3 drugs carried higher risk, and the association for sodium valproate persisted after epilepsy was taken into account.

Takeaway

• Adults prescribed certain antiepileptic drugs (AEDs)—lamotrigine, levetiracetam, or sodium valproate—had an elevated risk for Parkinson’s disease.

Why this matters

• It is unclear whether an observed association between epilepsy and subsequent Parkinson’s...