Questions about the Parkinson’s drug levodopa are common: When should I start it? Does it cause involuntary movement (dyskinesia)? Will it stop working eventually?

More than 50 years after its FDA approval, levodopa remains the most common and effective medication for Parkinson’s. And yet, misconceptions — about how the drug works, what symptoms it treats, or which side effects it has — are widespread. Knowing the facts can help you make the best treatment decision for you and your symptoms.

Source: The Michael J. Fox Foundation for Parkinson’s research

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