This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Pharmacology
Drug of choice for infantile spasms in a patient with tuberous scleosis is - 
Select and explain. 
A. Vigabatrin, B. Tiagabine, C. Lamotrigine, D. Levetiracetam
A: Vigabatrin
Answer: A: Vigabatrin 
Explanation: Ans. is 'a' i.e., Vigabatrin