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Phenylephrine, sold under the brand names Neosynephrine and Sudafed PE among others, is a medication used as a decongestant for uncomplicated nasal congestion in the form of a nasal spray or oral tablet, [5] to dilate the pupil, to increase blood pressure given intravenously in cases of low blood pressure, and to relieve hemorrhoids as a suppository.
Phenylephrine; Pyrithyldione; Synephrine; Tyrosinol This page was last edited on 25 October 2022, at 02:38 (UTC). Text is available under the Creative Commons ...
In addition to steroid nasal sprays and antihistamine sprays, Tracy says phenylephrine is still considered effective in nasal spray form — though Tracy warns it can be “habit-forming” if ...
Phenylephrine (10 mg/30 mL) (nasal decongestant) Alcohol (10% by volume) The LiquiCap capsule version has the following active ingredients per pill, half the recommended adult dose: Acetaminophen (325 mg/pill) (pain reliever/fever reducer) Dextromethorphan (15 mg/pill) (cough suppressant) Doxylamine succinate (6.25 mg/pill) (antihistamine/hypnotic)
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]
Extracts of unripe fruit from Asian cultivars of Citrus aurantium (commonly known as "bitter" orange), collected in China, were reported to contain synephrine levels of about 0.1–0.3%, or ~1–3 mg/g; [10] Analysis of dried fruit of C. aurantium grown in Italy showed a concentration of synephrine of ~1 mg/g, with peel containing over three times more than the pulp.
Phenylephrine, which alongside paracetamol is one of Lemsip's two primary active ingredients and is intended to be responsible for most of the product's claimed effects, was discovered to be ineffective as a decongestant in 2015, leading some pharmacists to call for the ingredient to be banned.
[13] [2] Phenylephrine has replaced pseudoephedrine in many over-the-counter oral decongestant products. [2] However, oral phenylephrine appears to be ineffective as a decongestant. [ 31 ] [ 32 ] In 2022, the combination with brompheniramine and dextromethorphan was the 265th most commonly prescribed medication in the United States, with more ...