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Clobazam (By mouth)

Clobazam (KLOE-ba-zam)

This medicine is a benzodiazepine used to treat seizures from Lennox-Gastaut syndrome (LGS).

Brand Name(s):

Onfi

There may be other brand names for this medicine.

When This Medicine Should Not Be Used:

This medicine is not right for everyone. Do not use it if you had an allergic reaction to clobazam.

How to Use This Medicine:

Liquid, Tablet

  • Take your medicine as directed. Your dose may need to be changed several times to find what works best for you.
  • Tablet: Swallow the tablet whole, or crush it and mix it in applesauce.
  • Oral liquid: Shake the bottle before each dose. Use the bottle adapter and dosing syringe in the package to measure the right dose. Wash the syringe, barrel, and plunger after each use, and allow the parts to air dry. Do not put the syringe in the dishwasher.
  • This medicine should come with a Medication Guide. Ask your pharmacist for a copy if you do not have one.
  • Missed dose: Take a dose as soon as you remember. If it is almost time for your next dose, wait until then and take a regular dose. Do not take extra medicine to make up for a missed dose.
  • Store the medicine in a closed container at room temperature, away from heat, moisture, and direct light. Store the syringe with the adapter in place.
  • Ask your pharmacist, doctor, or health caregiver about the best way to dispose of any outdated medicine or medicine no longer needed.Throw away any unused oral liquid 90 days after you open the bottle.

Drugs and Foods to Avoid:

Ask your doctor or pharmacist before using any other medicine, including over-the-counter medicines, vitamins, and herbal products.

  • Some medicines and foods can affect how clobazam works. Tell your doctor if you are taking any of the following:
    • Birth control pills
    • Fluconazole
    • Fluvoxamine
    • Omeprazole
    • Ticlopidine
  • Tell your doctor if you drink alcohol or if you are using any medicine that makes you sleepy, such as allergy medicine or narcotic pain medicine.
  • Do not drink alcohol while you are using this medicine.

Warnings While Using This Medicine:

  • Tell your doctor if you are pregnant or breastfeeding, if you have liver disease, or if you have a history of depression or a mood disorder. Tell your doctor if you have been addicted to alcohol or drugs.
  • This medicine may make you dizzy, drowsy, or less alert. Do not drive or use machines until you know how this medicine affects you.
  • Birth control pills may not work as well as usual while you take this medicine. Use another form of birth control together with your birth control pills while you take this medicine and for 28 days after your last dose.
  • Do not stop using this medicine suddenly. Your doctor will need to slowly decrease your dose before you stop it completely.
  • This medicine can be habit-forming. Do not use more than your prescribed dose. Call your doctor if you think your medicine is not working.
  • Your doctor will check your progress and the effects of this medicine at regular visits. Keep all appointments.
  • Keep all medicine out of the reach of children. Never share your medicine with anyone.

Possible Side Effects While Using This Medicine:

Call your doctor right away if you notice any of these side effects:

  • Allergic reaction: Itching or hives, swelling in your face or hands, swelling or tingling in your mouth or throat, chest tightness, trouble breathing
  • Blistering, peeling, red skin rash
  • Confusion or unusual excitement, nervousness, or irritability
  • Depression, anxiety, irritability, hallucinations, trouble sleeping, unusual behavior, thoughts of hurting yourself or others

If you notice these less serious side effects, talk with your doctor:

  • Constipation, vomiting
  • Dizziness, drowsiness, sleepiness
  • Drooling
  • Trouble speaking or problems with muscle control

If you notice other side effects that you think are caused by this medicine, tell your doctor

Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088


Last Updated: 4/4/2014

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