Table 4.
Antiemetic Drug Classes
| Drug Class | Examples | Effects on Gastric Emptying |
|---|---|---|
| Dopamine antagonists | Prochlorperazine, thiethylperazine | Variable |
| Muscarinic antagonists | Scopolamine | Delay |
| Histamine H1 antagonists | Dimenhydrinate, meclizine | Delay |
| Serotonin 5-HT3 antagonists | Ondansetron, granisetron | Variable |
| Neurokinin NK1 antagonists | Aprepitant | Delay |
| Cannabinoids | Dronabinol | Delay |
| Tricyclic antidepressants | Amitriptyline, nortriptyline | Delay |
| Other antidepressants | Mirtazapine | ? |
| Benzodiazepines | Lorazepam | ? |
| Corticosteroids | Prednisone | ? |