1. DRUGS AFFECTING BRAIN DOPAMINERGIC SYSTEM
a. Dopamine precursor:
Levodopa
b. Peripheral decarboxylase inhibitors:
Carbidopa
Benserazide
c. Dopaminergic agonists:
Bromocriptine
Ropinirole
Pramipexole
d. MAO-B inhibitor:
Selegiline
e. COMT inhibitors:
Entacapone
Tolcapone
f. Glutamate(NMDA) agonist (Dopamine facilitator):
Amantadine
2. DRUGS AFFECTING BRAIN CHOLINERGIC SYSTEM
a. Central anticholinergics:
Trihexyphenidyl (Benzhexol)
Procyclidine
Biperiden
b. Antihistaminics:
Orphenadrine
Promethazine
ANTIPARKINSONIAN DRUGS