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Pseudoephedrine - Meaning, Definition & English Examples

Pseudoephedrine is a decongestant medication used to relieve nasal congestion caused by colds or allergies. It works by shrinking swollen blood vessels in the nasal passages.

pseudoephedrine

/ˌsuːdoʊɪˈfɛdrɪn/ /ˌsjuːdəʊˈɛfɪdriːn/

Definition:

A decongestant drug used to relieve nasal congestion and sinus pressure.

Synonyms:

Sudafed, decongestant, nasal relief

Part of Speech:

noun

Antonyms:

antihistamine, sedative

Common Collocations:

cold medicine, sinus relief, nasal decongestant

Derivatives:

pseudoephedrine hydrochloride, pseudoephedrine sulfate

Usage Tips:

Use pseudoephedrine as directed to avoid side effects like increased heart rate or insomnia.

Common Phrases:

over-the-counter decongestant, nasal congestion relief, sinus pressure remedy

Etymology:

Derived from Greek "pseudo-" (false) and "ephedrine," reflecting its chemical similarity to ephedrine.

Examples:

  • 1. Pseudoephedrine helps clear stuffy noses during colds.
  • 2. Doctors often recommend pseudoephedrine for sinus congestion.
  • 3. Avoid taking pseudoephedrine late at night—it may cause insomnia.
  • 4. Some cold medicines contain pseudoephedrine as an active ingredient.

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