What Happens When the Nasal Septum is Misaligned? When the nasal septum is not properly aligned, it can interfere with normal airflow, resulting in complications like obstructed airflow that may ...

A deviated septum, or nasal septum deviation (NSD), is when the septum (the thin wall separating the two nasal passageways in the nose) is off-center. A deviated septum curves to one side ...