Which of the following compounds is an anticonvulsant used to control tonic-clonic(grand mal) seizures? Clinical Chemistry Which of the following compounds is an anticonvulsant used to control tonic-clonic(grand mal) seizures? A)Lithium B)Phenytoin C)Acetaminophen D)Digoxin Answer: Phenytoin Learn More : Share this Share on FacebookTweet on TwitterPlus on Google+