ENT• Updated 21 October 2026
Nasal Endoscopy
A thin camera passed into the nose to look at the nasal passages and sinus openings.
Results: Immediately
Quick Summary
Primary Purpose
To investigate blocked nose, sinusitis, polyps and nosebleeds.
What It Measures
Inside of the nose and sinus openings.
Preparation
No preparation; a numbing spray is used.
Overview
It's done in the clinic.
Polyps and a deviated septum can be seen.
What It Measures
Nasal passages
Swelling, polyps, pus.
How It's Performed
- 01
Spray
Numbing and decongestant spray.
- 02
Camera
Gently passed into the nose.
- 03
Done
A few minutes.
Sources and further reading
Last updated 21 October 2026. For more detail, see these trusted health organisations.
- Endoscopy(opens in a new tab) · MedlinePlus, US National Library of Medicine
- Endoscopy(opens in a new tab) · NHS