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Side Effects of Felbamate
While most people do not experience problems while taking felbamate, side effects can still occur. Common ones include insomnia, heartburn, and vomiting. In most cases, side effects are generally minor and easily treated. However, contact your healthcare provider right away if you develop serious problems while taking the drug, such as suicidal thoughts, difficulty breathing, or unusual bruising.
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Just like any medicine, felbamate (Felbatol®) can cause side effects. However, not everyone who uses the medication will have problems. Most people tolerate it quite well. If side effects do occur, in most cases, they are minor and either require no treatment or are treated easily by you or your healthcare provider.
(This article covers many, but not all, of the possible side effects with felbamate. Your healthcare provider can discuss a more complete list with you.)
Some felbamate side effects are potentially serious and should be reported immediately to your healthcare provider. These include but are not limited to:
- Anemia or other blood disorders
- Increased infections or infections that do not go away
- Unusual bruising or bleeding
- Stomach pains that will not go away
- Dark urine, loss of appetite, and general feelings of discomfort, which may be early signs of liver problems
- Yellowing of the whites of the eyes or skin (jaundice), which may be a sign of liver damage, including liver failure or hepatitis
- Thoughts of suicide (see Seizure Medications and Suicide)
- Signs of an allergic reaction, such as:
- An unexplained rash
- Hives
- Itching
- Swelling of the mouth or throat
- Wheezing
- Difficulty breathing.
Written by/reviewed by: Susan Lakey, PharmD, MPH
Last reviewed by: Kristi Monson, PharmD