<prompt> A patient with recent onset primary generalized epilepsy, develops drug reaction and skin rash and neutropenia due to phenytoin sodium. The most appropriate course of action is:Shift to sodium valproateShift to clonazepamShift to ethosuximideRestart phenytoin after 2 weeks  <response>: Ref: Katzung, 14th ed. pg. 418-19; KDT 6th ed. pg. 405Hypersensitivity reactions like rashes, DLE, lymphadenopathy and neutropenia require that phenytoin to be stopped. 