<prompt> The antiepileptic drug which causes weight loss:ValproateVigabatrinTopiramateFelbamate  <response>: Ref: Katzung 14th ed. pg. 427-28 The only antiepileptic drug which causes weight loss: Topiramate, Zonisamide MOA of topiramate: VG-Na channel blocker Activate GABA receptor Inhibit AMPA receptor receptor of Glutamate Use: GTCS, Partial seizure Maintenance therapy of alcohol withdrawal LGS Decreases alcohol craving Side effects: Urolithiasis, Somnolence 