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
Do not drink coffee when taking Sudafed (pseudoephedrine) or Allegra (fexofenadine).12
8.
—
Sohaib Imtiaz, Verywell Health, 31 Mar. 2025
They’re also often added to oral antihistamines in a combination pill, such as loratadine / pseudoephedrine (Claritin-D).
—Laura Baisas, Popular Science, 10 Apr. 2025
The tablet contained a combination of the decongestant pseudoephedrine and an antihistamine.
—Kiona N. Smith, Forbes, 12 Mar. 2025
Certain people should avoid taking phenylephrine, pseudoephedrine, or both.
—Alex Yampolsky, Verywell Health, 3 Mar. 2025
See All Example Sentences for pseudoephedrine
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Sohaib Imtiaz, Verywell Health, 31 Mar. 2025
They’re also often added to oral antihistamines in a combination pill, such as loratadine / pseudoephedrine (Claritin-D).
—Laura Baisas, Popular Science, 10 Apr. 2025
The tablet contained a combination of the decongestant pseudoephedrine and an antihistamine.
—Kiona N. Smith, Forbes, 12 Mar. 2025
Certain people should avoid taking phenylephrine, pseudoephedrine, or both.
—Alex Yampolsky, Verywell Health, 3 Mar. 2025
See All Example Sentences for pseudoephedrine
Cite this Entry
“Pseudoephedrine.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/pseudoephedrine. Accessed 20 May. 2025.
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