Felbamate is used on its own to treat epilepsy (seizures or fits) or together with other medicines to treat epilepsy associated with Lennox-Gaustaut syndrome (epilepsy in children).
Take Felbamate exactly as directed by your doctor or according to the instructions on the label. Do not take more than instructed by your doctor.
You may take this medicine with or without food. Try to take it at the same time each day.
Felbamate is available as a tablet and an oral suspension.
If you are taking the oral suspension, shake the bottle well before you take it to ensure that the liquid is evenly mixed. Use the measuring spoon or cup to measure your prescribed dose.
This medicine must be taken regularly for it to be effective. Continue taking this medicine even when you feel better. Do not stop taking it unless instructed otherwise, as stopping it suddenly could worsen your condition.
Take the missed dose as soon as you remember. If it is almost time for your next dose, skip the missed dose and return to your normal dosing schedule.
DO NOT double a dose under any circumstances.
If you often forget to take your medicine, let your doctor and pharmacist know.
Do not take Felbamate if you have a history of allergic reactions (swollen eyes or mouth, difficulty breathing, rashes) to this medicine or any of its contents or to any other carbamates.
Alert your doctor if you have history of blood disorders or liver disease, as this medicine may not be suitable for you.
Inform your doctor if you have the kidney disease.
Let your doctor know if you are pregnant or breastfeeding.
Keep your appointments with your doctor. Your doctor needs to monitor your condition and check your response to the medication regularly. He may need to do routine blood tests (e.g. liver function test, complete blood count) before, during, and after treatment with Felbamate. Your doctor will advise you about how often you need to have blood tests.
Felbamate may cause dizziness, drowsiness and some eye related problems such as diplopia (double vision). It may also cause you to suddenly fall asleep during your daily activities such as eating and watching television. You may not feel drowsy before you fall asleep. If affected, do not drive or take part in any activity in which you need to be alert.
Other side effects include any of the following: headache, tiredness, loss of appetite, weight loss, nausea, vomiting, indigestion, constipation, rash, difficulty sleeping, and upper respiratory tract infections (e.g. sore throat, cough, runny nose).
Some side effects may need immediate medical help. Alert your doctor quickly if you experience any of the following:
- fever with persistent sore throat or mouth ulcers, unusual bleeding or bruising
- yellowing of the skin or eyes
- unusual changes in mood and behaviour (e.g. being depressed, agitated, aggressive)
- suicidal thoughts or behaviours (e.g.talking or thinking about wanting to hurt oneself or end one's life, withdrawing from friends and family, becoming preoccupied with death and dying)
Inform your doctor if any of these side effects do not go away or are severe, or if you experience other side effects.
Inform your doctor and pharmacist if you are taking any of these medicines:
- warfarin (blood-thinning medicine)
- other medicines for epilepsy (fits or seizure) e.g. carbamazepine, phenobarbital, phenytoin
- birth control pills e.g. gestodene
This list does not include all medicines that may interact with Felbamate.
Always notify your doctor and pharmacist if you are taking any other medicines, including herbal tonics such as traditional Chinese medicines, supplements and medicines that you buy without a prescription.
Store in a cool, dry place away from moisture, sunlight and from the reach of children.
Medicines must not be used past the expiry date.