| Pyridoxine (Vitamin B6)† | 25 mg orally three times daily | A‡ |
| Doxylamine (Unisom)† | 25 mg orally once daily | § |
| Antiemetics |
| Chlorpromazine (Thorazine) | 10 to 25 mg orally two to four times daily | C |
| Prochlorperazine (Compazine) | 5 to 10 mg orally three or four times daily | C |
| Promethazine (Phenergan) | 12.5 to 25 mg orally every four to six hours | C |
| Trimethobenzamide (Tigan) | 250 mg orally three or four times daily | C |
| Ondansetron (Zofran) | 8 mg orally two or three times daily | B |
| Droperidol (Inapsine) | 0.5 to 2 mg IV or IM every three or four hours | C |
| Antihistamines and anticholinergics |
| Diphenhydramine (Benadryl) | 25 to 50 mg orally every four to eight hours | B |
| Meclizine (Antivert) | 25 mg orally every four to six hours | B |
| Dimenhydrinate (Dramamine) | 50 to 100 mg orally every four to six hours | B |
| Motility drug |
| Metoclopramide (Reglan) | 5 to 10 mg orally three times daily | B |
| Corticosteroid |
| Methylprednisolone (Medrol) | 16 mg orally three times daily; then taper | C |