A 14-year-old boy is brought to the physician by his mother fo | Uworld | Step 1

A 14-year-old boy is brought to the physician by his mother for seizures. His seizures are usually characterized as a blank stare and lip smacking, followed by generalized shaking. The patient occasionally bites his tongue during the episodes and feels confused afterwards. His seizures have been refractory to various antiepileptic medications, and he is started on lamotrigine.