Injection 100mg/5ml

Injection 500micrograms/5ml

Flumazenil should only be administered by, or under the direct supervision of, personnel experienced in its use.

Injection 400micrograms/1ml
Pre-filled syringe 2mg/2ml

Doses used in acute opioid overdose may not be appropriate when there is risk of acute withdrawal (e.g. chronic opioid use), or when a continued therapeutic effect is required (e.g. postoperative use, palliative care).