Brevyn is taking medication that contains guaifenesin. What is the action of guaifenesin?

Brevyn is taking medication that contains guaifenesin. What is the action of guaifenesin?

Brevyn is taking medication that contains guaifenesin. What is the action of guaifenesin?



mucolytic
antitussive
expectorant
antihistamine


Answer: expectorant