Mucinex In Liquid Form - Web it has two active ingredients: Web this combination medication is used to relieve coughs caused by the common cold, bronchitis, and other breathing illnesses. Guaifenesin (an expectorant that clears chest congestion) and dextromethorphan (a.
Guaifenesin (an expectorant that clears chest congestion) and dextromethorphan (a. Web it has two active ingredients: Web this combination medication is used to relieve coughs caused by the common cold, bronchitis, and other breathing illnesses.