Codeine (codeine phosphate) contains the active ingredient codeine and is used to reduce pain from headache, the flu and common cold. See here for more information and to order.
A: Mucinex contains the active ingredient guaifenesin, which is an expectorant that helps loosen phlegm and thin bronchial secretions. Mucinex does not have rapid heart rate as a possible side effect. There is a product called Mucinex-D that contains pseudoephedrine, and this ingredient can increase heart rate.
Often times the term âexpectorantâ is incorrectly used with any cough medicine. To get the benefits of an expectorant your product must have and expectorant ingredient in it. Mucinex, a popular over the counter, sinus, cough, cold, mucus relief product contains Guaifenesin but does not contain Ephedrine HCL.ften times the term âexpectorantâ is incorrectly used with any cough medicine. To get the benefits of an expectorant your product must have and expectorant ingredient in it. Mucinex, a popular over the counter, sinus, cough, cold, mucus relief product contains Guaifenesin but does not contain Ephedrine HCL.