Droperidol ( Inapsine )

Droperidol ( Inapsine )


FDA has strengthened the warnings and precautions sections in the labeling for droperidol, a tranquilizer used most often as a premedication for anesthesia, as treatment for nausea after anesthesia, and for sedation of agitated patients. Droperidol has been associated with fatal cardiac arrhythmias. Specific changes to the droperidol labeling include a "black box" warning, the most serious warning for a FDA-approved drug. The new warning is intended to increase the physician's focus on the potential for cardiac arrhythmias during drug administration, and to consider use of alternative medications for patients at high risk for cardiac arrhythmias. Droperidol currently carries a warning about cases of sudden death at high doses (greater than 25 mg) in patients at risk for cardiac arrhythmias. Recent research has shown QT prolongation (delayed recharging of the heart between beats) within minutes after injection of a dose of droperidol at the upper end of the labeled dose range. Prolonged QT is dangerous because it can cause a potentially fatal heart arrhythmia known as torsades de pointes (TdP). In the last year, there have been reports of TdP within or below the currently labeled dose range. There have also been reports of sudden death or other serious cardiac adverse events.FDA will continue to monitor the postmarketing safety data for droperidol to determine if further action is needed.The manufacturer, Akorn Pharmaceuticals, is sending a "Dear Healthcare Professional" letter to physicians, pharmacists, and other healthcare professionals in the U.S. The letter explains the black box warnings and highlights the potential for QT prolongation or torsades when this drug is administered.

Miscellaneous Description:
Sedative; anesthesia adjunct Indications: Premedication for surgery Induction, maintenance in general anesthesia Precautions: Pregnancy category C; has been used to promote analgesia for cesarean sections without affecting respiration of the newborn Elderly, cardiovascular disease, renal disease, liver disease, Parkinson’s disease Children < age 2 Adverse Reactions (Side Effects): CNS: akathisia, chills, dizziness, drowsiness, dystonia, hallucinations, shivering CV: hypertension, hypotension, tachycardia EENT: ocular crisis MS: muscular rigidity RESP: apnea, bronchospasm, respiratory arrest, respiratory depression.

Administered intravenously and intramuscularly Adult: Adjunct to general anesthesia: IV 2.5mg/10kg given with analgesic or general anesthetic Premedication for surgery: IM 2.5-10mg 30-60 minutes preoperatively Maintaining general anesthesia: IV 1.25-2.5mg Child: Adjunct to general anesthesia: IV 1-1.5mg/10kg titrate to response needed Premedication for surgery: IM 1-1.5mg/10kg 30-60 minutes preoperatively.



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