| Robert R. Fenichel |
| Therapeutic Level (µM) | ||||
|---|---|---|---|---|
| Drug | Total | Free | Ref | Comment |
| amiodarone | 1-4 | 0.001 | 8 | |
| amitriptyline | 0.2-0.7 | 0.02 | 9 | |
| astemizole | 0.002-0.003 | 25 | ||
| desmethylastemizole | 0.02 | 25 | ||
| buprenorphine | 0.036 | 71 | secondary reference | |
| captopril | 0.23 | 0.15 | 10 | |
| cetirizine | 0.67 | 0.07 | 1 | |
| chlorpromazine | 0.1-1.1 | 17 | controversial | |
| cisapride | 0.05-0.2 | 48 | ||
| clarithromycin | 2.7-4 | 1.5-2 | 67 | |
| codeine | 0.66 | 71 | secondary reference | |
| diphenhydramine | 0.09 | 0.02 | 11 | |
| disopyramide | 15 | 130 | ||
| EDDP | 1 | 71 | secondary reference | |
| erythromycin | 13.6 | 67 | intravenous | |
| fentanyl | 0.03 | 71 | secondary reference | |
| LAAM | 1 | 71 | secondary reference | |
| meperidine | 1.3 | 71 | secondary reference | |
| methadone | 3.6 | 71 | secondary reference | |
| morphine | 2.5 | 71 | secondary reference | |
| ranolazine | 5.8 | 6 | ||