In all of these controlled studies, the discontinuation rate due to adverse reactions was 12.2% for patients randomised to lacosamide and 1.6% for patients randomised to placebo. The most common adverse reaction resulting in discontinuation of lacosamide therapy was dizziness.
Incidence of CNS adverse reactions such as dizziness may be higher after a loading dose.
Based on the analysis of data from a non-inferiority monotherapy clinical trial comparing lacosamide to carbamazepine controlled release (CR), the most frequently reported adverse reactions (≥ 10%) for lacosamide were headache and dizziness. The discontinuation rate due to adverse reactions was 10.6% for patients treated with lacosamide and 15.6% for patients treated with carbamazepine CR.
Tabulated list of adverse reactions: The table as follows shows the frequencies of adverse reactions which have been reported in clinical trials and post-marketing experience. The frequencies are defined as follows: very common (≥ 1/10), common (≥ 1/100 to < 1/10), uncommon (≥ 1/1,000 to < 1/100) and not known (frequency cannot be estimated from available data). Within each frequency grouping, undesirable effects are presented in order of decreasing seriousness. (See Table 2.)
![](https://mpfshstrg.blob.core.windows.net/mpf-uat-common-resources/Images/monograph/table.gif)
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