Phenylephrine is a selective α 1-adrenergic receptor agonist which results in the constriction of both arteries and veins. Phenylephrine was patented in 1927 and came into medical use in 1938. It is available as a generic medication. Unlike pseudoephedrine, abuse of phenylephrine is very uncommon. See more Phenylephrine is a selective α1 receptor agonist medication primarily used as a nasal decongestant, to dilate the pupil, to increase blood pressure, and to relieve hemorrhoids. Phenylephrine can be taken by mouth, as a nasal … See more Decongestant Phenylephrine is used as a decongestant sold as an oral medicine or as a nasal spray. … See more Pharmacodynamics Phenylephrine is a sympathomimetic drug, which means that it mimics the actions of epinephrine (commonly known as adrenaline) or norepinephrine. Phenylephrine selectively binds to alpha-1 receptors which … See more Phenylephrine may cause side effects such as headache, reflex bradycardia, excitability, restlessness and cardiac arrhythmias. … See more • "Phenylephrine". U.S. National Library of Medicine: Drug Information Portal. See more WebMay 24, 2024 · Phenylephrine is a powerful postsynaptic alpha-receptor stimulant with little effect on the beta receptors of the heart. In therapeutic doses, it produces little if any stimulation of either the spinal cord or cerebrum. A singular advantage of this drug is the fact that repeated injections produce comparable effects. ADVERSE REACTIONS
Decongestants: How They Work, Uses, Types - Verywell …
WebApr 6, 2024 · Sudafed PE (Phenylephrine) Sudafed PE and generic phenylephrine are available in different forms: Tablet Liquid cough medicine Quick-dissolve strip Phenylephrine is also in many combination cold and … WebPhenylephrine (Sudafed PE) is a decongestant medication available over the counter (OTC) that is used to treat nasal and sinus congestion from allergies and the common cold. COMMON BRANDS Sudafed PE DRUG CLASS Alpha agonist CONTROLLED SUBSTANCE CLASSIFICATION Not a controlled medication GENERIC STATUS Lower-cost generic … shelley dropkin citi
Phenylephrine: Low Blood Pressure Uses, Warnings, Side ... - MedicineNet
WebSep 18, 2024 · In general, pseudoephedrine and phenylephrine should not be used together. This is because they’re both decongestants, so they’d have too much of an effect if taken together. Combining them... WebJul 14, 2024 · Pseudoephedrine is a decongestant that constricts (shrinks) dilated blood vessels within the nose, relieving congestion. It causes vasoconstriction by stimulating primarily alpha-adrenergic receptors. It also has weak activity at beta-adrenergic receptors. spms learning centre