Deviated Septum and Septoplasty: Symptoms and Surgery

What the Septum Is

The septum is the wall dividing your nose into two passages. Its front portion is cartilage; further back it becomes bone. It is covered on both sides by mucosa — the lining that warms and humidifies air.

A deviation can be a simple C-shaped bend, an S-shaped curve, or a bony spur projecting into one passage. Some are congenital; many follow an injury, often one nobody remembers. A childhood knock is a common cause of an adult’s blocked nose.

Deviated Septum Symptoms

• Persistent blockage of the same nostril — the single most reliable sign
• Congestion that does not respond to steroid sprays or allergy treatment
• Mouth breathing at night, snoring, waking with a dry mouth or sore throat
• Poor sleep and daytime tiredness without an obvious cause
• Recurrent sinus infections or persistent post-nasal drip
• Nosebleeds from the same side — air accelerates over the deviation and dries the mucosa
• Facial pressure or headache on the obstructed side in some people
• Breathlessness on exertion that feels out of proportion to fitness

One thing that is not a symptom: alternating blockage. The nasal cycle naturally swaps congestion between sides every few hours, which is why one side often feels blocked at night. A deviated septum obstructs the same side, consistently.

How It Is Diagnosed

By examination, not by photograph. A nasal endoscope — a thin camera passed painlessly into the nose after a numbing spray — shows the septum, the turbinates and the valves directly. That matters because a deviation is frequently not the only cause of obstruction:

• Turbinate enlargement on the wider side, grown to compensate for the deviation. Extremely common alongside, and a major reason septoplasty alone sometimes disappoints.
• Nasal valve narrowing — a structural narrowing that straightening the septum does not address
• Allergic rhinitis, which surgery does not treat
• Nasal polyps, a different condition entirely

CT imaging is used where sinus disease is suspected, not routinely.

Try Medical Treatment First

A structural deviation will not resolve with medication — but a great deal of what people attribute to their septum is swelling on top of it, and that does respond:

• Steroid nasal sprays, used correctly for several weeks. These are not the same as decongestant sprays and do not cause dependence.
• Saline irrigation, unglamorous and genuinely effective
• Allergy treatment where relevant
• Stopping decongestant sprays. Used beyond a few days these cause rebound congestion that is often mistaken for a structural problem. This one is worth checking before anyone books an operation.

Surgery is for obstruction that persists after honest medical treatment.

What Septoplasty Involves

Usually 30–60 minutes under general anaesthesia, often as a day case. Through an incision inside the nose, the mucosa is lifted from both sides of the septum, the deviated cartilage and bone are straightened, repositioned or removed, and the lining is laid back down.

The critical principle: an L-shaped strut along the top and front of the septum is always preserved. That strut is the support the bridge and tip stand on. Over-harvesting it is how a nose collapses into a saddle shape years later — and it is a mistake made in the operating theatre, not something that develops on its own.

Thin silicone splints with an airway channel are usually placed either side for about a week. They are not the packed gauze of decades past; you can breathe through them and removal takes seconds.

Septoplasty Recovery, Week by Week

Most people take about a week off work. Avoid heavy lifting, straining and nose-blowing for the first two weeks, and use saline generously throughout.

What Septoplasty Will Not Do

Worth stating clearly, because unmet expectations here are common:

• It will not change how your nose looks. Septoplasty is internal. If your nose is visibly crooked, straightening the septum alone rarely straightens the outside — that needs septorhinoplasty.
• It will not cure allergy. If allergic rhinitis drives your congestion, surgery fixes the mechanical part only.
• It will not always produce a perfectly straight septum. Severely deviated or previously operated septa improve substantially without becoming geometrically perfect.
• It will not fix valve collapse on its own. If your nostril draws inward when you inhale hard, that needs structural support added.

Risks Worth Knowing

• Bleeding — usually minor, mainly in the first days
• Septal perforation — a hole through the septum, uncommon, causing whistling, crusting and bleeding
• Saddle nose deformity — collapse of the bridge from over-resection. Rare, avoidable, and the reason the L-strut is non-negotiable.
• Persistent obstruction where another cause was missed — usually turbinates, valves or untreated allergy
• Temporary numbness of the upper front teeth, which resolves
• Empty nose syndrome — not from septoplasty itself but from over-aggressive turbinate reduction done alongside. Under 1% of turbinate procedures, and the reason conservative reduction matters.

Septoplasty, Turbinate Reduction or Septorhinoplasty?

In practice these are often combined, because obstruction usually has more than one cause.

Insurance and Availability

Because septoplasty is functional rather than cosmetic, it sits differently with insurers and public systems. The NHS states that nose reshaping “is not usually available on the NHS for cosmetic reasons, but may be provided on the NHS if it’s needed to help you breathe.” In practice that means documented indication and, frequently, a waiting list. Any aesthetic component is not covered anywhere. Confirm your own position with your insurer rather than assuming.

Frequently Asked Questions