pseudoephedrine

noun
pseu·​do·​ephed·​rine | \ ˌsü-dō-i-ˈfed-rən How to pronounce pseudoephedrine (audio) , 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

Recent Examples on the Web Like many other states, Mississippi mandated a prescription years ago because drug enforcement agents said medications with ephedrine or pseudoephedrine were being used as an ingredient in crystal methamphetamine. Arkansas Online, 1 Jan. 2022 Like many other states, Mississippi mandated a prescription years ago because drug enforcement agents said medications with ephedrine or pseudoephedrine were being used as an ingredient in crystal methamphetamine. Arkansas Online, 1 Jan. 2022 Like many other states, Mississippi mandated a prescription years ago because drug enforcement agents said medications with ephedrine or pseudoephedrine were being used as an ingredient in crystal methamphetamine. Wilson Ring, chicagotribune.com, 31 Dec. 2021 The Eustachian tube can be blocked by allergies or a cold, and pseudoephedrine or another decongestant is an effective treatment. Dr. Keith Roach, oregonlive, 21 July 2021 Purchasers would be limited to nine grams of pseudoephedrine in a 30-day period, regardless of in which state the transaction takes place. Chris Lehman, oregonlive, 27 Apr. 2021 But seizures of ephedrine, pseudoephedrine and phenyl-2-propanone (P2P) -- the most common chemicals used to make meth -- basically dried up. Joshua Berlinger, CNN, 3 May 2021 In 2005, Oregon became the first state to require a prescription to purchase products containing pseudoephedrine. Chris Lehman, oregonlive, 27 Apr. 2021 For allergies, there’s Allegra, Benadryl, and Claritin, plus epinephrine pens and pseudoephedrine, a decongestant. Troy Farah, Ars Technica, 8 June 2020

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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Time Traveler for pseudoephedrine

Time Traveler

The first known use of pseudoephedrine was in 1889

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Dictionary Entries Near pseudoephedrine

pseudodoxy

pseudoephedrine

pseudo-event

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Statistics for pseudoephedrine

Last Updated

17 Jan 2022

Cite this Entry

“Pseudoephedrine.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/pseudoephedrine. Accessed 22 Jan. 2022.

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More Definitions for pseudoephedrine

pseudoephedrine

noun
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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