Visual and auditory hallucinations. Do?

The patient who is my father is currently diagnosed with perkinsons diseases since 2009.aprt from the various symptoms of perkinsons like stiffness, rigidity, writing and walking problems, trembling etc,the patient had been feeling mild hallucination from last 6 months.the patient is taking medicine for mild halucination since the symptom arise.noq from stating July patient was feeling the halucination in a large way and almost for the whole day duration We become restless because covid 19 lockdown process is still undergoing..for at least 14 to 15 days these  was happened.during mild halucination the doctor prescribed him quitipine 25 1 dose a day.but watching the terrible situation we changed the dose of quitipine 25to 2 dose per day.the patient is gradually improving..but now he has been going through some sort of disorder in mental level...what should I do?Dr prescribed him syndopa plus125,stalopum plus,pramipex 0.5, quitipine.he has problem regarding pressure , thyroid, cholstrl.