Non sedating oral antihistamine

They prevent and treat nasal stuffiness, sneezing, and itchy, runny nose due to seasonal or year-round allergies.

They can also decrease inflammation and swelling from other types of allergic reactions.


Vicks chose to reformulate Ny Quil Sinus in 2006, replacing pseudoephedrine with phenylephrine.

By blocking histamine and keeping it from binding to receptors, antihistamines prevent these symptoms.


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