available over the counter: no

uses: used for the control of partial seizures (movement affects a focal portion of the body)

mechanism of action: suppresses irregular neuronal firing

side effects
• common: dizziness, fatigue, lack of energy, drowsiness, nausea
• less common: abdominal pain, diarrhea, vomiting, joint aches, insomnia, amnesia, depression
• serious: none

concerns: do not stop medication abruptly;  taper, per physician over weeks