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Lamotrigine Side Effects
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Rare side effects of lamotrigine occurred in less than 5 percent of people taking the drug. Because these side effects are so uncommon, it can be difficult to tell whether they are actually caused by lamotrigine or by other factors unrelated to the medication.
Some of these side effects include but are not limited to:
- Vaginal infection or irritation
- Speech problems
- Bladder infection (urinary tract infection or UTI)
- Concentration problems
- Joint pain
- Loss of appetite
- Neck pain
- Sinus infection
- Sensitivity to the sun
- Nervousness
- A spinning sensation (vertigo)
- Memory loss (amnesia)
- Increased sex drive
- Bloody nose
- Dry skin
- Sweating
- Migraine headaches
- Weight gain (see Lamictal and Weight Gain).
You may experience some or none of the lamotrigine side effects listed in this article. Unfortunately, there is no way for your healthcare provider to know beforehand if you will have side effects from a medicine that you have never tried. Therefore, make sure to let your healthcare provider know if you develop any problems while taking the drug. Also, let your healthcare provider know if you develop something that "just does not seem right." While it may not be a side effect, your healthcare provider will be able to diagnose and treat the problem.
Written by/reviewed by: Kristi Monson, PharmD; Arthur Schoenstadt, MD
Last reviewed by: Kristi Monson, PharmD