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.
Mucinex (guaifenesin) nasal spray: Hello, Mucinex (guaifenesin) nasal spray is the same medication as afrin. It can be useful for eustachian tube dysfunction that will cause ear pressure. Use this medication as directed only for 5days.