<unk>  is an immunologic adjuvant that is FDA approved for the treatment of parkinson's disease, post-encephalitic parkinsonism, and symptomatic parkinsonism.   Common adverse reactions include nausea, confusion, dizziness, headache.
Carbidopa and Levodopa
Donepezil
Melevodopa
Galantamine hydrobromide
Perhexiline
Benperidol
Penfluridol
Bromperidol