pseudoephedrine
noun
pseu·do·ephed·rine
ˌsü-dō-i-ˈfed-rən 
British also -ˈe-fə-drən
: an isomer of ephedrine used in the form of its hydrochloride or sulfate especially to relieve nasal congestion
Examples of pseudoephedrine in a Sentence
Recent Examples on the Web
Meth cooks’ ingredient of choice was one of the most common decongestants on the market at the time, pseudoephedrine, which could be found at any drugstore.
—
Christina Jewett, New York Times, 18 Sep. 2023
Although pseudoephedrine remains available without a prescription and is effective, the need to ask the pharmacist for it has deterred some customers.
—Maggie Scales, BostonGlobe.com, 15 Sep. 2023
Amirshahi noted that pseudoephedrine comes with side effects, including dizziness, nervousness and trouble sleeping.
—Berkeley Lovelace Jr., NBC News, 14 Sep. 2023
As a result, buying pseudoephedrine products can be a clunky, time-consuming process.
—Roni Caryn Rabin, New York Times, 13 Sep. 2023
In comparison, 50 million packages of pseudoephedrine were sold that year, producing $542 million in sales.
—Margaret Osborne, Smithsonian Magazine, 13 Sep. 2023
And medications that are considered effective for sinus and nasal congestion do still include nasal sprays with phenylephrine, including Afrin, or oral pseudoephedrine, such as Sudafed, or nasal steroids, such as Flonase.
—Christina Jewett, BostonGlobe.com, 12 Sep. 2023
Drugmakers also market a separate class of nasal decongestants containing pseudoephedrine (PSE).
—Megan Cerullo, CBS News, 12 Sep. 2023
Phenylephrine has increasingly been used as a substitute for pseudoephedrine in many non-prescription cold remedies.
—Cailley Lapara, Fortune, 12 Sep. 2023
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Christina Jewett, New York Times, 18 Sep. 2023
Although pseudoephedrine remains available without a prescription and is effective, the need to ask the pharmacist for it has deterred some customers.
—Maggie Scales, BostonGlobe.com, 15 Sep. 2023
Amirshahi noted that pseudoephedrine comes with side effects, including dizziness, nervousness and trouble sleeping.
—Berkeley Lovelace Jr., NBC News, 14 Sep. 2023
As a result, buying pseudoephedrine products can be a clunky, time-consuming process.
—Roni Caryn Rabin, New York Times, 13 Sep. 2023
In comparison, 50 million packages of pseudoephedrine were sold that year, producing $542 million in sales.
—Margaret Osborne, Smithsonian Magazine, 13 Sep. 2023
And medications that are considered effective for sinus and nasal congestion do still include nasal sprays with phenylephrine, including Afrin, or oral pseudoephedrine, such as Sudafed, or nasal steroids, such as Flonase.
—Christina Jewett, BostonGlobe.com, 12 Sep. 2023
Drugmakers also market a separate class of nasal decongestants containing pseudoephedrine (PSE).
—Megan Cerullo, CBS News, 12 Sep. 2023
Phenylephrine has increasingly been used as a substitute for pseudoephedrine in many non-prescription cold remedies.
—Cailley Lapara, Fortune, 12 Sep. 2023
See More
These examples are programmatically compiled from various online sources to illustrate current usage of the word 'pseudoephedrine.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
Word History
First Known Use
1889, in the meaning defined above
Dictionary Entries Near pseudoephedrine
Cite this Entry
“Pseudoephedrine.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/pseudoephedrine. Accessed 25 Sep. 2023.
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Medical Definition
pseudoephedrine
noun
pseu·do·ephed·rine
-i-ˈfed-rən, British also -ˈef-ə-drən
: 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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