Nasendoscopy (nasal endoscopy): What Is It and Why Do You Need One?
If you’ve been referred to an ENT specialist with symptoms such as a blocked nose, sinus problems, throat discomfort, or voice change, you may be advised to have a nasendoscopy.
At Hampshire ENT Clinics, nasendoscopy is one of the most useful and commonly performed tests. It allows us to diagnose problems quickly, accurately, and comfortably — often during your first appointment.
👃 What Is Nasendoscopy?
Nasendoscopy is a simple procedure where a thin, flexible camera (endoscope) is gently passed through the nose to examine:
The nasal passages
The back of the nose (nasopharynx)
The throat (pharynx)
The voice box (larynx)
It provides a real-time, detailed view of areas that cannot be seen with standard examination.
🔍 Why Is Nasendoscopy Needed?
Nasendoscopy helps identify the cause of a wide range of ENT symptoms, including:
Nasal Symptoms
Blocked nose
Sinus problems
Nasal polyps
Post-nasal drip
Throat and Voice Symptoms
Hoarseness or voice change
Chronic cough
Difficulty swallowing
Throat discomfort or globus sensation
Other Concerns
Snoring or sleep apnoea
Unexplained ear symptoms (via referred pathways)
Assessment of neck lumps
🩺 What Happens During the Procedure?
Nasendoscopy is quick, safe, and usually takes only a few minutes.
During the procedure:
A local anaesthetic spray may be used (however it is often uneccessary as the spray itself is not very pleasant)
The flexible camera is gently passed into the nose
The ENT consultant examines the nasal passages, throat, and voice box
You may be asked to breathe, speak, or swallow to assess function
😌 Does It Hurt?
Most patients find nasendoscopy slightly uncomfortable but not painful.
You may feel:
A mild tickling or pressure sensation
The urge to sneeze or cough briefly
The procedure is very well tolerated, even by children in many cases.
⏱️ How Long Does It Take?
The procedure itself takes 1–2 minutes
The entire appointment, including explanation and discussion, usually takes 5-10 minutes
🧠 What Can Nasendoscopy Diagnose?
Nasendoscopy is extremely valuable in diagnosing:
Nasal polyps
Chronic rhinosinusitis
Deviated septum
Laryngopharyngeal reflux (LPR)
Vocal cord nodules, polyps, or weakness
Throat or voice box inflammation
Tumours (rare, but important to exclude)
It allows immediate, accurate diagnosis in most cases.
🌟 Why Is Nasendoscopy So Important?
Without nasendoscopy, many ENT conditions can only be guessed at.
With it, we can:
See the problem directly
Make a clear diagnosis immediately
Start the right treatment straight away
Avoid unnecessary delays or incorrect treatment
📍 Nasendoscopy at Hampshire ENT Clinics
Nasendoscopy is available as part of your consultation at:
Medicana Winchester
Queen Alexandra Hospital (Harbour Suite), Portsmouth
New Hall Hospital, Salisbury
Spire Hospital, Portsmouth
At Medicana, the cost of nasendoscopy is included within the hospital facility fee (£50), providing excellent value and immediate diagnostic clarity.
📞 Book an Appointment
If you have symptoms such as persistent nasal blockage, throat discomfort, hoarseness, or chronic cough, a nasendoscopy can provide fast answers.
👉 Contact Hampshire ENT Clinics today to arrange a consultation and get a clear diagnosis.
Nasendoscopy – Frequently Asked Questions
Do I really need a nasendoscopy, or can the doctor tell without it?
In many cases, a diagnosis cannot be made accurately without nasendoscopy.
ENT symptoms often come from areas that are not visible on routine examination, particularly:
The back of the nose
The voice box
The upper throat
Nasendoscopy allows a direct, real-time diagnosis, rather than relying on assumptions.
Is nasendoscopy necessary at the first appointment?
Often, yes.
Performing nasendoscopy at the first visit allows:
Immediate diagnosis
Faster treatment decisions
Avoidance of unnecessary follow-up appointments
For many patients, it shortens the overall pathway significantly.
How uncomfortable is nasendoscopy really?
Most patients describe it as:
“Strange” rather than painful
Mildly uncomfortable for a few seconds
Easier than expected
If needed, a local anaesthetic spray can make the procedure even more comfortable.
Can I refuse or delay the procedure?
Yes — it is always your choice.
However, without nasendoscopy:
Diagnosis may be delayed
Treatment may be less precise
Further appointments may be needed
Your clinician will explain why it is recommended in your specific case.
Is nasendoscopy safe?
Yes. Nasendoscopy is a very safe and routine procedure.
Complications are extremely rare, but may include:
Mild nasal irritation
Very occasional minor nosebleed
It is performed thousands of times daily in ENT practice.
Can children have nasendoscopy?
Yes — in many cases.
Children often tolerate nasendoscopy surprisingly well, particularly when:
The procedure is explained clearly
A gentle approach is used
It is performed by an experienced clinician
In younger children, it is only performed when necessary.
Will it make me gag or choke?
You may briefly feel:
A tickle at the back of the throat
A mild urge to swallow or cough
However, the camera sits above the airway and does not block breathing, so choking is not a concern.
Can I eat and drink normally afterwards?
Yes. You can return to normal activities immediately.
If local anaesthetic spray is used, you may be advised to wait 20–30 minutes before eating or drinking until sensation returns.
What’s the difference between nasendoscopy and a scan?
They provide different types of information:
Nasendoscopy → real-time view of anatomy and function
CT scan → detailed imaging of deeper structures (e.g. sinuses)
In many cases, nasendoscopy is the first and most important test, with scans used only if needed.
Will I see the images during the procedure?
Often, yes.
Many clinics allow you to:
View the camera images on screen
Understand exactly what is causing your symptoms
This helps explain the diagnosis clearly and improves shared decision-making.
Can nasendoscopy detect serious problems?
Yes — and this is one of its key benefits.
It allows early identification (or reassurance) regarding:
Vocal cord problems
Structural abnormalities
Inflammation
Rare but important conditions such as tumours
Why is nasendoscopy better than “trying treatment first”?
Treating without a diagnosis can lead to:
Incorrect medication
Delayed improvement
Prolonged symptoms
Nasendoscopy allows targeted treatment from the outset, which is more effective and efficient.
Is nasendoscopy always needed for sinus problems?
In most cases, yes.
It helps:
Confirm inflammation or polyps
Identify blockage points
Guide whether further imaging (CT) is needed
What is the biggest advantage of nasendoscopy?
It turns uncertainty into clarity.
Instead of guessing, your specialist can:
See the problem directly
Explain it clearly
Start the right treatment immediately

