For example, Compro (prochlorperazine) suppositories—which are approved by the Food and Drug Administration (FDA) for severe nausea and vomiting in adults—should be used twice per day.

For adults, Compazine is typically prescribed ... Compazine is available as a tablet, capsule, syrup, suppository, or intramuscular or intravenous injection. Common side effects include sedation ...