intranasal

American  

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

adjective

1. occurring within or administered through the nose.

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Other Word Forms

• intranasally adverb

Etymology

Origin of intranasal

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

Example Sentences

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

By triggering an immune response directly at the point of entry, the intranasal vaccine candidate enhanced long-term immune memory of the virus, which could translate to a reduced need for booster shots.

From Science Daily • Jan. 10, 2024

The intranasal version of naloxone came about as a result of innovation by paramedics.

From Slate • Apr. 13, 2023

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