Phenylephrine

Phenylephrine

Phenylephrine is an active ingredient that has different uses in over-the-counter (OTC) medicines. When used as a nasal decongestant, phenylephrine relieves a stuffy nose due to the common cold or other ailments. Phenylephrine also shrinks the swelling caused by hemorrhoids. It may be written as phenylephrine or phenylephrine hydrochloride, but it is the same active […]

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Pseudoephedrine

Pseudoephedrine

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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Guaifenesin

Guaifenesin

Guaifenesin is an expectorant available in over-the-counter (OTC) medicines that make coughs more productive by loosening chest congestion and ridding the airways of bothersome mucus. Guaifenesin can be the only active ingredient in a cough medicine, or it can be found in multi-symptom cough and cold products. Guaifenesin may also be found in medicines that […]

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