Felbamate (By Mouth)

Felbamate (FEL-ba-mate)

Used alone or with other medicines to control seizures. Also given to children with a type of epilepsy called Lennox-Gastaut syndrome. Belongs to a class of drugs called anticonvulsants.

Brand Name(s):

Felbatol
There may be other brand names for this medicine.

When This Medicine Should Not Be Used:

You should not use this medicine if you have had an allergic reaction to felbamate or to related medicines such as such as methocarbamol (Robaxin®) or meprobamate (Equagesic®). You should not use this medicine if you have ever had liver disease or blood disorders.

How to Use This Medicine:

Tablet, Liquid

• Your doctor will tell you how much to take and how often.
• May be taken with food to avoid stomach upset.
• Shake the oral liquid well before using. Carefully measure the dose using a measuring spoon or medicine cup.

If a dose is missed:

• Take your medicine as soon as you remember that you have missed your dose.
• You should not use two doses at the same time, unless directed by your doctor.
• If you miss two or more doses, call your doctor.

How to Store and Dispose of This Medicine:

• Keep this medicine in its original tightly closed container at room temperature, away from heat, direct light, and moisture. Do not freeze the oral liquid.
• Keep all medicine out of the reach of children.

Drugs and Foods to Avoid:

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

• Be sure that your doctor knows about all other medicines you are using to treat or prevent seizures.

Warnings While Using This Medicine:

• Felbamate has caused a few cases of a serious blood disorder called aplastic anemia and a few cases of liver failure. Talk to your doctor about these risks.
• If you are pregnant or breastfeeding, talk to your doctor before using this medicine.
• Make sure your doctor knows if you have liver or kidney disease or a history of blood problems.
• Because of the risk of increased seizures, do not suddenly stop taking this medicine without first checking with your doctor.
• This medicine may cause drowsiness. Be careful when driving or using dangerous machinery.

Possible Side Effects While Using This Medicine:

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

• Fainting
• Fast or irregular heartbeat
• Loss of seizure control
• Skin rash, hives, or itching
• Swelling in face, throat, or lips
• Unusual bleeding or bruising
• Unusual tiredness or weakness
• Wheezing or trouble breathing
• Yellow eyes or skin

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

• Constipation
• Drowsiness or dizziness
• Fever
• Headache
• Loss of appetite, nausea, or vomiting
• Trouble sleeping, nervousness

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