 , Amines , Amino Acids , Amino Acids, Aromatic , Amino Acids, Cyclic , Amino Acids, Peptides, and Proteins , Anti-Dyskinesia Agents , Anti-Parkinson Agents (Dopamine Agonist) , Anti-Parkinson Drugs , Benzene Derivatives , Biogenic Amines , Biogenic Monoamines , Catecholamines , Catechols , Central Nervous System Agents , Central Nervous System Depressants , Dihydroxyphenylalanine , Dopa and Dopa Derivatives , Dopamine Agents , Hypotensive Agents , Levodopa, antagonists & inhibitors , Nervous System , Neurotransmitter Agents , Phenols , Serotonergic Drugs Shown to Increase Risk of Serotonin Syndrome