Does Pramipexole cause any long term effects?

Side effects can develop at any time with any drug, which of course could happen with pramipexole as well. The most common side effects of Mirapex are: low blood pressure, involuntary movements, nausea, headaches, insomnia, drowsiness, dizziness and abnormal dreams. You would not want to abruptly discontinue pramipexole without consulting your physician.