noun
- A decongestant drug used to relieve nasal congestion caused by colds, allergies, or sinus infections.
Usage: pharmaceutical/medical; commonly found in over-the-counter cold and allergy medications
Examples
- She took pseudoephedrine to clear her stuffy nose during the cold.
- Pseudoephedrine is an active ingredient in many popular decongestant products.
- The doctor recommended pseudoephedrine for his sinus congestion.
- Many cold medicines contain pseudoephedrine as their main decongestant component.
- Pseudoephedrine can cause side effects like increased heart rate in some people.