<prompt> Drug not used in prophylaxis of bipolar disorder ?HaloperidolLithiumCarbamazepineValproate  <response>: Ans. A. HaloperidolProphylactic treatment for bipolar disorder:Lithium drug of choiceCarbamazepineValproateOther drugs which can be used are topiramate, Lamotrigine, atypical antipsychotics apiprazale, olanzapine,quetiapine, risperidone, Clozapine and Gabapentin. 