dextromethorphan hydrobromide /-methôr″fən/ , an antitussive derived from morphine but lacking opioid effects. ▪ INDICATIONS: It is prescribed for the suppression of nonproductive cough. ▪ CONTRAINDICATIONS: Use of a monoamine oxidase inhibitor within the past 14 days or known hypersensitivity to this drug prohibits its use. ▪ ADVERSE EFFECTS: The most serious adverse reaction is respiratory depression resulting from large doses.
