[loosely defined group of drugs that tend to reduce the activity of the central nervous system. ( CSP )]
UMLS (CSP) C0007681 Relation/PAR: [CN000] CENTRAL NERVOUS SYSTEM MEDICATIONS
Relation/CHD: [CN100] ANALGESICS
[CN200] ANESTHETICS
[CN400] ANTICONVULSANTS
[CN500] ANTIPARKINSON AGENTS
barbiturate