Table 2.

Summary of Treatment Agents

Agent	Dosage	Efficacy	Safety
Metoclopramide	10 mg every 8 h for 24 h	Reduces nausea and vomiting	Less drowsiness, dizziness, dystonia
			No known malformations
Promethazine	25 mg every 8 h for 24 h	Reduces nausea and vomiting	No known malformations
Diphenhydramine	12.5–25 mg every 4–6 h	Reduces nausea and vomiting	No increased risk of malformations
			Causes drowsiness
Droperidol and diphenhydramine	1.0–2.5 mg over 15 min, then 1.0 mg/h	Reduces nausea and vomiting	No abnormal outcomes
	50 mg over 30 min every 6 h
Ondansetron	4 mg every 8 h	Reduces nausea and vomiting after first dose
Methylprednisolone	16 mg every 8 h		No known malformations
Ginger	1 mg for 4 d	Reduces nausea and vomiting	No known malformations