per·go·lide 'pər-gə-.līd n an agonist of dopamine receptors that is an ergot derivative and is used in the form of its mesylate C19H26N2S·CH4O3S esp. in the treatment of Parkinson's disease
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n.
a drug that stimulates dopamine receptors in the brain and is used in the treatment of parkinsonism. It is administered by mouth. Possible side-effects include confusion, hallucinations, sleepiness, heart irregularity, nausea, breathing difficulties, and double vision. Trade name: Celance.
Medical dictionary. 2011.