what is a nasal decongestant
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 efficacy).These are alpha-agonists which on topical application as dilute solution (0.05-0.1%) produce local vasoconstriction.he active ingredient in most decongestants is either pseudoephedrine or phenylephrine (the latter of which has disputed efficacy). These are alpha-agonists which on topical application as dilute solution (0.05-0.1%) produce local vasoconstriction.
Nasal decongestants are medicines that can help relieve a blocked nose. Nasal decongestants help relieve nasal congestion by narrowing (constricting) the blood vessels and reducing blood flow and swelling, allowing you to breathe more easily.sk your doctor or pharmacist for advice before using a nasal decongestant, to make sure that it is safe for you or your child. Always read the label on your medicine or the consumer medicine information (CMI) .