<prompt> All are the following are side effect of ropinirole except:SedationNauseaRetroperitoneal FibrosisHallucination  <response>: 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. 