About A deviated septum happens when the thin wall that divides your nostrils leans to one side, leading to uneven airflow in the nasal passages. Although it may appear to be a minor structural ...

A deviated septum is when the bone and cartilage that separate the nasal cavity — known as the nasal septum — are deviated (off-center). This septal tissue is the reason people have two nostrils.

If, however, the septum is deviated too far to one side or the other, it can obstruct the movement of air through the nasal passages and prevent the draining of mucous from the sinuses and nose.

While a deviated septum is usually a stable structural condition, its symptoms can worsen over time due to aging-related changes, recurring nasal injuries, or chronic inflammation from allergies ...