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nasal decongestant |
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nasal decongestant, a drug that provides temporary relief of nasal symptoms in acute and chronic rhinitis and sinusitis. Most are over-the-counter products compounded with a small amount of vasoconstrictor, such as pseudoepHEDrine or phenylephrine. An antihistamine may enhance the value of a nasal decongestant in allergic rhinitis, and a corticosteroid may reduce inflammation. Prolonged use or dosage greater than recommended on the package may cause rebound vasodilation and severe congestion (rhinitis medicamentosa). nasal decongestant An oral or topically sprayed agent that ↓ swollen nasal mucosa, and facilitates breathing; NDs often cause a rebound effect, in which the Sx worsen when the ND is discontinued, due to tissue dependence on the drug How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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