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intranasal

American  
[in-truh-ney-zuhl] / ˌɪn trəˈneɪ zəl /

adjective

  1. occurring within or administered through the nose.


Other Word Forms

Etymology

Origin of intranasal

First recorded in 1885–90; intra- + nasal 1

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

When tested in hamsters and mice, the intranasal vaccine triggered strong immune responses and prevented infection after exposure to H5N1.

From Science Daily Feb. 4, 2026

The scientists are testing the vaccine as a regular shot and as an intranasal spray with the idea of stopping the virus in the respiratory tract before it causes a broad infection.

From Salon May 6, 2025

She’s working on developing an intranasal RSV vaccine for babies, which is currently in Phase I trial, and will also target human parainfluenza virus infection in children.

From Slate Nov. 9, 2022

Over-the-counter intranasal steroids like fluticasone and triamcinolone can help alleviate sniffling and congestion; eyedrops can wash away irritants and treat symptoms like itchy, red, watery eyes.

From Seattle Times Oct. 17, 2022

There are more than a dozen clinical trials of intranasal vaccines already in progress in the US and globally.

From The Verge Jun. 23, 2022

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