• Poisoning/overdose


Indications for Flumazenil:

Reversal of benzodiazepine sedative effects in overdose, general anesthesia or conscious sedation.


Overdose: Give dose over 30 seconds by IV infusion. Initially: 0.2mg. After 30 seconds (if needed), 0.3mg. Then 0.5mg at 60 second intervals up to 3mg cumulative dose. Usual range: 1–3mg. If partial response occurs at 3mg cumulative dose, may titrate up to 5mg cumulative dose. Conscious sedation, general anesthesia, resedation: see full labeling.


<1yr: not recommended. 1–17yrs: for reversal of benzodiazepine-induced conscious sedation only. See full labeling.


Patients treated with benzodiazepines for life threatening conditions. Mixed overdose patients when seizures likely (esp. cyclic antidepressants).

Boxed Warning:

Occurrence of seizures.


Monitor for resedation (at least 2hrs), respiratory depression, other residual benzodiazepine effects, seizures. Seizure disorders or risk. Drug or alcohol dependence. Head injury. Panic disorder. Hepatic disease. Counsel on post-procedure period (see full labeling). Labor & delivery: not recommended. Pregnancy (Cat.C). Nursing mothers.

Pharmacologic Class:

Benzodiazepine antagonist.


Avoid use until neuromuscular blockade reversed. Avoid alcohol, sedatives for 18–24hrs after treatment. Potentiates toxicity of cyclic antidepressant or mixed drug overdose.

Adverse Reactions:

Seizures, local reactions, dizziness, increased sweating, headache, blurred vision, GI upset, agitation, benzodiazepine withdrawal syndrome.

How Supplied:

Contact supplier.