Pseudoephedrine is a nasal decongestant active ingredient available in over-the-counter (OTC) medicines that relieve a stuffy nose or sinus pressure due to the common cold or other ailments. It may be written as pseudoephedrine, pseudoephedrine hydrochloride (HCl), or pseudoephedrine sulfate, but each has the same effect in the human body. Pseudoephedrine can be the only […]

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