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Why is One Nostril Bigger?

Published in Nasal Anatomy 2 mins read

The common reason for one nostril appearing larger than the other is due to an uneven nasal septum.

What is a Nasal Septum?

The nasal septum is the wall of cartilage and bone that divides the nasal cavity into two nostrils. Ideally, this wall would be perfectly straight, resulting in equal-sized nostrils. However, this is rarely the case.

Uneven Septum Explained

  • Common Occurrence: An uneven or crooked septum is incredibly common. In fact, most people have some degree of unevenness.
  • Size Difference: This unevenness causes one nostril to be naturally wider, and thus appear bigger, than the other.
  • Deviated Septum: When the unevenness is severe, it’s called a deviated septum.

Health Implications of a Deviated Septum

While a slightly uneven septum is normal, a severe deviation can lead to health complications. According to the reference:

Many people have an uneven septum, which makes one nostril larger than the other. Severe unevenness is known as a deviated septum. It can cause health complications such as a blocked nostril or difficulty breathing. An uneven septum is very common.

Here's a breakdown of what this means:

  • Blocked Nostril: The deviated septum can obstruct one nostril, making it difficult to breathe through that side.
  • Breathing Difficulty: This blockage can lead to overall difficulty breathing, especially during physical activity or when dealing with congestion.

Summarized in a Table

Feature Description
Nasal Septum The wall dividing the nasal cavity into two nostrils.
Uneven Septum A common condition where the septum is not straight, causing nostrils to appear different sizes.
Deviated Septum A severe form of uneven septum that can cause breathing problems.
Health Issues Blocked nostrils, difficulty breathing.

Conclusion

In summary, the primary reason one nostril appears bigger than the other is because of an uneven nasal septum. This is a common condition and may only become a problem if the septum deviation is severe.

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