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Phenylephrine is the main ingredient used in many common over-the-counter congestion products. ... If a cold or viral upper respiratory infection lasts seven to 10 days without getting better ...
A decongestant, or nasal decongestant, is a type of pharmaceutical drug that is used to relieve nasal congestion in the upper respiratory tract. The active ingredient in most decongestants is either pseudoephedrine or phenylephrine (the latter of which has disputed effectiveness ).
[citation needed] In 2016, it was one of the biggest selling branded over-the-counter medications sold in Great Britain, with sales of £34.4 million. [37] The effectiveness of phenylephrine by mouth as a nasal decongestant is questionable. [38] Gee's Linctus is a cough medicine which contains opium tincture. [39]
Pseudoephedrine is widely available over-the-counter (OTC) 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 ...
Oxymetazoline, sold under the brand name Afrin among others, is a topical decongestant and vasoconstrictor medication. It is available over-the-counter as a nasal spray to treat nasal congestion and nosebleeds, as eye drops to treat eye redness due to minor irritation, and (in the United States) as a prescription topical cream to treat persistent facial redness due to rosacea in adults.
Sinusitis, also known as rhinosinusitis, is an inflammation of the mucous membranes that line the sinuses resulting in symptoms that may include production of thick nasal mucus, nasal congestion, facial congestion, facial pain, facial pressure, loss of smell, or fever.
The decongestant effect is due to constriction of large veins in the nose which swell up during the inflammation of any infection or allergy of the nose. The smaller arteries are also constricted and this causes the colour of the nasal epithelium to be visibly paler after dosage.
A sinus infection typically starts out with a viral infection (RSV or rhinovirus, for example), which can cause sneezing, coughing, a runny nose, aches, and a fever, says Goudy.
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