This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Central Nervous system, Subject name: Pharmacology
Which of the following medication is associated with an Increased risk of agranulocytosis? 
Select and explain. 
A. Clozapine, B. imipramine, C. Lithium, D. Haloperidol
A: Clozapine
Answer: A: Clozapine 
Explanation: The most impoant side effect of cloxazapine is agranulocytosis. All the other given drugs donot have agranulocytosis as side effect. Ref: KD TRIPATHI 8TH ED.