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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.
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.
Phenylephrine was approved by the FDA for over-the-counter use in the 1970s. It comes in several forms, including liquids, pills and nasal sprays. ... but because the drugs come with side effects ...
Rhinitis medicamentosa (or RM, also known as rebound congestion) is a condition of rebound nasal congestion suspected to be brought on by extended use of topical decongestants (e.g., oxymetazoline, phenylephrine, xylometazoline, and naphazoline nasal sprays) and certain oral medications (e.g., sympathomimetic amines and various 2-imidazolines) that constrict blood vessels in the lining of the ...
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]
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 ...
A 2007 Cochrane review assessed the side effects of short-term use of pseudoephedrine at recommended doses as a nasal decongestant. [21] It found that pseudoephedrine had a small risk of insomnia and this was the only side effect that occurred at rates significantly different from placebo. [ 21 ]
Type A: augmented pharmacological effects, which are dose-dependent and predictable [5]; Type A reactions, which constitute approximately 80% of adverse drug reactions, are usually a consequence of the drug's primary pharmacological effect (e.g., bleeding when using the anticoagulant warfarin) or a low therapeutic index of the drug (e.g., nausea from digoxin), and they are therefore predictable.