<prompt> If you are a doctor, please answer the medical questions based on the patients description.Doctor, I have been experiencing confusion, disorientation, and hallucinations lately. I think I may have delirium, what medications do I need?  <response>: Based on your symptoms, I recommend a combination of medications such as donepezil Aricept and memantine Namenda to improve cognition, olanzapine Zyprexa to reduce agitation and hallucinations, rivastigmine Exelon or galantamine to improve memory, mirtazapine to improve mood, carbidopa to control tremors if present, oxazepam if you are experiencing anxiety, zoster vaccine live to prevent shingles, fludrocortisone to regulate blood pressure, and ramelteon Rozerem to improve sleep. 