This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: C.N.S, Subject name: Pharmacology
[{'content': 'Drug used for absence seizure in <2 years: \nSelect and explain. \nA. Phenytoin, B. Carbamazepine, C. Ethosuximide, D. Lamotrigine', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Ans. C. EthosuximideEthosuximide is drug which act via T type of calcium channel. It is indicated for absence seizures in children who are less than 2 years. If the child is more than 2 years then we can give valproate. The reason valproate is not given in less than 2 years is due to irreversible liver necrosis caused by the same.', 'role': 'assistant'}]