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  • Generic Name: (felbamate)
    Other Brands: Felbatol
  • Last Revised: 12/2013
    • What is this medication and its most common uses?

      Felbatol is a medicine used alone or with other seizure medicines to treat certain types of seizures. Felbatol should only be used when other seizure medications have failed to work.

    • What should I know when beginning and continuing on this medication?

      Felbatol may only be available under special restricted circumstances. Felbatol may only be used after you have taken other seizure medications that have failed to treat your seizures properly and when your healthcare provider decides this medication is appropriate for you. Once your healthcare provider explains the risks of Felbatol to you, you must sign an acknowledgement form.

      How does this medication work?

      Felbatol is thought to work by preventing the spread of seizures in the brain while keeping electrical signals in balance within the brain.

      What are the beneficial effects of this medication and when should I begin to have results?

      What: Felbatol has been shown to be effective in treating certain types of seizures when used alone or with other seizure medications.

      When: Everyone responds differently to treatment, so try to be patient and follow your healthcare provider's directions. It is important that you take Felbatol exactly as your healthcare provider has prescribed.

      How do I know it is working?

      Your healthcare provider may ask you questions from time to time that will help assess how well your symptoms are controlled with treatment. You may also notice a decrease in the number of seizures you normally experience.

    • What are the possible side effects of this medication?

      The following is not a full list of side effects. Side effects cannot be anticipated. If any develop or change in intensity, tell your healthcare provider as soon as possible. Only your healthcare provider can determine if it is safe for you to continue taking this medication.

      Felbatol may cause serious, life-threatening damage to the blood cells in the bone marrow. This can lead to a decrease in red blood cells, white blood cells, and platelets (a type of blood cells that form clots to help stop bleeding). Tell your healthcare provider right away if you experience fever, sore throat, or other infections that do not go away; frequent infections or an infection that does not go away; easy bruising; red or purple spots on your body; bleeding gums or nosebleeds; or extreme tiredness and weakness.

      Felbatol can cause serious, life-threatening liver damage. Tell your healthcare provider right away if you have symptoms such as dark urine, loss of appetite, feelings of tiredness, pain on the right side of your stomach, nausea, vomiting, or yellowing of your skin or the whites of your eyes. Your healthcare provider may perform blood tests to check your liver function.

      More common side effects may include: weight loss, vomiting, trouble sleeping, nausea, dizziness, sleepiness, headache, double vision, changes in the way that food tastes.

      Less common side effects may include:

      Increased suicidal thoughts or actions, with symptoms such as having thoughts about suicide or dying; attempts to commit suicide; new or worse depression, anxiety, or irritability; feeling agitated or restless; panic attacks; trouble sleeping; acting aggressive or being angry or violent; acting on dangerous impulses; an extreme increase in activity and talking; or other unusual changes in your behavior or mood.

    • Who should not take this medication?

      Do not take Felbatol if you are allergic to it or to any of its ingredients.

      Do not take Felbatol if you have liver problems.

      Do not take Felbatol if you have any type of blood disorder.

    • What should I tell my healthcare provider before I take the first dose of this medication?

      Tell your healthcare provider about all prescription, over-the-counter, and herbal medications you are taking before beginning treatment with Felbatol. Also, talk to your healthcare provider about your complete medical history, especially if you have depression, mood problems, or suicidal thoughts or behaviors; have liver or kidney problems; have a blood disorder; or if you are pregnant, plan to become pregnant, or are breastfeeding.

    • What is the usual dosage?

      The information below is based on the dosage guidelines your healthcare provider uses. Depending on your condition and medical history, your healthcare provider may prescribe a different regimen. Do not change the dosage or stop taking your medication without your healthcare provider's approval.

      Adults and adolescents ≥14 years: The usual starting dose is 1200 milligrams a day, taken in divided doses three to four times a day. Your healthcare provider may increase your dose as needed, until the desired effect is achieved.

      Children 2-14 years: Your healthcare provider will prescribe the appropriate dose for your child, based on his/her body weight and the type and severity of his/her seizures.

      If you or your child has kidney impairment, your healthcare provider may adjust the dose appropriately.

      It is important that you do not stop taking this medication abruptly. If you need to change or stop taking this medication, it is important that you only do this with the guidance of your healthcare provider.

    • How should I take this medication?

      Take Felbatol exactly as prescribed by your healthcare provider. Do not change your dose or stop taking Felbatol without first talking to your healthcare provider.

      Felbatol oral suspension should be shaken before use.

    • What should I avoid while taking this medication?

      Do not drink alcohol or take other medicines that make you sleepy or dizzy while taking Felbatol, until you talk to your healthcare provider.

    • What are the possible food and drug interactions associated with this medication?

      If Felbatol is taken with certain other drugs, the effects of either could be increased, decreased, or altered. It is especially important to check with your healthcare provider before combining Felbatol with the following: carbamazepine, phenobarbital, phenytoin, and valproic acid.

    • May I receive this medication if I am pregnant or breastfeeding?

      Felbatol may harm your unborn baby if taken during pregnancy. Felbatol can be found in your breast milk if you take it while breastfeeding. Tell your healthcare provider immediately if you are pregnant, plan to become pregnant, or are breastfeeding.

      If you become pregnant while taking Felbatol, talk to your healthcare provider about registering with the North American Antiepileptic Drug (NAAED) Pregnancy Registry. The purpose of this registry is to collect information about the safety of seizure medicines during pregnancy.

    • What should I do if I miss a dose of this medication?

      If you miss a dose of Felbatol, take it as soon as you remember. However, if it is almost time for your next dose, skip the one you missed and return to your regular dosing schedule. Do not take two doses at once.

    • How should I store this medication?

      Store at room temperature.

    • Who should I contact in case of emergency or overdose?
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      In the event of a medical emergency call your doctor or 9-1-1 immediately. In the event of overdose, call your doctor or poison control for further instructions.
      National Poison Control#: Call 1-800-222-1222

      This PDR+ drug information has been developed by the Physicians’ Desk Reference Network (PDRN), a source of medication information trusted by doctors for over 65 years.

      This monograph summarizes the most important information about your medication and does not cover all the information you may need. If you have any questions or concerns or want to learn more about your medication, ask your healthcare provider; he/she will be able to provide answers to your questions. This medication should only be used by the patient for whom it was prescribed and should not be shared with other people.
    • Additional patient resources.
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