Kristopher is taking medicine that contains dextromethorphan. What type of agent is dextromethorphan?

Kristopher is taking medicine that contains dextromethorphan. What type of agent is dextromethorphan?

Kristopher is taking medicine that contains dextromethorphan. What type of agent is dextromethorphan?


expectorant
decongestant
nonnarcotic antitussive
mucolytic


Answer: nonnarcotic antitussive