A cough medicine may help slow down cognitive decline in Parkinson’s

  • Parkinson’s disease dementia develops in people who have a Parkinson’s disease diagnosis.
  • Experts are interested in finding the best ways to address and prevent Parkinson’s disease dementia.
  • A randomized clinical trial found that the drug Ambroxol may help stabilize the neuropsychiatric symptoms of Parkinson’s disease dementia, and confirmed the safety of the drug’s use among participants.

Written by Jessica Freeborn on July 7, 2025 — Fact checked by Amanda Ward

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