ROMAZICON® (flumazenil) is a benzodiazepine receptor antagonist. Chemically,
flumazenil is ethyl 8-fluoro-5,6-dihydro-5-methyl-6-oxo-4H-imidazo[1,5-a](1,4)
benzodiazepine-3-carboxylate. Flumazenil has an imidazobenzodiazepine structure,
a calculated molecular weight of 303.3, and the following structural formula:
Flumazenil is a white to off-white crystalline compound with an octanol:buffer partition coefficient of 14 to 1 at pH 7.4. It is insoluble in water but slightly soluble in acidic aqueous solutions. ROMAZICON (flumazenil) is available as a sterile parenteral dosage form for intravenous administration. Each mL contains 0.1 mg of flumazenil compounded with 1.8 mg of methylparaben, 0.2 mg of propylparaben, 0.9% sodium chloride, 0.01% edetate disodium, and 0.01% acetic acid; the pH is adjusted to approximately 4 with hydrochloric acid and/or, if necessary, sodium hydroxide.
What are the possible side effects of flumazenil (Romazicon)?
Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat.
Call your doctor at once if you have any of these serious side effects:
- seizures (convulsions);
- weak or shallow breathing;
- continued drowsiness for longer than 2 hours after receiving flumazenil;
- confusion, fear, panic attack; or
- fast or uneven heart rate.
Less serious side effects include:
- pain or irritation where the medicine was...
Read All Potential Side Effects and See Pictures of Romazicon »
Last reviewed on RxList: 10/23/2007
This monograph has been modified to include the generic and brand name in many instances.