Factor 1
		Factor Name		QT interval
		Factor Description		Long QT syndrome is a heart signaling disorder that can cause a fast, chaotic heartbeat (arrhythmia). Many people may not exhibit symptoms, and usually the condition is detected during routine medical tests. In others, the most common symptoms include: sudden fainting, palpitations, dizziness, seizures, sudden death.
Mechanism Description		Increased risk of prolong QT interval by the combination of Enflurane and Droperidol

Recommended Action
Management		The manufacturer recommends extreme caution if droperidol must be given concomitantly with these agents. The dosage of droperidol should be individualized and titrated to the desired effect. Routine vital sign and ECG monitoring is recommended. When droperidol is used in combination with other drugs that cause CNS and/or respiratory depression, patients should be monitored for potentially excessive or prolonged CNS and respiratory depression.

References
1	Canadian Pharmacists Association.
2	Cerner Multum, Inc. "Australian Product Information.".
3	Cerner Multum, Inc. "UK Summary of Product Characteristics.".
4	Glassman AH, Bigger JT Jr "Antipsychotic drugs: prolonged QTc interval, torsade de pointes, and sudden death." Am J Psychiatry 158 (2001): 1774-82. [PMID: 11691681]
5	Product Information. Inapsine (droperidol). Janssen Pharmaceutica, Titusville, NJ.
6	EMA. European Medicines Agency. European Union "EMA - List of medicines under additional monitoring.".