A drug that prevents or relieves convulsions.(noun)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "anticonvulsant" in a sentence
"The bag contained Keppra, an anticonvulsant that sometimes alleviates headaches."
"It was amazing how one simple thing, a headache, could cause a chain reaction in my life that eventually led to me sitting on my couch, watching anticonvulsant medication drip into my veins, while a strange woman did paperwork at my kitchen counter."
"Vivus of Mountain View, CA is testing a combination of low doses of the active ingredients phentermine and topiramate (an anticonvulsant) under the name Qnexa."