Several medications for Parkinson's disease can cause dry mouth, which may contribute to dry eyes. Here are some examples:
- Trihexyphenidyl: Common side effects include dry mouth, which can be associated with dry eyes.
- Medical Marijuana: Side effects include dry mouth, which may also lead to dry eyes.
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Vision And Eyes In Parkinson's And Parkinsonism : What Many Of Us Notice And Doctor's Don't Always Explain, What Are Your Experiences ??