Answer: the ingrediency in Mucinex are the following
Acetaminophen – Pain Reliever/ Fever Reducer
Dextromethorphan HBr – Cough Suppressant
Guaifenesin - Expectorant
Phenylephrine HCI – Nasal Decongestant
Diphenhydramine HCI - Antihistamine/ Cough Suppressant
Triprolidine HCl - Antihistamine
Oxymetazoline Hydrochloride – Nasal Decongestant
Doxylamine Succinate - Antihistamine