pseu·do·ephed·rine | \ˌsü-dō-i-ˈfed-rən, British also -ˈe-fə-drən\

Definition of pseudoephedrine 

: an isomer of ephedrine used in the form of its hydrochloride or sulfate especially to relieve nasal congestion

Examples of pseudoephedrine in a Sentence

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Graeff, 43, is accused in Clark County of manufacturing meth and possession of pseudoephedrine with the intent to manufacture meth. Everton Bailey Jr.,, "Attorney accused of shooting other lawyer's office suspected of having home meth lab," 26 Mar. 2018 For instance, medications containing pseudoephedrine can decrease milk supply, and your doctor may discourage hormonal birth control methods while breastfeeding, according to the Mayo Clinic. Taylyn Washington-harmon, SELF, "Tia Mowry Says These Foods Help Keep Up Her Milk Supply," 22 June 2018 The toxicology tests detected amounts of pseudoephedrine (Sudafed) and zolpidem (a sedative most commonly used in Ambien). Nick Powell, Houston Chronicle, "Texas City Commissioner Dee Ann Haney indicted for car crash that killed 2 people," 3 May 2018 In response, Congress passed the Combat Methampetamine Epidemic Act of 2005 to regulate and limit the sale of cold and allergy medicines that contain pseudoephedrine, ephedrine or phenylpropanolamine, traditionally used to make meth. Beth Warren, The Courier-Journal, "Meth, deadlier than ever, could be the 'next phase of drug epidemic'," 3 May 2018 In 2005 Congress passed the Combat Methamphetamine Act, which put pseudoephedrine behind the counter, limited sales to 7.5 grams per customer in a 30-day period and required pharmacies to track sales. Frances Robles, New York Times, "Meth, the Forgotten Killer, Is Back. And It’s Everywhere.," 13 Feb. 2018 Police also discovered boxes of pseudoephedrine, which can be used to create meth, in an upstairs closet, two guns and ammunition in another closet and glass cookware and heating plates in the basement. Everton Bailey Jr.,, "Attorney accused of shooting other lawyer's office suspected of having home meth lab," 26 Mar. 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 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

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'pseudoephedrine.' 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 pseudoephedrine

1889, in the meaning defined above

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The first known use of pseudoephedrine was in 1889

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pseu·do·ephed·rine | \-i-ˈfed-rən, British also -ˈef-ə-drən\

Medical Definition of pseudoephedrine 

: a crystalline alkaloid C10H15NO that is isomeric with ephedrine and is administered chiefly in the form of its hydrochloride C10H15NO·HCl or sulfate (C10H15NO)2·H2SO4 especially to relieve nasal congestion

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