There is very limited experience of acute overdose in humans with Flumazenil.
There is no specific antidote for overdose with Flumazenil. Treatment of an overdose with Flumazenil should consist of general supportive measures including monitoring of vital signs and observation of the clinical status of the patient.
Even when given at doses exceeding those recommended, no symptoms of overdosage were observed. For withdrawal symptoms attributable to the agonist, see Precautions.