Prescription onlyLower-cost generic availableClass: Neuro/psych



Prescription onlyLower-cost generic availableClass: Neuro/psych
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Controls seizures.

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Felbatol (felbamate) controls seizures, but it can have bad side effects.

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  • Felbatol (felbamate) can be used by itself or with other medicines to control seizures.
  • Felbatol (felbamate) is available in generic and in both a pill and a liquid form.


  • Can harm your spleen and liver.
  • Consider only if other anti-seizure medicines have not worked well.
How it works

Felbatol (felbamate) is a carbamate, which blocks signals in the brain that causes seizures.

What to expect when you take Felbatol (felbamate) for Lennox-Gastaut disease

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Side effect rates for Felbatol (felbamate)

157 From clinical trials of felbamate / Lennox-Gastaut syndrome
  • Loss of appetite
  • Sleepiness
  • Common cold or flu
  • Vomiting
  • Headache
  • Nausea
  • Fever
  • Loss of appetite
  • Sleepiness
  • Sleep difficulty

Risks and Warnings for Felbatol (felbamate)

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  • People on Felbatol (felbamate) have had a very rare but serious blood disease, aplastic anemia, which can be fatal. You are more likely to get serious infections or bleeding. Your doctor will talk to you to make sure you understand the risks before you start.

    This is a black box warning. The FDA requires this warning when there is a significant risk of serious or life-threatening effects that anyone taking the drug should consider.

Means that some groups have a high risk of experiencing this side effect

Common concerns from people taking Felbatol (felbamate)

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Kidneys and liver
  • Can damage your liver or your spleen
  • Felbatol (felbamate) can make you feel sleepy the first few days that you take it. Don't drive or do anything that requires concentration until you know how your body reacts to Felbatol (felbamate). If these changes bother you, talk to your doctor.