| Antiemetics |
| Metoclopramide (Reglan) | 5 to 10 mg orally every 6 hours, or 5 to 10 mg slowly IV every 6 hours | Akathesia, atrioventricular block, bradycardia, bronchospasm, dizziness, drowsiness, dystonic reaction, gynecomastia, nausea, tardive dyskinesia | Tablets: $2 ($25) |
| Prochlorperazine | 5 to 10 mg orally or IM every 6 to 8 hours | Agitation, dizziness, drowsiness, dystonic reaction, extrapyramidal symptoms, photosensitivity, tardive dyskinesia | Tablets: $2 |
| Antihistamines |
| Dimenhydrinate | 50 mg orally every 6 hours | Anorexia, blurred vision, dizziness, drowsiness, nausea | $3 |
| Meclizine (Antivert) | 12.5 to 50 mg orally every 4 to 8 hours | Blurred vision, drowsiness, fatigue, headache, vomiting | $1 to $4 ($8 to $47) |
| Promethazine | 25 mg every 6 hours orally, IM, or rectally every 4 to 12 hours | Agitation, bradycardia, confusion, constipation, drowsiness, dizziness, dystonia, extrapyramidal symptoms, gynecomastia, photosensitivity, urinary retention | Tablets: $2 Suppository: $3 |
| Benzodiazepines |
| Diazepam (Valium) | 2 to 10 mg orally or IV every 4 to 8 hours | Amnesia, drowsiness, slurred speech, vertigo | Tablets: $1 ($30 to $168) |
| Lorazepam (Ativan) | 1 to 2 mg orally every 4 hours | Amnesia, dizziness, drowsiness, slurred speech, vertigo | $1 ($320 to $500) |
