Pharmaceutical Some anticonvulsants that are used to treat epilepsy and other conditions may increase the risk of suicide, attempted suicide or violent death, according to a new study published in today's issue of the Journal of the American Medical Association (JAMA). These include much used anticonvulsant drugs, such as Pfizer's Neurontin (gabapentin) and Novartis' Trileptal (oxcarbazepine). 14 April 2010