In the case of an overdose, contact your local poison control center or seek emergency medical attention right away.

Side effects following the use of Vinblastine sulfate are dose-related. Therefore, following administration of more than the recommended dose, patients can be expected to experience these effects in an exaggerated fashion. There is no specific antidote. In addition, neurotoxicity similar to that with vincristine sulfate may be observed. Since the major route of excretion may be through the biliary system, toxicity from this drug may be increased when there is hepatic insufficiency.

To obtain up-to-date information about the treatment of overdose, a good resource is your certified Regional Poison Control Center. In managing overdosage, consider the possibility of multiple drug overdoses, interaction among drugs, and unusual drug kinetics. Overdoses of Vinblastine sulfate have been reported rarely.