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When and How to Take Rufinamide

Some general considerations for those taking rufinamide include the following:
  • It is important to take this medication with food.
  • The tablet and oral suspension (liquid) forms are usually taken by mouth twice a day.
  • The tablets may be broken in half or crushed, if necessary.
  • For the oral suspension:
    • Shake the bottle thoroughly before each use.


    • Measure your prescribed dose using the provided adapter and dosing syringe.


    • See the complete "Instructions for Use" document that comes with your prescription for information on how to use the syringes and how to measure your dose.


    • Keep the bottle tightly closed.


    • Throw away any unused medicine after 90 days of first opening the bottle or after the expiration date, whichever comes first.
  • For the medication to work properly, it must be taken as prescribed. Rufinamide will not work if you stop taking it.

Is There a Generic Version?

Currently, rufinamide is not available in generic form (see Generic Banzel to learn more).

Who Makes Rufinamide?

Rufinamide is made Eisai Co., Ltd.

Available Strengths

Rufinamide tablets come in the following strengths:
  • Rufinamide 200 mg
  • Rufinamide 400 mg.


Rufinamide oral suspension (liquid) comes in the following strength:
  • Banzel 40 mg per 1 mL (orange flavored); does not contain dyes, lactose, or gluten. 


Know the Signs - Concussion Safety

Rufinamide Drug Information

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