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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 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]
The concern goes beyond ineffectiveness; phenylephrine can come with side effects such as headaches, insomnia and nervousness. At higher doses, it can increase blood pressure.
Amirshahi noted that pseudoephedrine comes with side effects, including dizziness, nervousness and trouble sleeping. It may also increase blood pressure, a potential drawback for people with heart ...
FDA advisers didn’t flag any new side effects or dangers when taken as directed. ... which are safe and effective, phenylephrine is also still considered effective in nasal spray form — though ...
The severity of effects alcohol may have on a developing fetus depends upon the amount and frequency of alcohol consumed as well as the stage of pregnancy. Rates of alcohol consumption can generally be categorized in one of three ways: heavy drinking (more than 48-60 grams of ethanol/day), moderately high drinking (24-48 grams of ethanol/day ...
Phenylephrine is the main ingredient used in many common over-the-counter congestion products. It is safe to use, but an independent advisory committee to the FDA agreed Tuesday that it is ...
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. [4]