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
[{'content': 'All are the following are side effect of ropinirole except: \nSelect and explain. \nA. Sedation, B. Nausea, C. Retroperitoneal Fibrosis, D. Hallucination', 'role': 'user'}, {'content': 'Answer: C \nExplanation: *Adverse effects of ropinirole and pramipexole include nausea, dizziness, hallucinations, postural hypotension and excessive day time sleepiness. *Their advantage over ergot derivatives like bromocriptine is lack of retroperitoneal fibrosis and gangrene and long duration of action. *Rapinirole has been approved by FDA for restless leg Syndrome. REF KD TRIPATHI 8TH ED.', 'role': 'assistant'}]