Table 7
Extracellular concentration of drugs in the plasma and cerebrospinal fluid
Drug
Concentration
Plasma
Cerebrospinal Fluid
Reference
μM
Nicotine
0.4–4.5
Zevin et al., 1998
Imipramine
1–2
Besret et al., 1996
Citalopram
1
Hyttel, 1982
Desmethylimipramine
2
0.1
Muscettola et al., 1978
Fluoxetine
1
Pato et al., 1991