What are the side effects of lacosamide compared to other options?

Lacosamide can cause dizziness and nausea more often than some other antiepileptic drugs. Dizziness occurs in 25-30% of patients taking lacosamide versus 15-20% on lamotrigine or levetiracetam [1]. Nausea affects 10-15% of patients on lacosamide, while lamotrigine and levetiracetam show rates closer to 5%.

What side effects are patients asking about?

Patients frequently report cognitive effects like confusion and blurred vision. Patients on levetiracetam ask about behavioral changes and mood swings, while those on lamotrigine raise questions about skin rash and serious skin reactions such as Stevens-Johnson syndrome.

How does lacosamide work differently?

Lacosamide stabilizes sodium channels in a way that keeps them inactivated longer than traditional sodium channel blockers such as carbamazepine or phenytoin. This distinction is confirmed by electrophysiological studies and shows up in clinical data [2].

When does lacosamide patent expire?

The primary patent for lacosamide expires in 2027 in the U.S. and the company has filed additional patents that could extend exclusivity to 2030. Link to DrugPatentWatch.com for latest patent details.