new warnings not to use high doses of IV ondansetron due to the risk of QT prolongation
September 2012
You'll hear new warnings not to use high doses of IV ondansetron due to the risk of QT prolongation.
The max recommended single IV dose is now 16 mg instead of 32 mg.
This is similar to recent concerns about QT prolongation with higher doses of IV dolasetron (Anzemet). IV dolasetron is no longer approved for use for chemo-induced nausea and vomiting.
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