Nervous System Home > Extended-Release Lamotrigine

Available by prescription, extended-release lamotrigine is a drug used to treat seizures in people who are at least 13 years old. The product is only approved for use with other seizure medications. It comes in the form of a tablet and is taken once a day. Most people tolerate it well, but side effects are possible, such as fatigue, nausea, and diarrhea.

What Is Extended-Release Lamotrigine?

Extended-release lamotrigine (Lamictal® XR™) is a prescription medication approved to treat certain types of seizures in people age 13 and older. It is approved for use only in combination with other seizure medications.
(Click What Is Extended-Release Lamotrigine Used For? for more information, including possible off-label uses.)

Are There Side Effects?

Just like any medicine, extended-release lamotrigine may cause side effects. However, not everyone who takes the drug will experience problems. In fact, most people tolerate it quite well. If side effects do occur, in most cases, they are minor and either require no treatment or can be treated easily by you or your healthcare provider. Serious reactions are less common.
Some of the most common side effects seen with extended-release lamotrigine include but are not limited to:
  • Dizziness
  • Fatigue or weakness
  • Diarrhea
  • Nausea.
(Click Side Effects of Extended-Release Lamotrigine to learn more, including potentially serious side effects you should report immediately to your healthcare provider.)
Written by/reviewed by:
Last reviewed by: Kristi Monson, PharmD;
Last updated/reviewed:
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