de·con·ges·tant | \ˌdē-kən-ˈjes-tənt \

Definition of decongestant 

: an agent that relieves congestion (as of mucous membranes)

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Other Words from decongestant

decongestant adjective

Examples of decongestant in a Sentence

Recent Examples on the Web

Drugs including some antidepressants, antihistamines, and decongestants can reduce your tear output, according to the American Optometric Association. Korin Miller, SELF, "How Can I Tell If I Have Chronic Dry Eye?," 21 June 2018 Other tropical plants are used in everything from chemotherapy to decongestants. Erin Blakemore, Washington Post, "Tropical plants help heal, in chemotherapy, decongestants and more," 17 Feb. 2018 Some states required a prescription for pseudoephedrine, the nasal decongestant used to make it. Washington Post, "The Health 202: Planned Parenthood goes on the offense," 14 Feb. 2018 Eucalyptus, a natural decongestant, breaks down mucus and helps open air passageways. Allison Young, Good Housekeeping, "4 Genius Ways Essential Oils Can Ease Congestion And Cough Better Than Over-The-Counter Meds," 20 Oct. 2017 Antihistamines or decongestants can relieve the pressure and pain. Jill U. Adams, Washington Post, "Here’s when you should see a doctor about headaches," 6 Mar. 2018 People with high blood pressure should be aware that decongestants can raise their numbers and antihistamines can cause more difficulty for those with prostate problems, Cohn said. Mari A. Schaefer,, "Sneezing your head off? Blame the extreme weather this spring," 4 May 2018 The acquisition of Merck’s products, which include Febimion women supplements, Seven Seas cod liver oil, and Nasivin nasal decongestant, will replace P&G’s joint venture with Teva Pharmaceuticals Industries, which was formed in 2011. Natasha Bach, Fortune, "Why Procter & Gamble Is Buying Merck KGaA's Consumer Health Unit in a Whopper of a Deal," 19 Apr. 2018 Some are also combined with a decongestant, such as pseudoephedrine, to relieve nasal and sinus congestion. Elizabeth Landau, CNN, "Sad in the spring? Allergy-mood link is real," 23 Mar. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'decongestant.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of decongestant

1947, in the meaning defined above

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Time Traveler for decongestant

The first known use of decongestant was in 1947

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More Definitions for decongestant



English Language Learners Definition of decongestant

: a medicine that helps stop thick fluid from building up in your nose, throat, or chest when you have a cold or similar illness


de·con·ges·tant | \ˌdē-kən-ˈjes-tənt \

Medical Definition of decongestant 

(Entry 1 of 2)

: an agent that relieves congestion (as of mucous membranes)



Medical Definition of decongestant (Entry 2 of 2)

: relieving or tending to relieve congestion nasal decongestant action

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