Are there medications for Parkinson's disease?

Yes. And they all have side effects, so that they should be clearly understood. Some, that help with Parkinsonian delusions, will worsen gait often enough. Some that help with gait problems may worsen hallucinations. Because ever case of Parkinson's Disease is as unique as that person's own fingerprint this is something to be discussed with the person's specialist in the medical community. Wishing you good luck. Do some initial online research of this disease so you are informed if you are POA or assisting a Parkinson's person.

Don't know what your question is. There are many treatments for Parkinson's Disease. Please be more detailed about what you want to know.