The scope of this fourth edition has been expanded by highlighting certain non-US drugs which have limited or restricted use in different parts of the world. Topics covered include: expanded coverage of the general principles of antiepileptic drugs; four new drugs approved by the FDA - Felbamate, Gabapentin, Lamotrigine and Vigabatrin; and potential new drugs in research - Losigamone, Remacemide, Stiripentol, Tiagabine and Topiramate.

