| 4-10 mcg/mL | |
| 5HT-3 blockers, alfuzosin, apomorphine, atazanavir, azole antifungals, chloroquine, droperidol, galantamine, methadone, pentamidin, ritonavir | |
| Carvedilol, celecoxib, diazepam, fluvastatin, phenytoin, remelteon, S-warfarin | |
| Salt intake, caffeine, theophylline |