Q:

How does NyQuil liquid work?

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Quick Answer

Vicks NyQuil liquid works by decreasing swelling in the nasal passages and contracting the blood vessels. It contains antihistamine that reduces the effect of histamine and analgesic that works in the brain to reduce pain.

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Full Answer

Vicks NyQuil is a liquid medication that is used for relieving runny nose, cough, sneezing, allergies and pain. It may also be prescribed for other conditions as directed by a doctor, as noted by Drugs . Vicks NyQuil is a combination of several compounds including cough suppressant, antihistamine, analgesic and decongestant. A person who is allergic to any of these ingredients is advised not to use Vicks NyQuil liquid. Asthma patients should also consult a doctor before using this medication.

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