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.
Pseudoephedrine (/ËsjuËdoÊ.É¨ËfÉdrÉªn/ or /ËsjuËdoÊËÉfÉ¨driËn/ ; PSE) is a sympathomimetic drug of the phenethylamine and amphetamine chemical classes.It may be used as a nasal/sinus decongestant, as a stimulant, or as a wakefulness-promoting agent.lso, that everyone should avoid taking ephedrine or pseudoephrine with other stimulants like caffeine. They also banned all products that contain ephedrine (or pseudoephedrine) and caffeine. Products whose only medicinal ingredient is pseudoephedrine must be kept behind the pharmacy counter.