decongestant
dee-kun-JES-tunt
/ˌdiːkənˈdʒestənt/
A medication or substance used to relieve nasal congestion and swelling in air passages.
Specifically targets blood vessel constriction in mucus membranes to open up blocked airways.
The story behind the word. Built by attaching the reversal prefix 'de-' (away from) to 'congestion'. It literally means an agent that removes or scatters built-up material.
Word relationships
- antihistamine: 'Antihistamine' works against histamine allergies, though often combined with decongestants.
Commonly confused with
- expectorant: A decongestant reduces vessel swelling to open airways, while an expectorant thins mucus so it can be coughed up.
Word family
- decongest (verb): To relieve congestion in body passages.
Collocations
- nasal decongestant
- oral decongestant
- take a decongestant
- effective decongestant
Example sentences
- "The pharmacist recommended an oral decongestant to clear her blocked sinuses." Pharmacy consultation
Memory hook
DE-CONGEST-ant DE-tects and destroys CONGESTION. Un-heaps nasal clogs.
When not to use
Do not confuse with antihistamines, which stop allergic reactions rather than reducing vessel swelling directly.
Fun facts
- Pseudoephedrine, a common OTC decongestant, works by mimicking adrenaline to shrink swollen nasal tissues.
Related words
Explore more words
Deodorant, congestion, purifier, compress, astringent, antidote
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