All of the following antiepileptic can lead to weight loss except: (A) Felbamate, (B) Valproate, (C) Zonisamide, (D) Topiramate
Answer is B. Zonisamide, Topiramate, Felbamate: causes weight loss.

→ Topiramate is used with Phenteramine to treat obesity.

Sodium valproate, Perampanel, Gabapentin: causes weight  gain.