Keywords: Apokyn; Aricept; Azilect; Clozaril; Cogentin; Comtan; Duodopa; Duopa; Ebixa; Eldepryl; Exelon; Gocovri; Inbrija; Kynmobi; Lodosyn; Mirapex; Movapo; Namenda; Neupro; Nourianz; Nuplazid; Ongentys; Onstryv; Osmolex; Parkinson's disease; Parlodel; Razadyne; Requip; Rytary; SNRIs; SSRIs; Seroquel; Sinemet; Stalevo; Tasmar; Xadago; Zelapar; Zofran; adverse effects; amantadine; apomorphine; benztropine; bromocriptine; carbidopa; carbidopa/levodopa; clozapine; deep brain stimulation; depression; donepezil; dosage; drug interactions; efficacy; entacapone; galantamine; istradefylline; levodopa; memantine; nortriptyline; ondansetron; opicapone; pimavanserin; pramipexole; quetiapine; rasagiline; rivastigmine; ropinirole; rotigotine; safety; safinamide; selegiline; tolcapone; trihexyphenidyl.