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Phenylephrine is a selective α 1-adrenergic receptor agonist with minimal to no β-adrenergic receptor agonist activity or induction of norepinephrine release. [5] [8] [15] It causes constriction of both arteries and veins. [12] Phenylephrine was patented in 1933 [16] and came into medical use in 1938. [17] It is available as a generic medication.
Pseudoephedrine is widely available over-the-counter in both single-drug and combination preparations. [30] [22] [13] [2] Availability of pseudoephedrine has been restricted starting in 2005 as it can be used to synthesize methamphetamine. [13] [2] Phenylephrine has replaced pseudoephedrine in many over-the-counter oral decongestant products. [2]
NyQuil. Vicks NyQuil is a brand of over-the-counter medication manufactured by Procter & Gamble intended for the relief of various symptoms of the common cold. All medications within the NyQuil imprint contain sedating antihistamines, hypnotics, and/or alcohol, and are intended to be taken before sleep.
As Yahoo Life reported last year, when taken in oral form, phenylephrine is metabolized so quickly that the amount absorbed into the bloodstream ends up being less than 1% of what was originally ...
Phenylephrine is found in a wide range of cold and flu medications, including Sudafed PE, Benadryl Allergy D Plus Sinus and Vicks DayQuil Cold and Flu Relief. Here’s what experts say are ...
Phenylephrine is an over-the-counter drug that has been used for decades to relieve congestion and stuffy nose caused by allergies or colds, and purportedly works by reducing the swelling of blood ...
It contains phenylephrine and ketorolac. [ 1 ] Phenylephrine/ketorolac was approved for medical use in the United States in May 2014, [ 4 ] and in the European Union in July 2015.
Phenylephrine is an oral medication primarily used as a decongestant. [5] [6] It is a selective α 1-adrenergic receptor activator which results in the constriction of both arteries and veins. [5] Common side effects include nausea, headache, and anxiety. [5] Phenylephrine was patented in 1927 and came into medical use in 1938. [7]